Diarrhea: Difference between revisions

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{{Infobox_Disease |
__NOTOC__
  Name          = {{PAGENAME}} |
{| class="infobox" style="float:right;"
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  Caption        = |
| [[File:Siren.gif|30px|link=Diarrhea resident survival guide]]|| <br> || <br>
  DiseasesDB    = 3742 |
| [[Diarrhea resident survival guide|'''Resident'''<br>'''Survival'''<br>'''Guide''']]
  ICD10          = {{ICD10|A|09||a|00}}, {{ICD10|K|59|1|k|55}} |
|}
  ICD9          = {{ICD9|787.91}} |
{{Diarrhea}}
  ICDO          = |
{{CMG}} ; {{AE}} {{USAMA}}, {{SSH}}, {{SMP}}, {{CZ}}, {{MUT}}
  OMIM          = |
 
  MedlinePlus    = |
{{SK}} Loose stools
  eMedicineSubj  = ped |
 
  eMedicineTopic = 583 |
==Overview==
  MeshID        = D003967 |
Diarrhea is defined as the passage of unformed or abnormally liquid stools at an increased [[frequency]]. Diarrhea can be classified as acute or chronic. [[Acute Diarrhea|Acute diarrhea]] has a duration of less than 2 weeks and may be classified on the basis of etiology and presentation. On the basis of etiology, acute diarrhea may be classified into [[infectious]] and non-infectious subtypes. Subacute diarrhea is defined as a diarrhea lasting for two to four weeks. Although [[chronic diarrhea]] has multiple definitions, a current working definition is the production of loose stools for longer than 4 weeks. Frequent defecation with normal consistency is termed psuedo-diarrhea. There are 3 basic categories of chronic diarrhea: watery, fatty (malabsorption), and inflammatory (with blood and pus). The diagnosis is based on duration of symptoms, signs, microscopic [[stool examination]] and culture, stool osmolarity, and in some rare instances [[colonoscopy]]. The treatment is mainly based on severity of symptoms, etiology and availability of medications. Prevention is based on proper maintaining the filtration systems at water plants, hand wash, and effectively use of alcohol-based hand sanitizers. [[Vaccination]] for some viruses, such as Rotavirus is a part of preventive measures.
}}
 
{{SI}}
==Classification==
{{CMG}}
Diarrhea can be classified as acute or chronic depending on the duration of onset of symptoms. Acute and chronic diarrhea can be further classified as follows:
 
=== Classification of Acute Diarrhea ===
 
<br>
{| align=center
|-
|
{{Family tree/start}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | A01 | | | |A01= Acute diarrhea}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | |!| | | | | }}
{{Family tree | | | | | | | | | | | |,|-|-|-|-|-|-|-|-|-|^|-|-|-|-|-|-|-|-|-|.| }}
{{Family tree | | | | | | | | | | | C01 | | | | | | | | | | | | | | | | | | C02 | | | |C01=Infectious |C02=Non-Infectious}}
{{Family tree | | | | | | | | | | | |!| | | | | | | | | | | | | | | | | | | |!| | | |}}
{{Family tree | | | |,|-|-|-|v|-|-|-|^|-|-|v|-|-|-|.| | | | | | | |,|-|-|-|-|+|-|-|-|-|.| }}
{{Family tree | | | C01 | | C02 | | | | | C03 | | C04 | | | | | | C05 | | | C06 | | | C07 | | | |C01=[[Bacterial]]|C02=[[Viral]]|C03=[[Fungal]]|C04=[[Protozoa]]|C05=[[Medications]]|C06=[[Poisoning]]|C07=[[Systemic illness]]}}
{{Family tree/end}}
|}
 
=== Classification of Chronic Diarrhea ===
 
<br>
{| align=center
|-
|
{{Family tree/start}}
{{familytree | | | | | | | | | | | | | | A01 | | | | | | | | |A01= Chronic diarrhea}}
{{familytree | | | | | | | | | | | | | | |!| | | | | | | | | |}}
{{familytree | | | | | | | | | |,|-|-|-|-|^|-|-|-|-|.| | | |}}
{{familytree | | | | | | | | | C01 | | | | | | | | C02 | | |C01= Watery |C02=Inflammatory}}
{{family tree| | | | | | | | | |!| | | | | | | | | | | | | |}}
{{family tree| | | | |,|-|-|-|-|^|-|-|-|-|.| | | | }}
{{family tree| | | | C01 | | | | | | | | C02 | | | | | | | |C01= Secretory| C02= Osmotic}}
{{Family tree/end}}
|}
 
==Differential Diagnosis of Diarrhea of other diseases==
'''''To review the differential diagnosis of diarrhea, click [[Diarrhea#Differential Diagnosis of Diarrhea of other diseases|here]].'''''
 
'''''To review the differential diagnosis of acute diarrhea, click [[Acute diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic diarrhea, click [[Chronic diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of traveler's diarrhea, click [[Traveler's diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute watery diarrhea, click [[Acute watery diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute bloody diarrhea, click [[Acute bloody diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute fatty diarrhea, click [[Acute fatty diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic watery diarrhea, click [[Chronic watery diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic bloody diarrhea, click [[Chronic bloody diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic fatty diarrhea, click [[Chronic fatty diarrhea differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute diarrhea and fever, click [[Acute diarrhea and fever differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic diarrhea and fever, click [[Chronic diarrhea and fever differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute diarrhea and abdominal pain, click [[Acute diarrhea and abdominal pain differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic diarrhea and abdominal pain, click [[Chronic diarrhea and abdominal pain differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute diarrhea and weight loss, click [[Acute diarrhea and weight loss differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic diarrhea and weight loss, click [[Chronic diarrhea and weight loss differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of acute diarrhea, fever, and abdominal pain, click [[Acute diarrhea, fever, and abdominal pain differential diagnosis|here]].'''''
 
'''''To review the differential diagnosis of chronic diarrhea, fever, and abdominal pain, click [[Chronic diarrhea, fever, and abdominal pain differential diagnosis|here]].'''''


{{EH}}
'''''To review the differential diagnosis of acute diarrhea, abdominal pain, and weight loss, click [[Acute diarrhea, abdominal pain, and weight loss differential diagnosis|here]].'''''


[[Diarrhea]] (in [[American English]]) or '''diarrhoea''' (in [[British English]]) is a condition in which the sufferer has frequent watery, loose bowel movements.
'''''To review the differential diagnosis of chronic diarrhea, abdominal pain, and weight loss, click [[Chronic diarrhea, abdominal pain, and weight loss differential diagnosis|here]].'''''


Many things can cause [[diarrhea]], which can make diagnosis complex. Acute diarrhea is usually related to a bacterial, viral, or parasitic infection. Chronic diarrhea is usually related to functional disorders such as irritable bowel syndrome or inflammatory bowel disease.
===Diarrhea===
'''The following table outlines the major differential diagnoses of diarrhea.'''<ref name="Casburn-JonesFarthing2004">{{cite journal|last1=Casburn-Jones|first1=Anna C|last2=Farthing|first2=Michael Jg|title=Traveler's diarrhea|journal=Journal of Gastroenterology and Hepatology|volume=19|issue=6|year=2004|pages=610–618|issn=0815-9319|doi=10.1111/j.1440-1746.2003.03287.x}}</ref><ref name="KamatMathur2006">{{cite journal|last1=Kamat|first1=Deepak|last2=Mathur|first2=Ambika|title=Prevention and Management of Travelers’ Diarrhea|journal=Disease-a-Month|volume=52|issue=7|year=2006|pages=289–302|issn=00115029|doi=10.1016/j.disamonth.2006.08.003}}</ref><ref name="PfeifferDuPont2012">{{cite journal|last1=Pfeiffer|first1=Margaret L.|last2=DuPont|first2=Herbert L.|last3=Ochoa|first3=Theresa J.|title=The patient presenting with acute dysentery – A systematic review|journal=Journal of Infection|volume=64|issue=4|year=2012|pages=374–386|issn=01634453|doi=10.1016/j.jinf.2012.01.006}}</ref><ref name="pmid24506120">{{cite journal |vauthors=Barr W, Smith A |title=Acute diarrhea |journal=Am Fam Physician |volume=89 |issue=3 |pages=180–9 |year=2014 |pmid=24506120 |doi= |url=}}</ref><ref name="pmid29255768">{{cite journal |vauthors=Amil Dias J |title=Celiac Disease: What Do We Know in 2017? |journal=GE Port J Gastroenterol |volume=24 |issue=6 |pages=275–278 |year=2017 |pmid=29255768 |doi=10.1159/000479881 |url=}}</ref><ref name="pmid29254859">{{cite journal |vauthors=Kotloff KL, Riddle MS, Platts-Mills JA, Pavlinac P, Zaidi AKM |title=Shigellosis |journal=Lancet |volume= |issue= |pages= |year=2017 |pmid=29254859 |doi=10.1016/S0140-6736(17)33296-8 |url=}}</ref><ref name="Yamamoto-FurushoBosques-Padilla2017">{{cite journal|last1=Yamamoto-Furusho|first1=J.K.|last2=Bosques-Padilla|first2=F.|last3=de-Paula|first3=J.|last4=Galiano|first4=M.T.|last5=Ibañez|first5=P.|last6=Juliao|first6=F.|last7=Kotze|first7=P.G.|last8=Rocha|first8=J.L.|last9=Steinwurz|first9=F.|last10=Veitia|first10=G.|last11=Zaltman|first11=C.|title=Diagnóstico y tratamiento de la enfermedad inflamatoria intestinal: Primer Consenso Latinoamericano de la Pan American Crohn's and Colitis Organisation|journal=Revista de Gastroenterología de México|volume=82|issue=1|year=2017|pages=46–84|issn=03750906|doi=10.1016/j.rgmx.2016.07.003}}</ref><ref name="BorbélyOsterwalder2017">{{cite journal|last1=Borbély|first1=Yves M|last2=Osterwalder|first2=Alice|last3=Kröll|first3=Dino|last4=Nett|first4=Philipp C|last5=Inglin|first5=Roman A|title=Diarrhea after bariatric procedures: Diagnosis and therapy|journal=World Journal of Gastroenterology|volume=23|issue=26|year=2017|pages=4689|issn=1007-9327|doi=10.3748/wjg.v23.i26.4689}}</ref><ref name="CrawfordRamani2017">{{cite journal|last1=Crawford|first1=Sue E.|last2=Ramani|first2=Sasirekha|last3=Tate|first3=Jacqueline E.|last4=Parashar|first4=Umesh D.|last5=Svensson|first5=Lennart|last6=Hagbom|first6=Marie|last7=Franco|first7=Manuel A.|last8=Greenberg|first8=Harry B.|last9=O'Ryan|first9=Miguel|last10=Kang|first10=Gagandeep|last11=Desselberger|first11=Ulrich|last12=Estes|first12=Mary K.|title=Rotavirus infection|journal=Nature Reviews Disease Primers|volume=3|year=2017|pages=17083|issn=2056-676X|doi=10.1038/nrdp.2017.83}}</ref><ref name="pmid11068510">{{cite journal |vauthors=Kist M |title=[Chronic diarrhea: value of microbiology in diagnosis] |language=German |journal=Praxis (Bern 1994) |volume=89 |issue=39 |pages=1559–65 |year=2000 |pmid=11068510 |doi= |url=}}</ref><ref name="pmid4014291">{{cite journal |vauthors=Guerrant RL, Shields DS, Thorson SM, Schorling JB, Gröschel DH |title=Evaluation and diagnosis of acute infectious diarrhea |journal=Am. J. Med. |volume=78 |issue=6B |pages=91–8 |year=1985 |pmid=4014291 |doi= |url=}}</ref><ref name="pmid10575169">{{cite journal |vauthors=López-Vélez R, Turrientes MC, Garrón C, Montilla P, Navajas R, Fenoy S, del Aguila C |title=Microsporidiosis in travelers with diarrhea from the tropics |journal=J Travel Med |volume=6 |issue=4 |pages=223–7 |year=1999 |pmid=10575169 |doi= |url=}}</ref><ref name="WahnschaffeIgnatius2009">{{cite journal|last1=Wahnschaffe|first1=Ulrich|last2=Ignatius|first2=Ralf|last3=Loddenkemper|first3=Christoph|last4=Liesenfeld|first4=Oliver|last5=Muehlen|first5=Marion|last6=Jelinek|first6=Thomas|last7=Burchard|first7=Gerd Dieter|last8=Weinke|first8=Thomas|last9=Harms|first9=Gundel|last10=Stein|first10=Harald|last11=Zeitz|first11=Martin|last12=Ullrich|first12=Reiner|last13=Schneider|first13=Thomas|title=Diagnostic value of endoscopy for the diagnosis of giardiasis and other intestinal diseases in patients with persistent diarrhea from tropical or subtropical areas|journal=Scandinavian Journal of Gastroenterology|volume=42|issue=3|year=2009|pages=391–396|issn=0036-5521|doi=10.1080/00365520600881193}}</ref><ref name="pmid27765536">{{cite journal |vauthors=Mena Bares LM, Carmona Asenjo E, García Sánchez MV, Moreno Ortega E, Maza Muret FR, Guiote Moreno MV, Santos Bueno AM, Iglesias Flores E, Benítez Cantero JM, Vallejo Casas JA |title=75SeHCAT scan in bile acid malabsorption in chronic diarrhoea |journal=Rev Esp Med Nucl Imagen Mol |volume=36 |issue=1 |pages=37–47 |year=2017 |pmid=27765536 |doi=10.1016/j.remn.2016.08.005 |url=}}</ref><ref name="pmid19365159">{{cite journal |vauthors=Gibson RJ, Stringer AM |title=Chemotherapy-induced diarrhoea |journal=Curr Opin Support Palliat Care |volume=3 |issue=1 |pages=31–5 |year=2009 |pmid=19365159 |doi=10.1097/SPC.0b013e32832531bb |url=}}</ref><ref name="pmid23384808">{{cite journal |vauthors=Abraham BP, Sellin JH |title=Drug-induced, factitious, & idiopathic diarrhoea |journal=Best Pract Res Clin Gastroenterol |volume=26 |issue=5 |pages=633–48 |year=2012 |pmid=23384808 |doi=10.1016/j.bpg.2012.11.007 |url=}}</ref><ref name="pmid25692805">{{cite journal |vauthors=Reintam Blaser A, Deane AM, Fruhwald S |title=Diarrhoea in the critically ill |journal=Curr Opin Crit Care |volume=21 |issue=2 |pages=142–53 |year=2015 |pmid=25692805 |doi=10.1097/MCC.0000000000000188 |url=}}</ref><ref name="pmid17373914">{{cite journal |vauthors=McMahan ZH, DuPont HL |title=Review article: the history of acute infectious diarrhoea management--from poorly focused empiricism to fluid therapy and modern pharmacotherapy |journal=Aliment. 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* Bacterial infections. Several types of bacteria consumed through contaminated food or water can cause diarrhea. Common culprits include Campylobacter, Salmonella, Shigella, and Escherichia coli (E. coli).
<span style="font-size:85%">'''Abbreviations:''' '''GI:''' [[Gastrointestinal tract|Gastrointestinal]], '''CBC''': [[Complete blood count]], '''WBC:''' [[White blood cells|White blood cell]], '''RBC''': [[Red blood cell]], '''Plt:''' [[Platelet]], '''Hgb:''' [[Hemoglobin]], '''ESR''': [[Erythrocyte sedimentation rate]], '''CRP''': [[C-reactive protein|C–reactive protein]], '''IgE:''' [[Immunoglobulin E]], '''IgA:''' [[Immunoglobulin A]], '''ETEC:''' [[Escherichia coli enteritis]], '''EPEC''': [[Escherichia coli|Enteropathogenic Escherichia coli]], '''EIEC''': [[Escherichia coli enteritis|Enteroinvasive Escherichia coli]], '''EHEC''': [[Escherichia coli|Enterohemorrhagic Escherichia coli]], '''EAEC''': [[Escherichia coli enteritis|Enteroaggregative Escherichia coli]], '''Nl''': Normal, '''ASCA''': [[Anti saccharomyces cerevisiae antibodies]], '''ANCA''': [[Anti-neutrophil cytoplasmic antibody|Anti–neutrophil cytoplasmic antibody]], '''DNA''': [[DNA|Deoxyribonucleic acid]], '''CFTR''': [[Cystic fibrosis transmembrane conductance regulator]], '''SLC10A2''': [[SLC10A2|Solute carrier family 10 member 2]], '''SeHCAT''': [[SeHCAT|Selenium homocholic acid taurine or tauroselcholic acid]], '''IEL''': Intraepithelial [[Lymphocyte|lymphocytes]], '''MRCP''': [[Magnetic resonance cholangiopancreatography]], '''ANA''': [[Antinuclear antibodies]], '''AMA''': [[Anti-mitochondrial antibody]], '''LDH''': [[Lactate dehydrogenase]], '''CPK''': [[Creatine phosphokinase]], '''PCR''': [[Polymerase chain reaction]], '''ELISA''': [[Enzyme linked immunosorbent assay (ELISA)|Enzyme–linked immunosorbent assay]], '''LT''': Heat–labile [[enterotoxin]], ST: Heat–stable [[enterotoxin]], '''RT-PCR''': Reverse–transcriptase [[polymerase chain reaction]], '''CD4:''' [[CD4|Cluster of differentiation 4]], '''HIV''': [[Human Immunodeficiency Virus (HIV)|Human immunodeficiency virus]], '''RUQ''': [[RUQ|Right-upper quadrant]], '''VIP''': [[Vasoactive intestinal peptide]], '''GI:''' [[Gastrointestinal tract|Gastrointestinal]], '''FAP''': [[Familial adenomatous polyposis]], '''HNPCC''': [[Hereditary nonpolyposis colorectal cancer]], '''MTP''': [[Microsomal triglyceride transfer protein]], '''Scl‑70''': Anti–[[Type I topoisomerase|topoisomerase I]], '''TSH''': [[Thyroid-stimulating hormone]], '''T4''': [[Thyroxine]], '''T3''': [[Triiodothyronine]], '''DTR''': [[Deep tendon reflex]], '''RNA''': [[RNA|Ribonucleic acid]]</span> 
* Viral infections. Many viruses cause diarrhea, including rotavirus, Norwalk virus, cytomegalovirus, herpes simplex virus, and viral hepatitis.
* Food intolerances. Some people are unable to digest food components such as artificial sweeteners and lactose—the sugar found in milk.
* Parasites. Parasites can enter the body through food or water and settle in the digestive system. Parasites that cause diarrhea include Giardia lamblia, Entamoeba histolytica, and Cryptosporidium.
* Reaction to medicines. Antibiotics, blood pressure medications, cancer drugs, and antacids containing magnesium can all cause diarrhea.
* Intestinal diseases. Inflammatory bowel disease, colitis, Crohn’s disease, and celiac disease often lead to diarrhea.
* Functional bowel disorders. Diarrhea can be a symptom of irritable bowel syndrome.


==The Complete List of Causes of Diarrhea==
{| class="wikitable" style="border: 0px; font-size: 100%; margin: 3px;" align="center"
{{refbegin|2}}
! colspan="2" rowspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Categories
* [[Abdominal abscess]]
! colspan="2" rowspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
* [[Abdominal cancer]]
| colspan="9" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestation'''
* [[Achlorhydria]]
! colspan="9" rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Lab findings'''
* [[Acquired angioedema]]
! rowspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
* [[Acquired angioedema, type 1]]
! rowspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
* [[Acquired angioedema, type 2]]
! rowspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
* [[Acrodermatitis enteropathica]]
|-
* [[Acrodynia]]
! colspan="8" style="background:#4479BA; color: #FFFFFF;" align="center" |Symptoms
* [[Acute appendicitis]]
! rowspan="4" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
* [[Acute gastritis]]
|-
* [[Acute kidney failure]]
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
* [[Acute tin poisoning]]
! colspan="3" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
* [[Acute zinc toxicity]]
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
* [[Addison's disease]]
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
* [[Adenophorea Infections]]
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
* [[Adenoviridae Infections]]
|-
* [[Adenovirus infection in immunocompromised patients]]
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
* [[Adenoviruses]]
| colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |'''CBC'''
* [[Adrenal hyperplasia, congenital type 3]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
* [[Adverse reaction]]
|-
* [[AIDS]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
* [[AIDS-Related Complex]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
* [[Alcohol withdrawal]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
* [[Alcohol intoxication]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
* [[Allergic disorders]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
* [[Allergies]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Amebiasis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
! colspan="2" rowspan="15" style="background:#4479BA; color: #FFFFFF;" align="center" |Gastrointestinal
! colspan="2" style="background:#DCDCDC;" align="center" |[[Crohns disease|Crohn's disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Abdominal tenderness]]
* Oral [[mucosal]] lesions
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Anti saccharomyces cerevisiae antibodies]] (ASCA)
* [[Vitamin B12]] deficiency
* Elevated [[erythrocyte sedimentation rate|ESR]]  
* Elevated [[C-reactive protein|CRP]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Uveitis]]
* [[Arthritis]]
* [[Erythema nodosum]]
* [[Pyoderma gangrenosum]]
* [[Amyloidosis]]
* [[Amyloidosis]]
* [[Amyloidosis AL]]
* Venous and arterial [[thromboembolism]]
* [[Anaphylaxis]]
* [[Kidney stone|Renal stones]]
* [[Ancylostoma duodenale]]
* [[Bronchiectasis]]
* [[Anguillulosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Anxiety-tension syndrome]]
* Abnormal immune response to self [[antigens]]
* [[Aromatic amino acid decarboxylase deficiency]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Arsenic poisoning]]
* [[Colonoscopy]] with [[biopsy]]
* [[Ascaris]]
|-
* [[Aspartylglycosaminuria]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Ulcerative colitis]]
* [[Astrovirus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Athabaskan severe combined immunodeficiency]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Attenuated familial polyposis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Autoimmune diseases]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Autoimmune enteropathy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Baber's syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ±
* [[Bacterial digestive infections]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bacterial toxic-shock syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bacterial toxins]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Banti's syndrome]]
* [[Abdominal tenderness]]
* [[Bartter's syndrome, antenatal type 1]]
* [[Blood]] on [[rectal examination]]
* [[Bartters syndrome, antenatal , type 2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Behcet's disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Biliary atresia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Biliary tract cancer]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Biotinidase deficiency]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Blastocystis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Blastocystis hominis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Blind loop syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Boron overuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Botulism food poisoning]]
* [[Anti-neutrophil cytoplasmic antibody|Anti–neutrophil cytoplasmic antibody]] ([[P-ANCA|P–ANCA]])
* [[Bowel conditions]]
* [[Hypoalbuminemia]]
* [[Brainerd diarrhea]]
* [[Hypokalemia]]
* [[Brennemann's syndrome]]
* [[Hypomagnesemia]]
* [[Brown-Symmers disease]]
* Elevated [[Erythrocyte sedimentation rate|ESR]]
* [[Campylobacter]]
* Elevated [[C-reactive protein|CRP]]
* [[Candida]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Carbamate insecticide poisoning]]
* [[Skin rash]]
* [[Carcinoid syndrome]]
* [[Iritis]]
* [[Carnitine overuse]]
* [[Uveitis]]
* [[Celiac disease]]
* Seronegative [[arthritis]]
* [[Cephalothoracic progressive lipodystrophy]]
* [[Clubbing]]
* [[Chemical pneumonia]]
* [[Erythema nodosum]]
* [[Chromosome 16q, partial deletion]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Chronic fatigue syndrome]]
* Abnormal immune response to self [[antigens]]
* [[Chronic granulomatous disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Chronic myeloproliferative disorders]]
* [[Colonoscopy]] with [[biopsy]]
* [[Chronic vitamin A toxicity]]
|-
* [[Ciguatera poisoning]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Celiac disease]]
* [[Classic galactosemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Clostridium perfringens food poisoning]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Clostridium sordellii]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ±
* [[Colchicine toxicity]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Colitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ±
* [[Colonic inertia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Colonic malakoplakia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Colorectal cancer]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Colorectal polyps]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Common migraine]]
* [[Abdominal distention]]
* [[Common variable immunodeficiency]]
* Increased [[bowel]] sounds
* [[Congenital adrenal hyperplasia - sodium-wasting form]]
* Oral [[Mucous membrane|mucosal]] lesions
* [[Congenital disorder of glycosylation type 1B]]
* [[Hepatosplenomegaly]]
* [[Congenital short bowel]]
* [[Ascites]]
* [[Congenital sucrose-isomaltose malabsorption]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Congenital syndromes (chloridorrhea) ]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Congenital toxoplasmosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Copper toxicity]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cornelia de Lange syndrome 2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cree leukoencephalopathy]]
* Fat droplets on [[sudan stain]]
* [[Crohn's disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cronkhite-Canada disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ↓
* [[Cryptosporidium]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cryptosporiosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cutaneous mastocytosis]]
* [[IgA]] endomysial [[antibody]]
* [[Cutaneous photosensitivity colitis, lethal]]
* Anti–tissue [[transglutaminase]] [[antibody]]
* [[Cyclic vomiting syndrome]]
* [[Anti-gliadin antibodies|Anti–gliadin antibody]]
* [[Cyclospora]]
* [[Fat soluble vitamins]] deficiency
* [[Cyclosporine toxicity]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cysticercosis]]
* [[Malabsorption]]
* [[Cytomegalic inclusion body disease]]
* [[Dementia]]
* [[Darvocet withdrawal]]
* [[Dermatitis herpetiformis]]
* [[Deal-Barratt-Dillon syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Degos disease]]
* [[HLA-DQ2|HLA–DQ2]]
* [[Diabetes insipidus]]
* [[HLA-DQ8|HLA–DQ8]]
* [[Diabetic neuropathy]]
* Innate responses to wheat [[Protein|proteins]]
* [[Diarrhea - polyendocrinopathy - infections, X-linked]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Diarrheagenic Escherichia coli]]
* [[IgA]] endomysial [[antibody]]
* [[Dibasic aminoaciduria 2]]
* Anti–tissue [[transglutaminase]] [[antibody]]
* [[Dientamoeba fragilis]]
|-
* [[Diffuse systemic sclerosis]]
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
* [[Digestive diseases]]
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
* [[Digestive duplication]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
* [[Digestive system cancer]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
* [[Dilaudid withdrawal]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
* [[Dipylidium]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
* [[Dipylidium caninum infection]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
* [[Disseminated infection with mycobacterium avium complex]]
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
* [[Dissociative disorder]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
* [[Distomatosis]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
* [[Diverticular disease]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
* [[Dracunculiasis]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
* [[Dressler syndrome]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
* [[Drugs and poisons]]
|-
* [[Ebola]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
* [[Echinococcosis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
* [[EGE]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
* [[Egg Hypersensitivity]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
* [[Ehrlichiosis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
* [[End stage liver failure]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Endometriosis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
* [[Entamoeba histolytica]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
* [[Enteritis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
* [[Entero-Aggregative Escherichia coli]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
* [[Entero-Toxic Escherichia coli]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Enterocele]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
* [[Enterocolitis]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
* [[Enterohemorrhagic Escherichia Coli Infection]]
|-
* [[Enterovirus antenatal infection]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Cystic fibrosis]]
* [[Envenomization by the Martinique lancehead viper]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Eosinophilic enteropathy, pattern II]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Epidemic secretory Brainerd diarrhea]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Erythroderma desquamativa of Leiner]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Escherichia coli ]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Evening Primrose oil ]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Familial amyloid polyneuropathy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Familial polyposis - classical]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Familial polyposis, autosomal recessive]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Familial visceral myopathy]]
*[[Abdominal distension|Abdominal distention]]
* [[Fanconi-ichthyosis-dysmorphism]]
*[[Hepatosplenomegaly]]
* [[Fascioliasis]]
*[[Rectal prolapse]]
* [[Fasciolopsiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Favism]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Fecal impaction]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Fecal incontinence]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Fever]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Filariasis]]
* Fat droplets on [[sudan stain]]
* [[Flavivirus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Fluke infections]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Folic acid toxicity]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Food allergies]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Food intolerances]]
* Positive [[DNA]] analysis for [[CFTR|cystic fibrosis transmembrane conductance regulator]] [[CFTR|(CFTR)]]  
* [[Food poisoning]]
* Nasal transepithelial potential difference
* [[Functioning pancreatic endocrine tumor]]
* [[Fat soluble vitamins]] deficiency
* [[Galactosemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Galactosemia I]]
* [[Malabsorption]]
* [[Galactosemia III]]
* Recurrent [[respiratory tract infection]]
* [[Gardner syndrome]]
* [[Bronchiectasis]]
* [[Gastrinoma]]
* [[Diabetes mellitus]]
* [[Gastritis]]
* [[Scoliosis]]
* [[Gastritis, familial giant hypertrophic]]
* [[Infertility]]
* [[Gastro-enteropancreatic neuroendocrine tumor]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Gastroenteritis]]
* Mutations in the [[cystic fibrosis transmembrane conductance regulator]] ([[CFTR]]) protein
* [[Gastrointestinal amyloidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Gastrointestinal neoplasm]]
* Positive [[genetic testing]]
* [[Giardia lamblia]]
* Elevated [[Sweat chloride test|sweat chloride]] ≥60 mmol/L
* [[Ginseng overuse]]
|-
* [[Glanders]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Chronic pancreatitis]]
* [[Glucosamine - adverse effects]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Glucose-galactose malabsorption]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Glutathione Synthetase Deficiency]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Glénard syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Gnathostoma Infection]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Graft-versus-host disease – acute]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Groin Hernia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hantavirosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hantavirus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Headache-free migraine]]
* [[Tenderness (medicine)|Abdominal tenderness]]
* [[Helminth infections]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Helminthiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hemolytic uremic syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Hemophagocytic lymphohistiocytosis, familial, 1]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Hemophagocytic lymphohistiocytosis, familial, 2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hemophagocytic lymphohistiocytosis, familial, 3]]
* Fat droplets on [[sudan stain]]
* [[Hemophagocytic lymphohistiocytosis, familial, 4]]
* Positive [[fecal elastase]] measurement
* [[Hemorragic fever with renal syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Hepatitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Hepatitis A]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Hepatitis B]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hepatitis C]]
* Slightly elevated [[amylase]] and [[lipase]]
* [[Hepatitis D]]
* Abnormal pancreatic function test
* [[Hepatitis E]]
* [[Secretin]] stimulation test
* [[Hepatitis X]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hepatorenal tyrosinemia]]
* [[Malabsorption]]
* [[Hereditary amyloidosis]]
* [[Diabetes mellitus]]
* [[Hereditary angioedema, type 1]]
* [[Pancreatic pseudocyst]]
* [[Hereditary angioedema, type 2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hereditary angioedema, type 3]]
* [[Toxin|Toxins]]
* [[Hereditary pancreatitis]]
* Recurrent [[acute pancreatitis]]
* [[Heroin dependence]]
* [[Genetics|Genetic]] predesposition
* [[Heroin withdrawal]]
* [[Autoimmunity|Autoimmune]]
* [[Heterophyiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hirschsprung's disease]]
* [[Magnetic resonance cholangiopancreatography]] ([[Magnetic resonance cholangiopancreatography|MRCP]])
* [[HIV/AIDS]]
|-
* [[Hookworm, pinworm]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Bile acid malabsorption]]
* [[Human granulocytic ehrlichiosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Human monocytic ehrlichiosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hydrocodone withdrawal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hymenolepiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hyper IgM syndrome 1]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hyper IgM syndrome 3]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hyper IgM syndrome 4]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hyper-IgD syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Hyper-IgM Syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Hyperimmunoglobinemia D with recurrent fever]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hyperinsulinemic hypoglycemia, familial, 1]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Hyperinsulinemic hypoglycemia, familial, 2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Hyperthyroidism]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Hypoadrenocorticism - hypoparathyroidism – moniliasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Idiopathic hypereosinophilic syndrome]]
*Fat droplets on [[sudan stain]]
* [[Idiopathic intestinal pseudoobstruction]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Idiopathic sclerosing mesenteritis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Immunoglobulinic amyloidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Immunoproliferative diseases]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Inborn amino acid metabolism disorder]]
*Reduced [[cholesterol]] level
* [[Incontinence]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Inflammatory bowel disease]]
*[[Malabsorption]]
* [[Insect parasite conditions]]
*[[Hypotension]]
* [[Insect sting allergies]]
*[[Tachycardia]]
* [[Intestinal Conditions]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Intestinal Flu]]
*Genetic defects in ''[[SLC10A2]]''
* [[Intestinal lymphangiectasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Intestinal pseudoobstruction chronic idiopathic]]
* [[SeHCAT]] test
* [[Intrinsic factor, congenital deficiency]]
|-
* [[Invasive group A Streptococcal disease]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Microscopic colitis]]
* [[Iron poisoning]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Irritable bowel syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ischemic colitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Isospora]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Isosporiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Isosporosiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Juvenile polyposis of infancy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Katayama fever]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Keratosis palmoplantaris - adenocarcinoma of the colon]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Lactose Intolerance]]
* [[Abdominal tenderness]]
* [[Lassa fever]]
* Fecal [[incontinence]]
* [[Laxative abuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Legionnaires' disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Leiner disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Leptospirosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Leukocytoclastic angiitis – systemic]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Levy-Yeboa Syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Lipoid congenital adrenal hyperplasia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Listeriosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Liver diseases]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Lortab withdrawal]]
* [[Hypokalemia]]
* [[Lymphangiectasies and lymphedema Hennekam type]]
* Elevated [[C-reactive protein|CRP]]
* [[Lymphangiectasis]]
* Positive [[autoantibodies]] include:
* [[Lymphomatoid granulomatosis]]
**RF
**[[ANA]]
**[[Anti-mitochondrial antibody|AMA]]
**[[ANCA]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Arthritis]]
* [[Uveitis]]
* [[Idiopathic thrombocytopenic purpura]]
* Pleuro [[pericarditis]]
* [[Hypothyroidism]]
* [[Psoriasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Mucosal]] [[immune responses]] to luminal factors in a genetically predisposed individual
* Drug–induced
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Colonoscopy]] with [[mucosal]] [[biopsy]] with [[mononuclear]] infiltrates:
** [[Collagenous colitis]] is characterized by a colonic subepithelial [[collagen]] band >10 micrometers in diameter
** [[Lymphocytic]] [[colitis]] is characterized by ≥20 intraepithelial [[lymphocytes]] (IEL) per 100 surface epithelial cells
|-
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Infective colitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Rebound [[Tenderness (medicine)|abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
*Positive fecal calprotectin
*Positive fecal [[lactoferrin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Elevated [[C-reactive protein|CRP]]
*Elevated [[Erythrocyte sedimentation rate|ESR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Arthritis]]
* [[Uveitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Salmonella|''Salmonella'']]
*[[Shigella|''Shigella'']]
*[[Campylobacter|''Campylobacter'']]
*''[[Escherichia coli|E. coli 0157:H7]]''
*[[Clostridium difficile|''Clostridium difficile'']]
*[[Entamoeba histolytica|''Entamoeba histolytica'']]
*[[Adenoviridae|''Adenovirus'']]
*[[Cytomegalovirus|''Cytomegalovirus'']]
*[[Herpes simplex virus|''Herpes simplex virus'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
*[[Blood culture]]
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Ischemic colitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Hyperactive then absent [[Stomach rumble|bowel sounds]]
*[[Tenderness (medicine)|Abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Elevated [[C-reactive protein|CRP]]
*Elevated [[Erythrocyte sedimentation rate|ESR]]
*Elevated serum [[Lactic acid|lactate]]
*Elevated [[lactate dehydrogenase]] ([[Lactate dehydrogenase|LDH]]
*Elevated [[Creatine kinase|creatine phosphokinase]] ([[Creatine kinase|CPK]])
*Elevated [[amylase]]
*[[Hypoalbuminemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Henoch-Schönlein purpura|IgA vasculitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Thrombophilia|Hypercoagulability]] 
*Nonocclusive [[Ischemic colitis|colonic ischemia]]
*[[Embolism|Embolic]] and [[Thrombosis|thrombotic]] arterial occlusion
*[[Mesenteric vein thrombosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Abdominal [[Computed tomography|CT scan]]
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Lactose intolerance]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Abdominal tenderness ]]
* [[Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Lactose tolerance test
* Genetic testing
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Headache]]
* [[Vertigo]]
* [[Memory impairment]]
* [[Lethargy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Reduction of lactase enzyme activity or inability to produce persistent [[lactase]]  
* Congenital [[lactase deficiency]]
* Secondary lactose malabsorption
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Small bowel]] [[biopsy]] 
* Lactose breath hydrogen test
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Irritable bowel syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Abdominal tenderness]]
* [[Abdominal distention]]
* Normal [[Stomach rumble|bowel sounds]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Anxiety]]
*[[Palpitation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Unknown
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Diagnosis of exclusion
|-
! rowspan="43" style="background:#4479BA; color: #FFFFFF;" align="center" |Infection
! rowspan="28" style="background:#4479BA; color: #FFFFFF;" align="center" |Bacterial
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Whipple's disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hepatosplenomegaly]]
* [[Ascites]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Positive [[fecal fat]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓/↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hypoalbuminemia]]
*[[Fat soluble vitamins]] deficiency
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Malabsorption]]
* [[Ocular motility disorders|Abnormal extraocular movement]]
* [[Lymphadenopathy]]
* [[Hyperpigmentation]]
* [[Uveitis]]
* [[Endocarditis]]
* [[Encephalitis]]
* [[Dementia]]
* [[Pleural effusion]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Tropheryma whipplei|''Tropheryma whipplei'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Small intestine]] [[biopsy]] for [[Tropheryma whipplei]] testing
* [[PCR]] testing
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Tropical sprue]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Angular [[stomatitis]]
* Oral mucosal lesion
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Fat soluble vitamins]] deficiency
* [[Vitamin B12 deficiency]]
* [[Folate deficiency]]
* [[Hypokalemia]] 
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Myalgia]]
*[[Neuropathy]]
*[[Edema]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* ''[[Escherichia coli]]''
* ''[[Klebsiella pneumoniae]]''
* ''[[Enterobacter cloacae]]''
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Diagnosis of exclusion
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Small bowel bacterial overgrowth syndrome|Small bowel bacterial overgrowth]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Abdominal distension|Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
*Positive [[fecal fat]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Hypoalbuminemia]]
* Abnormal [[Hydrogen Breath Test|hydrogen breath test]]
* [[Lactic acidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Malabsorption]]
* [[Malabsorption]]
* [[Malaria]]
* [[Rosacea]] 
* [[Malonic aciduria]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Marburg virus]]
* Excess bacteria in the [[small intestine]]
* [[Mastocytosis]]
* Alterations in [[Intestine|intestinal]] [[anatomy]] or GI motility
* [[Megaloblastic anemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Melioidosis]]
* Diagnosis of exclusion
* [[Meningitis]]
|-
* [[Mercury poisoning]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Pseudomembranous enterocolitis]]
* [[Mesothelioma, adult malignant – peritoneal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Metabolic disorders]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Metagonimiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Methionine malabsorption syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Methotrexate toxicity]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Middle ear infection]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Mitochondrial neurogastrointestinal encephalopathy syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Mixed connective tissue disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Morphine withdrawal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Mucoepithelial dysplasia, Witkop type]]
* Generalized [[Tenderness (medicine)|abdominal tenderness]]
* [[Multiple endocrine neoplasia type 1]]
* [[Abdominal distention]]
* [[Mycobacterium avium Complex]]
* [[Rebound tenderness|Rebound abdominal tenderness]]
* [[Mycobacterium avium complex infection]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Myiasis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ménétrier's disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Neonatal bacterial meningitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Neonatal sepsis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Neoplasia]]
* [[Enzyme linked immunosorbent assay (ELISA)|Enzyme–linked immunosorbent assay]] ([[Enzyme linked immunosorbent assay (ELISA)|ELISA]])
* [[Neuroblastoma]]
* [[Polymerase chain reaction]] ([[Polymerase chain reaction|PCR]]) assay or ''[[Clostridium difficile infection|C. difficile]]'' antigen
* [[Neuroendocrine tumors]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Neurofibromatosis, familial intestinal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Nezelof's syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Norwalk gastroenteritis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Norwalk-like viruses]]
* Elevated [[Creatinine|serum creatinine]]
* [[Obal syndrome]]
* [[Hypoalbuminemia]]
* [[Obstructive Jaundice]]
* Elevated [[lactic acid]]  
* [[Ogilvie's syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[OHSS]]
* [[Dehydration]]
* [[Omenn syndrome]]
* [[Acute kidney injury]]
* [[Opioid withdrawal]]
* [[Opisthorchiasis]]
* [[Opium withdrawal]]
* [[Ovarian Cancer]]
* [[OxyContin withdrawal]]
* [[Pancreatic adenoma]]
* [[Paragonimiasis]]
* [[Paraneoplastic Autoimmune Syndromes]]
* [[Peanut allergy]]
* [[Pellagra]]
* [[Pelvic abscess]]
* [[Penicillin allergy]]
* [[Periodic hyperlysinemia]]
* [[Pernicious anemia]]
* [[Phenol sulfotransferase deficiency]]
* [[Plant poisoning - Angel's trumpet (D. suaveolans)]]
* [[Plant poisoning - Castor bean (Ricinus communis)]]
* [[Plant poisoning - daffodil (Narcissus pseudonarcissus)]]
* [[Plant poisoning - holly (Ilex sp.)]]
* [[Plant poisoning - Jimsonweed (Datura stramonium)]]
* [[Plant poisoning - mistletoe (Phoradendron serotinum)]]
* [[Plant poisoning - pokeweed (Phytolacca Americana)]]
* [[Plant poisoning - potato (Solanum tuberosum)]]
* [[Plant poisoning - Rosary pea (Abrus precatorious)]]
* [[Plant poisoning - Water hemlock (Cicuta sp.)]]
* [[Poisoning]]
* [[Pollen allergy]]
* [[Portal thrombosis]]
* [[Portal vein thrombosis]]
* [[Portuguese type amyloidosis]]
* [[Postoperative Abdominal Wound Dehiscence]]
* [[Powell-Buist-Stenzel syndrome]]
* [[Primary agammaglobulinemia]]
* [[Primary immunodeficiency disorders]]
* [[Primary tubular proximal acidosis]]
* [[Protozoal Infection]]
* [[Protozoan Conditions]]
* [[Proximal Renal Tubular Acidosis]]
* [[Proximal tubulopathy - diabetes mellitus - cerebellar ataxia]]
* [[Psyllium - adverse effects]]
* [[Ptomaine food poisoning]]
* [[Q fever]]
* [[Radiation colitis]]
* [[Radiation sickness]]
* [[Rambaud-Galian syndrome]]
* [[Rapid gastric emptying]]
* [[Rectal cancer]]
* [[Rectal conditions]]
* [[Refsum disease, infantile form]]
* [[Reiter’s syndrome]]
* [[Rhabditida Infections]]
* [[Ritter syndrome]]
* [[Rocky Mountain spotted fever]]
* [[Rotavirus]]
* [[Roundworm]]
* [[Sakamoto disease]]
* [[Salmonella]]
* [[Salmonella enteritidis]]
* [[Salmonella food poisoning]]
* [[Sarcosporidiosis]]
* [[SARS]]
* [[Schistosomiasis]]
* [[SCID]]
* [[Sclerosing Mesenteritis]]
* [[Scombrotoxic fish poisoning]]
* [[Secernentea Infections]]
* [[Secretory diarrhea]]
* [[Selenium – overuse]]
* [[Serotonin Syndrome]]
* [[Severe combined immunodeficiency, T- B+ due to JAK3 deficiency]]
* [[Severe congenital neutropenia]]
* [[Shigellosis]]
* [[Short Bowel Syndrome]]
* [[Sickle cell crisis]]
* [[Smith disease]]
* [[Smoking stools syndrome]]
* [[Spencer disease]]
* [[Sphingolipidosis]]
* [[Spira syndrome]]
* [[Spirurida Infections]]
* [[Spleen Cancer]]
* [[Spondyloepiphyseal dysplasia - nephrotic syndrome]]
* [[Sprue]]
* [[St. Anthony's fire]]
* [[Stachybotrys chartarum]]
* [[Staphylococcal food poisoning]]
* [[Staphylococcal infection]]
* [[Staphylococcal toxic shock syndrome]]
* [[Staphylococcus aureus food poisoning]]
* [[Stomach cancer]]
* [[Stomach Conditions]]
* [[Streptococcal Infections]]
* [[Strongyloides]]
* [[Subacute myelo-optico neuropathy syndrome]]
* [[Subacute thyroiditis]]
* [[Substance withdrawal syndrome]]
* [[Sudden digestive conditions]]
* [[Tapeworms]]
* [[Thymus cancer]]
* [[Thymus disorders]]
* [[Thyroid cancer, familial medullary]]
* [[Toxemia]]
* [[Toxic epidermal necrolysis]]
* [[Toxic shock syndrome]]
* [[Toxocara]]
* [[Toxoplasmosis]]
* [[Traveler's diarrhea]]
* [[Trematoda - Intestinal, lung, liver flukes]]
* [[Trichinosis]]
* [[Trichuris]]
* [[Tularemia]]
* [[Turcot syndrome]]
* [[Typhoid fever]]
* [[Ultram withdrawal]]
* [[Valinemia]]
* [[Vanadium - adverse effect]]
* [[Vancomycin resistant enterococcal bacteremia]]
* [[Vasculitis hypersensitivity]]
* [[Venezuelan equine encephalitis]]
* [[Vibrio cholerae]]
* [[Vibrio Infections]]
* [[Vibrio mimicus food poisoning]]
* [[Vibrio parahemolyticus]]
* [[Vibrio vulnificus]]
* [[Vibrio vulnificus infection]]
* [[Vicodin withdrawal]]
* [[Vipoma]]
* [[Viral digestive infections]]
* [[Viral hemorrhagic fever]]
* [[Viral Hepatitis]]
* [[Viral meningitis]]
* [[Visceral myopathy familial external ophthalmoplegia]]
* [[Visceral neuropathy, familial, autosomal dominant]]
* [[Vitamin C toxicity]]
* [[Vitamin D - adverse effects]]
* [[Von Gierke disease IB]]
* [[Waldmann disease]]
* [[Water-skier colon]]
* [[Waterhouse-Friederichsen syndrome]]
* [[Weil's syndrome]]
* [[West Nile encephalitis]]
* [[West Nile fever]]
* [[Western equine encephalitis]]
* [[Wheat intolerance]]
* [[Whipple's disease]]
* [[Whipworm]]
* [[Whole-body acute irradiation - gastrointestinal syndrome]]
* [[Whooping cough]]
* [[Wolman disease]]
* [[Worm conditions]]
* [[X-linked agammaglobulinaemia]]
* [[Yellow fever]]
* [[Yersinia enterocolitica]]
* [[Yersinia pseudotuberculosis]]
* [[Yersiniosis]]
* [[Yorifuji Okuno syndrome]]
* [[ZAP70 deficiency]]
* [[Zinc deficiency]]
* [[Zollinger-Ellison syndrome]]
{{refend}}


===Complete Differential Diagnosis of the Causes of ...===
* [[Bacteremia]]
(By organ system)
* [[Reactive arthritis]]
{|style="width:80%; height:100px" border="1"
* [[Necrotizing fasciitis]]
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes
* [[Clostridium difficile|''Clostridium difficile'']]
* Recent [[antibiotics]] use
* Recent [[surgery]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Stool examination|Stool exam]]
* Pseudomembranes on [[colonoscopy]]
|-
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
! colspan="2" style="background:#DCDCDC;" align="center" | [[Campylobacteriosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Toxic megacolon]]
*[[Sepsis]]
*[[Arthritis]]
*[[Endocarditis]] 
*[[Guillain-Barré syndrome|Guillain–Barré syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Campylobacter jejuni|''Campylobacter jejuni'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
! colspan="2" style="background:#DCDCDC;" align="center" |[[Salmonellosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*[[Abdominal distention]]
*Diffuse [[abdominal tenderness]]
*[[Hepatosplenomegaly]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
*Positive serologic testing
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hypokalemia]]
*[[Hypernatremia]]
*[[Hyponatremia]]
* [[Hypercalciuria]]
* [[Hypocitraturia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Post-infectious arthritis|Post–infectious arthritis]]
* [[Obtundation]]
* [[Bacteremia]]
* [[Pericarditis]]
* [[Pyelonephritis]]
*[[Brain abscess]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Salmonella|''Salmonella'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Shigellosis]]
| '''Chemical / poisoning'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Abdominal distention]]
* Hyperactive [[Stomach rumble|bowel sounds]]
* Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑/↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Elevated [[C-reactive protein|CRP]]
*Elevated [[Erythrocyte sedimentation rate|ESR]]
*[[Hyponatremia]]
* [[Hypoglycemia]]
* [[Azotemia]] 
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Headache]]
* [[Lethargy]]
* [[Seizures]]
* [[Delirium]]
* [[Post-infectious arthritis|Post–infectious arthritis]]
* [[Myocarditis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Shigella|''Shigella'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
| '''Dermatologic'''
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
|bgcolor="Beige"| No underlying causes
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
| '''Drug Side Effect'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
|bgcolor="Beige"| No underlying causes
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
|-
|-bgcolor="LightSteelBlue"
! rowspan="5" style="background:#DCDCDC;" align="center" |[[Escherichia coli enteritis]]
| '''Ear Nose Throat'''
| style="background:#DCDCDC;" align="center" |[[ETEC|'''ETEC''']]
|bgcolor="Beige"| No underlying causes
([[Traveler's diarrhea]])
|-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|-bgcolor="LightSteelBlue"
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| '''Endocrine'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
|-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
|-bgcolor="LightSteelBlue"
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| '''Environmental'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Escherichia coli|''Enterotoxigenic escherichia coli'']]
*[[Enterotoxin|Enterotoxins]]:
**Heat–labile [[enterotoxin]] (LT)
**Heat–stable [[enterotoxin]] (ST)
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
| style="background:#DCDCDC;" align="center" |[[EPEC|'''EPEC''']]
| '''Gastroenterologic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*''[[Enteropathogenic E. coli]]''
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hybridization probe|DNA probe]] or [[polymerase chain reaction]] ([[Polymerase chain reaction|PCR]]) of the ''EPEC'' adherence factor
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
| style="background:#DCDCDC;" align="center" |[[EIEC|'''EIEC''']]
| '''Genetic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Escherichia coli enteritis|''Enteroinvasive E. coli'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hybridization probe|DNA probe]]
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
| style="background:#DCDCDC;" align="center" |[[EHEC|'''EHEC''']]
| '''Hematologic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Azotemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hemolytic-uremic syndrome|Hemolytic uremic syndrome]] ([[Hemolytic-uremic syndrome|HUS]])
*[[Renal insufficiency|Renal failure]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Enterohemorrhagic escherichica coli|''Enterohemorrhagic E. coli'']] 
*[[Shiga toxin|Shiga toxins]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
| style="background:#DCDCDC;" align="center" |[[EAEC|'''EAEC''']]
| '''Iatrogenic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Chronic infection in [[Immunodeficiency|immunocompromised]] patients
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Escherichia coli enteritis|''Enteroaggregative E. coli'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
| '''Infectious Disease'''
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
|bgcolor="Beige"| No underlying causes
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
| '''Musculoskeletal / Ortho'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
|bgcolor="Beige"| No underlying causes
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Yersinia enterocolitica]]
| '''Neurologic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Abdominal distention]]
* Hyperactive [[Stomach rumble|bowel sounds]]
* Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Bacteremia]]
*[[Reactive arthritis]]
*[[Glomerulonephritis]]
*[[Endocarditis]]
*[[Erythema nodosum]]
*[[Abscess]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Yersinia enterocolitica|''Yersinia enterocolitica'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Vibrio cholerae|Vibrio cholera]]
| '''Nutritional / Metabolic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Azotemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Severe [[dehydration]]
*Decreased [[Turgor|skin turgor]]
*[[Oliguria]]
*[[Renal insufficiency|Renal failure]]
*[[Cramp|Muscle cramps]]
*[[Seizure]]
*[[Somnolence]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Cholera toxin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Aeromonas]]
| '''Obstetric/Gynecologic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Abdominal distention]]
* Hyperactive [[Stomach rumble|bowel sounds]]
* Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Wound [[infection]]
*[[Bacteremia]]
*[[Hemolytic-uremic syndrome|Hemolytic uremic syndrome]] 
*[[Meningitis]]
*[[Ocular]] infection
*[[Pneumonia]] 
*[[Urinary tract infection]]
*[[Osteomyelitis]]
*[[Peritonitis]]
*[[Acute cholecystitis]]
*[[Opportunistic infection|Opportunistic infections]] in [[Immunodeficiency|immunocompromised]] patients
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*''[[Aeromonas]]'' virulence factors including [[Endotoxin|endotoxins]], [[Hemolysin|hemolysins]], [[Enterotoxin|enterotoxins]], and adherence factors
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Blood culture]]
*Wound [[Culture collection|culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
| '''Oncologic'''
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
|bgcolor="Beige"| No underlying causes
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
| '''Opthalmologic'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
|bgcolor="Beige"| No underlying causes
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Plesiomonas shigelloides|Plesiomonas]]
| '''Overdose / Toxicity'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* Hyperactive [[Stomach rumble|bowel sounds]]
* Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Opportunistic infection|Opportunistic infections]] in [[Immunodeficiency|immunocompromised]] patients or [[Hepato-biliary diseases|hepatobiliary disease]]
*[[Bacteremia]]
*[[Cellulitis]] and [[Skin and soft-tissue infections|skin abscesses]]
*[[Peritonitis]]
*[[Meningoencephalitis]]
*[[Ocular]] [[infection]]
*[[Pneumonia]]
*[[Prosthetic devices|Prosthetic]] joint [[infection]] 
*Septic [[Pregnancy termination complications|abortion]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Plesiomonas shigelloides|''Plesiomonas shigelloides'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Blood culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Mycobacterium avium complex]]
| '''Psychiatric'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Abdominal distension|Abdominal distention]]
*[[Hepatosplenomegaly]] 
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Elevated [[Liver function tests|liver enzymes]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Opportunistic infection]] in [[Immunodeficiency|immunocompromised]] patients
*[[Pulmonary]] [[infection]]
*[[Lymphadenopathy|Adenopathy]] 
*[[Sleep hyperhidrosis|Night sweats]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Mycobacterium avium complex|''Mycobacterium avium complex'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Blood culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Foodborne illness|Food poisoning]]
| '''Pulmonary'''
* [[Staphylococcus aureus]]
|bgcolor="Beige"| No underlying causes
* [[Bacillus cereus]]
* [[Clostridium perfringens]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Abdominal distension|Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive [[stool culture]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*History of travel or ingestion of infected food
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Enterotoxin|Enterotoxins]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Stool culture]]
|-
|-
|-bgcolor="LightSteelBlue"
! rowspan="8" style="background:#4479BA; color: #FFFFFF;" align="center" |Virus
| '''Renal / Electrolyte'''
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
|bgcolor="Beige"| No underlying causes
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
| '''Rheum / Immune / Allergy'''
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
|bgcolor="Beige"| No underlying causes
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Norovirus]]
| '''Sexual'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*[[Abdominal distension|Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Positive stool reverse–transcriptase [[polymerase chain reaction]] (RT–PCR)
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Myalgia]]
*[[Headache]] 
*[[Seizure]] 
*[[Encephalopathy]] 
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Norovirus|''Norovirus'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Clinical diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Rotavirus]]
| '''Trauma'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* Hyperactive [[Stomach rumble|bowel sounds]]
* Diffuse [[abdominal tenderness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Elevated [[blood urea nitrogen]]
*[[Hyperchloremic acidosis]]
*[[Hypocalcemia]] 
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Necrotizing enterocolitis]]
*[[Intussusception]] 
*[[Biliary atresia]]
*[[Central nervous system]] involvement
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Rotavirus|''Rotavirus'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Stool immune–based assays
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Echovirus]]
| '''Urologic'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*[[Abdominal distension|Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Hepatic failure|Liver failure]]
*[[Myocarditis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Echovirus|''Echovirus'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Clinical diagnosis
|-
|-
|-bgcolor="LightSteelBlue"
! colspan="2" style="background:#DCDCDC;" align="center" |[[Adenoviridae|Adenovirus]]
| '''Miscellaneous'''
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
|bgcolor="Beige"| No underlying causes
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
*[[Abdominal distension|Abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Viral antigen assay
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Respiratory disease]]
*[[Hyperkeratosis|Follicular]] [[conjunctivitis]]
*Epidemic [[keratoconjunctivitis]]
*[[Hepatitis]] 
*[[Urethritis]] 
*[[Myocarditis]] 
*[[Meningitis]] 
*[[Bacteremia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Adenoviridae|''Adenovirus'']]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*Clinical diagnosis
|-
|-
|}
! colspan="2" style="background:#DCDCDC;" align="center" |[[CMV colitis]]
 
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
==The Complete List of Drugs may Cause Diarrhea==
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
{{refbegin|3}}
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[A-Cillin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[A/T/S]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Abacavir]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Abelcet Injection]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Acamprosate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Acarbose]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Accolate]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Accurbron]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Accure]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Acebutolol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Acebutolol Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Acetazolam]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Acetazolamide]]
*Viral antigen assay
* [[Aches-N-Pain]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Achromycin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Achromycin V]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Acifur]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Acimax]]
*Decreased [[CD4]] level
* [[Acimox]]
*Abnormal [[Liver function tests|liver function test]]
* [[Aciphex]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Aclin]]
*[[Encephalitis]] 
* [[Acrivatine and Pseudoephedrine]]
*[[Guillain-Barré syndrome|Guillain–Barré syndrome]]
* [[Acromicina]]
*[[Pneumonia]] 
* [[Act-3]]
*[[Retinitis]]
* [[Actidose with Sorbitol]]
*[[Pericarditis]] and [[myocarditis]]
* [[Actidose-Aqua]]
*[[Atherosclerosis]] 
* [[Actifed]]
*[[Venous thromboembolism|Venous thrombosis]]
* [[Actifed CC Junior]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Actifed Chesty]]
*[[Cytomegalovirus|''Cytomegalovirus'']]
* [[Actifed Dry]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Actilax]]
*[[Quantitative polymerase chain reaction|Quantitative PCR]] tests 
* [[Action Cold and Flu]]
|-
* [[Actiprofen]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Human Immunodeficiency Virus (HIV)|HIV]]
* [[Actonel]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Actos]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[ACWY]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Acyclovir capsules, suspension and tablets]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Adapin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Adderall]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Adderall XR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Adefovir]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Adoxa]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Adriamycin PFS]]
*[[Abdominal distension|Abdominal distention]]
* [[Adriamycin RDF]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Advair Diskus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Advicor]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Advil]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Aerolate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Agenerase]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Aggrenox]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Agiolax]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Agrylin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[AK Beta]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[AK-Chlor]]
*Decreased [[CD4]] level
* [[AK-Tracin]]
*[[Electrolyte disturbance|Electrolyte imbalance]]
* [[Ak-Zol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Akamin]]
*[[Lymphadenopathy]]
* [[Akne-mycin]]
*Disseminated [[infection]]
* [[Akorazol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[AL-R]]
*[[Human Immunodeficiency Virus (HIV)|''HIV'']]
* [[Ala-Tet]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Albendazole]]
*HIV virologic (viral load) test
* [[Albert Docusate]]
*Immunoassay 
* [[Alclox Capsules]]
|-
* [[Aldactazide]]
| rowspan="7" style="background:#4479BA; color: #FFFFFF;" align="center" |Parasite
* [[Aldactone]]
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
* [[Aldara]]
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
* [[Aldomet]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
* [[Aldopren]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
* [[Alendronate]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
* [[Alendronate Sodium]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
* [[Alertonic]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
* [[Aleve]]
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
* [[Alferon N]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
* [[Alfotax]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
* [[Alinia]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
* [[Alkeran]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
* [[Allegra-D]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
* [[Aller Max]]
|-
* [[Aller-Chlor]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
* [[Allohexal]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
* [[Allopurinol]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
* [[Allorin]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
* [[Alocril capsule]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
* [[Alpha-Baclofen]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Alphamox]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
* [[Alphapress]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
* [[Alpidine]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
* [[Alpraclonidine Hydrochloride]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
* [[Altocor]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Aludrol]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
* [[Alupent]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
* [[Amaphen]]
|-
* [[Ambenonium Chloride]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Entamoeba histolytica]]
* [[Ambien]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ambotetra]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ameblin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Amicar]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Aminocaproic Acid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Aminogluthethmide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Aminophyllin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Aminosalicylate Sodium]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Amitriptyline Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Amlexanox]]
*[[Abdominal distension|Abdominal distention]]
* [[Amlodipine and Benazepril]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Amodopa]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Amohexal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Amoxapine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Amoxicillin and Clavulanic Acid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Amoxifur]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Amoxil]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Amoxil Duo]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Amoxisol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Amoxivet]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Ampexin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Amphetamine Sulfate]]
*[[Liver abscess]]
* [[Amphotericin B Lipid Complex]]
*Pleuropulmonary infection
* [[Amphotericin Tablets]]
*[[Cardiac]] [[infection]]
* [[Ampicillin Sodium and Sulbactam Sodium]]
*[[Brain abscess]]
* [[Amprenavir]]
*[[Skin and soft-tissue infections|Cutaneous infection]]
* [[Amsicrine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Amsidyl]]
*[[Entamoeba histolytica|''Entamoeba histolytica'']]
* [[Amylobarbitone]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Amytal Sodium]]
*Antigen testing
* [[Anafranil]]
*Serology 
* [[Anagrelide]]
|-
* [[Anakinra]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Giardia lamblia|Giardia]]
* [[Anamine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Anamine TD]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Anaplex]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Anaprox]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Anaprox DS]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Anapsique]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Anastrozole]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ancef]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ancobon]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Ancolan]]
*[[Abdominal distension|Abdominal distention]]
* [[Ancotil]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Androderm Transdermal System]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Androgel]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Android]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Andrumin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Angiotrofen A.P]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Angiotrofen Retard]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Anitrim]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[AnoqTwo-Dyneuan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Anoquan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Ansaid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Anselol]]
*[[Malabsorption]]
* [[Anspor]]
*[[Urticaria]]
* [[Antacids containing magnesium]]
*[[Depression]]
* [[Antehexal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Antenex]]
*''[[Giardia lamblia]]''
* [[Anthel]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Antibiotics]]
*Antigen detection assays
* [[Antiotrofen]]
|-
* [[Antivert]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Cryptosporidium]]
* [[Antivert 25]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Antrizine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Anxanil]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Anzemet]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apatef]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Aphthasol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apo-Acetazolamide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Allopurinol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Amitriptyline]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Apo-Amoxi]]
*[[Abdominal distension|Abdominal distention]]
* [[Apo-Atenol]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Apo-C]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apo-Capto]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apo-Clomipramine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Clorazepate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Apo-Diclo]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Apo-Diflunisal]]
*Positive stool microscopy
* [[Apo-Diltiaz]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Apo-Dipyridamole FC]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Apo-Dipyridamole SC]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Apo-Doxepin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Apo-Doxy]]
*Elevated [[alkaline phosphatase]]
* [[Apo-Doxy Tabs]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Apo-Enalapril]]
*Chronic, life–threatening illness in [[Immunodeficiency|immunocompromised]] patients
* [[Apo-Erythro]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Apo-Hydroxyzine]]
*[[Cryptosporidium|''Cryptosporidium'']]
* [[Apo-Ibuprofen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Apo-Keto]]
*Polymerase chain reaction
* [[Apo-Keto-E]]
|-
* [[Apo-Meprobamate]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Microsporidia]]
* [[Apo-Metronidazole]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Minocycline]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Naproxen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apo-Sulfatrim]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apo-Tetra]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Apomine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Apormorphine Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[ApraClonidine tablets]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Aprepitant]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Apresoline]]
*[[Abdominal distension|Abdominal distention]]
* [[Aprinox]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Apro-Flurbiprofen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Aquachloral Supprettes]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Aquae]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Aquaphyllin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Aquatag]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Aquatensen]]
*Positive stool microscopy
* [[Aralen Phosphate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Aralen Phosphate with Primaquine Phosphate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Arava]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Arestin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Aricept]]
*Decreased [[CD4]] count
* [[Arima]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Arimidex]]
*[[Malabsorption]]
* [[Armour Thyroid]]
*[[Keratitis]] 
* [[Aromasin]]
*[[Seizure]]
* [[Arthrexin]]
*[[Myositis]] 
* [[Arthrotec]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Artrenac]]
*[[Microsporidia]]
* [[ASA]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Asacol capsules]]
*Antigen detection assays
* [[Asacol rectal suspension]]
|-
* [[Asacol suppositories]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Isospora]]
* [[Asacol tablets]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Asasantin SR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ascorbic 500]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ascorbic Acid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Ascorbicap]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Asendin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Asmalix]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Aspirin and Meprobamate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Asprodeine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Atacand]]
*[[Abdominal distension|Abdominal distention]]
* [[Atacand HCT]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Atacand Plus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Atapryl]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Atarax]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Atazanavir Sulfate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Atenolol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Atiquim]]
*Positive stool microscopy
* [[Atisuril]]
*Positive [[fecal fat]]
* [[Atorvastatin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Atovaquone]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Atozine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Atridox]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Atrofen]]
*Elevated [[Eosinophil granulocyte|eosinophils]] 
* [[Atrohist Pediatric]]
*[[Hypokalemia]]
* [[Augmentin]]
*Increased [[creatinine]]
* [[Augmentin Duo]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Augmentin ES-600]]
*Chronic illness in [[Immunodeficiency|immunocompromised]] patients
* [[Augmentin XR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Auranofin]]
*[[Isospora|''Isospora'']]
* [[Aureomycin 3% Skin Ointment]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Aurorix]]
*Detecting oocysts in the feces
* [[Aurothiogluccose]]
|-
* [[Ausclav]]
! colspan="2" rowspan="10" style="background:#4479BA; color: #FFFFFF;" align="center" |Tumors
* [[Ausclav Duo]]
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
* [[Ausgem]]
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
* [[Ausran]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
* [[Austramycin V]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
* [[Austyn SR]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
* [[Avalide]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
* [[Avandamet]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
* [[Avandia]]
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
* [[Avapro]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
* [[Avapro HCT]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
* [[Avelox]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
* [[Aventyl]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
* [[Aventyl Pulvules]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
* [[Avil]]
|-
* [[Avil Decongestant]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
* [[Avil Retard]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
* [[Avil Syrup]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
* [[Avilettes]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
* [[Avirax]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
* [[Avonex]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Axotal]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
* [[Azacitidine]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
* [[Azatadine Maleate]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
* [[Azithromycin]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
* [[Azopt]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Azulfidine]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
* [[Azulfidine EN-Tabs]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
* [[B-A-C]]
|-
* [[Bacampicillin Hydrochloride]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Carcinoid syndrome|Carcinoid tumor]]
* [[Baci-IM]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Baciguent]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bacitin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bacitracin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Baclo]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Baclofen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Baclohexal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bactelan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bactocil]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Bactrim]]
* [[Abdominal distention]]
* [[Bactrim DS]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bactrim Pediatric]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Balsalazide capsules]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Balsalazide suppositories]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Balsalazide tablets]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Bancap]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Banophen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Bapadin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Nl
* [[Barbloc]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Batrizol]]
*Elevated urinary [[5-Hydroxyindoleacetic acid|5–hydroxyindoleacetic acid]] ([[5-Hydroxyindoleacetic acid|5–HIAA]]) level
* [[Bayer Select Pain Relief Formula]]
*High [[chromogranin A]]  
* [[Beepen-VK]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bel-Phen-Ergot S]]
*[[Flushing|Facial flushing]]
* [[Belladonna, Phenobarbital and Ergotamine Tartrate]]
*[[Jaundice]]
* [[Bellatal]]
*[[Edema]]
* [[Bellergal-S]]
*[[Valvular heart disease]]
* [[Benacine]]
*[[Congestive heart failure|Right–sided heart failure]]
* [[Benadryl Cough Medicine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Benadryl Family Dry]]
*Well–differentiated [[Neuroendocrine tumors|neuroendocrine tumor]]
* [[Benadryl Family Original]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Benadryl for the Family - Dry]]
*Blood [[chromogranin A]] level
* [[Benadryl for the Family Chesty]]
|-
* [[Benadryl for the Family Dry Forte]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[VIPoma]]
* [[Benadryn Allergy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Benaxima]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Benaxona]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bendrofluazide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bendroflumethiazide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Benemid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Benicar]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Benicar HCT]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bentiromide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Benzamycin]]
* [[Abdominal distention]]  
* [[Benzphetamine Hydrochloride]]
* Abdominal [[RUQ]] [[tenderness]]
* [[Benzthiazide]]
* [[Nausea]]
* [[Bepridil]]
* [[Vomiting]]
* [[Bepridil Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Beractant]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Berubigen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Betaferon]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Betagan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Betahistine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Betaine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Betaloc]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Betapace]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Betapace AF]]
*Elevated [[VIP]] level
* [[Betapen-VK]]
*[[Hypokalemia]]
* [[Betaseron]]
*[[Hypochlorhydria]] or [[achlorhydria]]
* [[Betaxolol]]
*Low osmotic gap (<50 mOsm/kg)
* [[Betaxolol Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Betaxon]]
* [[Rash]]  
* [[Bethanechol]]
* [[Facial flushing]]  
* [[Betimol]]
* [[Dehydration]]  
* [[Betoptic]]
* [[Lethargy]]
* [[Betoptic S]]
* [[Muscle weakness]]
* [[Betoquin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bextra]]
* Primary secretory tumor
* [[Bgramin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Biaxin]]
* Blood [[VIP]] levels
* [[Biaxin Filmtabs]]
* Followed by imaging
* [[Biaxin XL]]
|-
* [[Biaxsig]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Zollinger-Ellison syndrome|Zollinger–Ellison syndrome]]
* [[Bicalutamide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bicor]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bio-Tab]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Biohist-LA]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Biosint]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Biotech Cold & Flu]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Biquinate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bisacodyl]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bisalax]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Bismuth citrate and Clarithromycin]]
** [[Tenderness|Epigastric tenderness]]
* [[Bisolvon Chesty]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Bisolvon Dry]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |–
* [[Bisolvon Dry Junior]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bisolvon Elixir]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Bisolvon Sinus]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Bisolvon Tablets]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Bisoprolol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Blackmores B12]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Blackmores For Women Folic Acid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Blastocarb]]
* Positive [[secretin]] stimulation test
* [[Blocadren]]
* Elevated serum [[chromogranin A]]
* [[Blood pressure medications]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bonine]]
** [[Jaundice]]
* [[Bonviva]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bretylate]]
* [[Gastrin]] producing [[tumor]] mainly in [[duodenum]]
* [[Bretylium Tosylate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bretylol]]
* [[Secretin]] stimulation test
* [[Brevibloc]]
|-
* [[Brexin L.A]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Neuroendocrine tumors|Somatostatinoma]]
* [[Bricanyl]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Brispen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bristacycline]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Brofed Liquid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromaline Elixir]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromanate Elixir]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromarest]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Bromatapp]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Brombay]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Bromfed]]
** [[Tenderness|Epigastric tenderness]]
* [[Bromfed Tablet]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromfed-PD]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromfenex]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Bromfenex PD]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Bromhexine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Bromphen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Brompheniramine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Brompheniramine Maleate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Brondecon Expectorant]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Bronkodyl]]
*Elevated fasting plasma [[somatostatin]]
* [[Brufen]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Budesonide tablet]]
** [[Diabetes mellitus]]
* [[Bugesic]]
** [[Gallstone disease|Cholelithiasis]]
* [[Bumex]]
** [[Jaundice]]
* [[Bupropion]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Busulfan]]
*[[Neuroendocrine tumors]] of D–cell origin
* [[Butacet Improved]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Butacortelone]]
*Plasma [[somatostatin]] level
* [[Butal Compound]]
*Followed by imaging
* [[Butalbital Compound]]
|-
* [[Butazolidin]]
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause
* [[Butobarbitone]]
! colspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Duration
* [[C-Flox]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea
* [[C-Span]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
* [[Cafergot]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal pain
* [[Calcijex]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss
* [[Calcitare]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |GI signs
* [[Calcitriol]]
! colspan="5" style="background:#4479BA; color: #FFFFFF;" align="center" |Stool exam
* [[Calcium Carbimide]]
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
* [[Calcium Folinate]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Other lab findings
* [[Calcium Glubionate]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Extra intestinal findings
* [[Calm-X]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cause/Pathogenesis
* [[Calsynar]]
! rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard diagnosis
* [[Campral]]
|-
* [[Canasa capsules]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Acute
* [[Canasa rectal suspension]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chronic
* [[Canasa suppositories]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Watery
* [[Canasa tablets]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bloody
* [[Candyl]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fatty
* [[Capace]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Capecitabine]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |RBC
* [[Capitral]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Ova/Parasite
* [[Capoten]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Osmotic gap
* [[Capotena]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
* [[Capozide]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |WBC
* [[Captopril]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hgb
* [[Capurate]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Plt
* [[Carafate]]
|-
* [[Caramiphen and Phenylpropanolamine]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Lymphoma]]
* [[Carbenicillin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Carbex]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carbimazole]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carbiset]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carbiset TR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Carbodec]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carbodec TR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carboplat]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Carboplatin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Carboprost Tromethamine]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Carbosorb S]]
*[[Hepatosplenomegaly]]
* [[Carbrital]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Cardcal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Cardec DM]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Cardec-S]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cardene]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Cardene SR]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cardioquin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Cardipril]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cardizem]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cardizem CD]]
*[[Paraproteinemia]] 
* [[Cardizem LA]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cardizem SR]]
* [[Malabsorption]]
* [[Cardol]]
* [[Lactose intolerance]]
* [[Cardophyllin Tablets and Suppositories]]
* [[Ascites]]
* [[Cardura]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Carteolol]]
*Primary [[tumor]] of GI tract
* [[Carteolol Hydrochloride]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cartia XT]]
*[[Colonoscopy]] with [[biopsy]]
* [[Cartrol]]
|-
* [[Carvedilol]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Colorectal cancer]]
* [[Cascara Sagrada]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Casodex]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Cataflam]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Catovit]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ce-Vi-Sol]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ceclor]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Ceclor CD]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Ceclor Pulvules]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Cecon]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cedax]]
*Diffuse [[Tenderness (medicine)|abdominal tenderness]]
* [[Cee-1000 T.D]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Cefaclor]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Cefadroxil Monohydrate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Cefadyl]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cefalexin-BC]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Cefamezin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cefaxim]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓
* [[Cefaxona]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Cefazolin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cefazolin Sodium]]
* Positive [[carcinoembryonic antigen]]
* [[Cefixime]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cefkor]]
*[[Metastasis]]
* [[Cefobid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cefoclin]]
*[[FAP|FAP gene]]  
* [[Cefonicid Sodium]]
*[[Hereditary nonpolyposis colorectal cancer|HNPCC gene]]
* [[Cefoperazone Sodium]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Cefotan]]
** [[Colonoscopy]] and [[biopsy]]
* [[Cefotaxime Sodium]]
|-
* [[Cefotaxime-BC]]
! colspan="2" rowspan="7" style="background:#4479BA; color: #FFFFFF;" align="center" |Medication/Toxicity
* [[Cefotetan Disodium]]
! colspan="2" style="background:#DCDCDC;" align="center" |Medications
* [[Cefoxitin Sodium]]
* [[ACE inhibitor|ACE inhibitors]]
* [[Cefpodoxime]]
* [[Cefpodoxime Proxetil]]
* [[Cefprozil]]
* [[Cefrom]]
* [[Ceftazidime]]
* [[Ceftazim]]
* [[Ceftibuten]]
* [[Ceftin]]
* [[Ceftina]]
* [[Cefuroxime]]
* [[Cefuroxime Axetil]]
* [[Cefzil]]
* [[Celapram]]
* [[Celebrex]]
* [[Celecoxib]]
* [[Celexa]]
* [[CellCept]]
* [[Cena-L]]
* [[Centany]]
* [[Cepacol Cough]]
* [[Cephalexin]]
* [[Cephalexin Hydrochloride]]
* [[Cephapirin Sodium]]
* [[Cephradine]]
* [[Ceporacin]]
* [[Ceptaz]]
* [[Cerebyx]]
* [[Cerivastatin]]
* [[Certain anti-diabetes drugs]]
* [[Certain cholesterol drugs]]
* [[Cerubidine]]
* [[Cetane]]
* [[Cetina]]
* [[Cetrizide]]
* [[Cevalin]]
* [[Cevimeline]]
* [[Cevita]]
* [[Charcoaid]]
* [[Chemists’ Own Chesty Cough]]
* [[Chemists’ Own Chesty Mucus Cough]]
* [[Chemists’ Own Cold & Flu Night]]
* [[Chemists’ Own Coldeze]]
* [[Chemists’ Own Difenacol Cough]]
* [[Chemists’ Own Hayfever Sinus Relief]]
* [[Chemists’ Own Infant’s Cold & Allergy Drops]]
* [[Chemists’ Own Kiddicol]]
* [[Chemists’ Own Peetalix]]
* [[Chemists’ Own Promethazine]]
* [[Chemist’s Own Dry Raspy Cough]]
* [[Chemotherapy]]
* [[Cheracol]]
* [[Chibroxin]]
* [[Children’s Advil]]
* [[Children’s Motrin]]
* [[Chlo-Amine]]
* [[Chlor-Phen]]
* [[Chlor-Pro]]
* [[Chlor-Trimeton]]
* [[Chlor-Tripolon]]
* [[Chlorafed Timecelles]]
* [[Chloral Hydrate]]
* [[Chlorambucil]]
* [[Chloramphenicol]]
* [[Chlorate]]
* [[Chlordrine SR]]
* [[Chloroptic]]
* [[Chloroquine and Primaquine]]
* [[Chloroquine Phosphate]]
* [[Chlorphedrine SR]]
* [[Chlorpheniramine]]
* [[Chlorpheniramine Maleate]]
* [[Chlorquin]]
* [[Chlorquine]]
* [[Chlortetracycline]]
* [[Chlorthalidone]]
* [[Chlorzoxazone]]
* [[Cholan-HMB]]
* [[Choledyl SA]]
* [[Cholera vaccine]]
* [[Cholestyramine]]
* [[Cholestyramine Resin]]
* [[Cholybar]]
* [[Chymex]]
* [[Cibacalcin]]
* [[Cilamox]]
* [[Cilex]]
* [[CiloQuin]]
* [[Cilostazol]]
* [[Ciloxan]]
* [[Ciloxin]]
* [[Cimehexal]]
* [[Cimetidine]]
* [[Cimogal]]
* [[Cinobac Pulvules]]
* [[Cinoxacin]]
* [[Cipoxin]]
* [[Cipramil]]
* [[Cipro]]
* [[Cipro XR]]
* [[Ciproflox]]
* [[Ciprofloxacin]]
* [[Ciproflur]]
* [[Ciproxin HC]]
* [[Ciproxina]]
* [[Cisapride]]
* [[Citalopram]]
* [[Citralite]]
* [[Citravescent]]
* [[Citrihexal]]
* [[Cladribine]]
* [[Claforan]]
* [[Clamoxyl]]
* [[Clamoxyl Duo]]
* [[Clarithromycin]]
* [[Claritin-D 12-Hour]]
* [[Claritin-D 24-Hour]]
* [[Clavulin]]
* [[Clavulin Duo]]
* [[Clemastine Fumarate]]
* [[Cleocin]]
* [[Cleocin capsules]]
* [[Cleocin T capsules]]
* [[Cleocin T vaginal cream]]
* [[Cleocin vaginal cream]]
* [[Clinda-Derm capsules]]
* [[Clinda-Derm vaginal cream]]
* [[Clindagel capsules]]
* [[Clindagel vaginal cream]]
* [[ClindaMax capsules]]
* [[ClindaMax vaginal cream]]
* [[Clindamycin capsules]]
* [[Clindamycin vaginal cream]]
* [[Clindatech]]
* [[Clindets capsules]]
* [[Clindets vaginal cream]]
* [[Clinoril]]
* [[Clobemix]]
* [[Clofazime]]
* [[Clofazimine Palmitate]]
* [[Clofen]]
* [[Clomipramine Hydrochloride]]
* [[Clonazepam]]
* [[Clonodifen]]
* [[Clopidogrel]]
* [[Clopra]]
* [[Clorafen]]
* [[Clorambucil]]
* [[Clorazepate Dipotassium]]
* [[Clotrimazole lozenges]]
* [[Cloxapen]]
* [[Co-trimoxazole]]
* [[Cobex]]
* [[Cod Liver Oil]]
* [[Codalgin Plus]]
* [[Codimal L.A]]
* [[Codral 4 Flu]]
* [[Codral Cough Cold & Flu Night]]
* [[Codral Cough Cold and Flu]]
* [[Codral Night Time]]
* [[Cognex]]
* [[Colace]]
* [[Colax-C]]
* [[Colazal capsules]]
* [[Colazal rectal suspension]]
* [[Colazal suppositories]]
* [[Colazal tablets]]
* [[Colchicine]]
* [[Colchiquim]]
* [[Colchiquim-30]]
* [[Colesevelam]]
* [[Colestid]]
* [[Colestipol]]
* [[Colfed-A]]
* [[Colgout]]
* [[Coloxyl Drops]]
* [[Coloxyl Enema]]
* [[Coloxyl Suppositories]]
* [[Coloxyl Tablets]]
* [[Coloxyl with Senna]]
* [[Combantrin]]
* [[Combantrin Mebendazole]]
* [[Combivir]]
* [[Comhist]]
* [[Comhist LA]]
* [[Comprecin]]
* [[Comtan]]
* [[Comvax]]
* [[Consupren]]
* [[Convax]]
* [[Cophene No. 2]]
* [[Corbeton]]
* [[Coreg]]
* [[Corgard]]
* [[Cosig]]
* [[Cosmegen]]
* [[Cosopt]]
* [[Cosudex]]
* [[Cotazym-S Forte]]
* [[Cotrim]]
* [[Cotrim DS]]
* [[Cotrim Pediatric]]
* [[Coumadin]]
* [[Coversyl Plus]]
* [[Cozaar]]
* [[Creon]]
* [[Crestor]]
* [[Crinone]]
* [[Crixivan]]
* [[Crolon capsule]]
* [[Cromolyn capsule]]
* [[Cromolyn Sodium]]
* [[Cromoptic capsule]]
* [[Cryopril]]
* [[Crysanal]]
* [[Crystamine]]
* [[Crystodigin]]
* [[Cyanocobalamin]]
* [[Cyanoject]]
* [[Cycloblastin]]
* [[Cyclopenthiazide]]
* [[Cyclophosphamide]]
* [[Cyclosporin]]
* [[Cyclosporine]]
* [[Cyklokapron]]
* [[Cymevene]]
* [[Cyomin]]
* [[Cyproheptadine Hydrochloride]]
* [[Cysporin]]
* [[Cystadane]]
* [[Cytadren]]
* [[Cytamen]]
* [[Cytarabine]]
* [[Cytarabine Hydrochloride]]
* [[Cytomel]]
* [[Cytosar-U]]
* [[Cytotec]]
* [[Cytovene]]
* [[Cytoxan]]
* [[D-Penamine]]
* [[D-S-S]]
* [[Dacarbazine]]
* [[Dactinomycin]]
* [[Daktagold]]
* [[Dalacin C]]
* [[Dalacin T]]
* [[Dalacin V]]
* [[Dallergy-JR]]
* [[Dalmane]]
* [[Dantrium]]
* [[Dantrolene]]
* [[Dantrolene Sodium]]
* [[Dapa-Tabs]]
* [[Darapin]]
* [[Daraprim]]
* [[Daunorubicin]]
* [[Daunorubicin Hydrochloride]]
* [[Daunoxome]]
* [[Day & Night Cold & Flu]]
* [[Daypro]]
* [[Daypro ALTA]]
* [[Dayto Sulf]]
* [[Dazamide]]
* [[DC 240]]
* [[Decholin]]
* [[Declomycin]]
* [[Deconamine SR]]
* [[Deferoxamine Mesylate]]
* [[Dehydrocholic Acid]]
* [[Del-Mycin]]
* [[Delavirdine]]
* [[Delixir]]
* [[Demadex]]
* [[Demazin Cold & Flu]]
* [[Demazin Day/Night Relief]]
* [[Demazin Hot Lemon]]
* [[Demazin Repetabs]]
* [[Demazin Syrup]]
* [[Demazin Tablets]]
* [[Demecarium Bromide]]
* [[Demeclocycline]]
* [[Demeclocycline Hydrochloride]]
* [[Demolox]]
* [[Denvar]]
* [[Depacon]]
* [[Depakene]]
* [[Depakote]]
* [[Depakote ER]]
* [[Depakote Sprinkle]]
* [[Deralin]]
* [[Desferal]]
* [[Desferal Mesylate]]
* [[Desferrioxamine]]
* [[Desipramine Hydrochloride]]
* [[Detrol]]
* [[Detrol LA]]
* [[DeWorm]]
* [[Dexamphetamine]]
* [[Dexaphen-SA]]
* [[Dexbrompheniramine and Pseudoephedrine]]
* [[Dexchlorpheniramine]]
* [[Dexchlorpheniramine Maleate]]
* [[Dexedrine]]
* [[Dexi-Tuss]]
* [[Dexpanthenol]]
* [[Dextramphetamine Sulfate]]
* [[Dextroamphetamine Sulfate]]
* [[Dextromethorphan]]
* [[Dextrostat]]
* [[Dialose]]
* [[Diamine T.D]]
* [[Diamox]]
* [[Diamox Sequels]]
* [[Diazemuls]]
* [[Diazepam]]
* [[Diazoxide]]
* [[Dibufen]]
* [[Dichlotride]]
* [[Diclocil]]
* [[Diclofenac]]
* [[Diclohexal]]
* [[Dicloxacillin]]
* [[Dicloxacillin Sodium]]
* [[Dicloxsig]]
* [[Didanosine]]
* [[Didrex]]
* [[Didrocal]]
* [[Didronel]]
* [[Diethylpropion]]
* [[Diethylpropion Hydrochloride]]
* [[Diethylstilbestrol]]
* [[Diflucan]]
* [[Digitaline]]
* [[Digitalis]]
* [[Digitek]]
* [[Digitoxin]]
* [[Digoxin]]
* [[Digoxin]]
* [[Dilacor XR]]
* [[Cephalosporin|Cephalosporins]]
* [[Dilantin]]
* [[Statins]]
* [[Dilantin Kapseals]]
* [[Thiazide|Thiazide diuretics]]
* [[Dilatrend]]
* [[Triptans]]
* [[Dilor]]
* [[Dilor-400]]
* [[Dilosyn]]
* [[Diltia XT]]
* [[Diltiazem]]
* [[Dimaphen Tablets]]
* [[Dimenhydrinate]]
* [[Dimetabs]]
* [[Dimetane]]
* [[Dimetapp 4-hour Liqui-Gel Capsule]]
* [[Dimetapp Cold & Flu]]
* [[Dimetapp Cold Cough & Flu]]
* [[Dimetapp Cold Cough & Flu Day & Night]]
* [[Dimetapp Cold Cough & Flu Night]]
* [[Dimetapp Cold Cough & Sinus]]
* [[Dimetapp Cold Cough and Sinus Liquid Capsules]]
* [[Dimetapp DM]]
* [[Dimetapp Drops]]
* [[Dimetapp Elixir]]
* [[Dimetapp Extentabs]]
* [[Dimetapp Headcold and Flu]]
* [[Dimetapp Tablet]]
* [[Dimetriose]]
* [[Dinac]]
* [[Dinate]]
* [[Dindevan]]
* [[Dinoprost F2 Alpha]]
* [[Dinoprostone]]
* [[Diochloram]]
* [[Diocto]]
* [[Diocto-K]]
* [[Dioeze]]
* [[Diomycin]]
* [[Diovan]]
* [[Diovan HCT]]
* [[Dipentum capsules]]
* [[Dipentum rectal suspension]]
* [[Dipentum suppositories]]
* [[Dipentum tablets]]
* [[Diphen AF]]
* [[Diphenhist]]
* [[Diphenhydramine Hydrochloride]]
* [[Dipsan]]
* [[Dipyridamole]]
* [[Dirinol]]
* [[Dirithromycin]]
* [[Disobrom]]
* [[Disodium etidronate]]
* [[Disonate]]
* [[Disophrol Chrontabs]]
* [[Disophrol Tab let]]
* [[Disopyramide]]
* [[Distaph]]
* [[Ditropan]]
* [[Ditropan XL]]
* [[Diucardin]]
* [[Diulo]]
* [[Diurese]]
* [[Diurigen]]
* [[Diuril]]
* [[Docusate]]
* [[Docusate sodium]]
* [[Dofetilide]]
* [[DOK]]
* [[Dolac Injectable]]
* [[Dolac Oral]]
* [[Dolased Analgesic Relaxant]]
* [[Dolased Night Pain]]
* [[Dolasetron]]
* [[Dolo Pangavit D]]
* [[Dolobid]]
* [[Domperidone]]
* [[Donepezil]]
* [[Dopar]]
* [[Doryx]]
* [[DOS Softgel]]
* [[Doxazosin]]
* [[Doxepin Hydrochloride]]
* [[Doxil Injection]]
* [[Doxinate]]
* [[Doxolem]]
* [[Doxorubicin Hydrochloride]]
* [[Doxsig]]
* [[Doxy Caps]]
* [[Doxychel Hyclate]]
* [[Doxycin]]
* [[Doxycycline]]
* [[Doxyhexal]]
* [[Doxylin]]
* [[Doxytec]]
* [[Dozile]]
* [[Dramamine]]
* [[Dramilin]]
* [[Drixomed]]
* [[Drixoral Syrup]]
* [[Dronabinol]]
* [[DTIC-Dome]]
* [[Ducene]]
* [[Duphalac]]
* [[Dur-Elix Plus]]
* [[Dura-Tap/PD]]
* [[Duralex]]
* [[Duricef]]
* [[Duro-Tuss Cold & Allergy]]
* [[Duro-Tuss Expectorant]]
* [[Duro-tuss Mucolytic]]
* [[Durolax]]
* [[Duromine]]
* [[Durrax]]
* [[Dyazide]]
* [[Dycill]]
* [[Dyflex]]
* [[Dynabac]]
* [[Dynacin]]
* [[DynaCirc]]
* [[DynaCirc CR]]
* [[Dynapen]]
* [[Dyphylline]]
* [[Dytuss]]
* [[E-Base]]
* [[E-C]]
* [[E-Mycin]]
* [[E-Vista]]
* [[E.E.S. 200]]
* [[E.E.S. 400]]
* [[Early Bird]]
* [[EC-Naprosyn]]
* [[Ecapresan]]
* [[Ecaten]]
* [[Echothiophate Iodide]]
* [[Ecstasy]]
* [[Ectaprim]]
* [[Ectaprim-F]]
* [[ED A-Hist]]
* [[ED-IN-SOL]]
* [[Edecril]]
* [[Edecrin]]
* [[EES]]
* [[Efavirenz]]
* [[Efexor]]
* [[Effer-K]]
* [[Elavil]]
* [[Eldepryl]]
* [[Eldisine]]
* [[Elixomin]]
* [[Elixophyllin]]
* [[Elmiron]]
* [[Emend]]
* [[Emgel]]
* [[Emtricitabine]]
* [[Emtriva]]
* [[Enaladil]]
* [[Enalapril]]
* [[Enbrel]]
* [[Endafed]]
* [[Endep]]
* [[Endolor]]
* [[Endoxan]]
* [[Enduron]]
* [[Enduron M]]
* [[Ener-B]]
* [[Enfuvirtide]]
* [[Engerix-B]]
* [[Eni]]
* [[Enovil]]
* [[Enoxacin]]
* [[Enoxin]]
* [[Entacapone]]
* [[Enterobacticel]]
* [[Enteropride]]
* [[Entocort]]
* [[Ephedrine]]
* [[Epilim]]
* [[Epivir]]
* [[Epivir-HBV]]
* [[Epoetin]]
* [[Epoetin Alfa]]
* [[Epogen]]
* [[Eprex]]
* [[Epromate-M]]
* [[Equagesic]]
* [[Equanil]]
* [[Ergamisol]]
* [[Ergodryl]]
* [[Ergodryl Mono]]
* [[Ergotamine]]
* [[Eritoquim]]
* [[Ery-Tab]]
* [[Eryacne]]
* [[Erybid]]
* [[Eryc]]
* [[Erycette]]
* [[Eryderm]]
* [[Erygel]]
* [[Erymax]]
* [[EryPads]]
* [[EryPed]]
* [[EryPed 200]]
* [[EryPed 400]]
* [[EryPed Drops]]
* [[Erythra-Derm]]
* [[Erythro-Base]]
* [[Erythrocin]]
* [[Erythrocin Stearate]]
* [[Erythromycin]]
* [[Erythromycin DR]]
* [[Erythromycin ES]]
* [[Erythromycin Filmtabs]]
* [[Eryzole]]
* [[Esgic]]
* [[Esgic-Plus]]
* [[Esidrix]]
* [[Eskalith]]
* [[Eskalith CR]]
* [[Eskazole]]
* [[Esmolol]]
* [[Estazolam]]
* [[Esteprim]]
* [[Etanercept]]
* [[Ethacrynic Acid]]
* [[Ethambutol]]
* [[Ethosuximide]]
* [[Etodolac]]
* [[Etopophos]]
* [[Etoposide]]
* [[Etrafon]]
* [[Etrafon-A]]
* [[Etrafon-Forte]]
* [[Euky Bear Cough Syrup]]
* [[Eulexin]]
* [[Evoxac]]
* [[Excedrin]]
* [[Excedrin Extra Strength]]
* [[Exelon]]
* [[Exemestane]]
* [[Exna]]
* [[Ezetimibe]]
* [[Fabahistin]]
* [[Factive]]
* [[Famciclovir]]
* [[Famvir]]
* [[Fansidar]]
* [[Fareston]]
* [[Fasigyn]]
* [[Fedahist Gyrocaps]]
* [[Fedahist Timecaps]]
* [[Fefol]]
* [[Felbamate]]
* [[Felbatol]]
* [[Feldene]]
* [[Feldene Gel]]
* [[Felodipine]]
* [[Femara]]
* [[Femcet]]
* [[Femiron]]
* [[Fenac]]
* [[Fenamine]]
* [[Fenfluramine]]
* [[Fenofibrate]]
* [[Fensaid]]
* [[Feosol]]
* [[Feostat]]
* [[Fer-Gen-Sol]]
* [[Fer-In-Sol]]
* [[Feratab]]
* [[Fergon]]
* [[Fergon Elixir]]
* [[Ferndex]]
* [[Ferretts]]
* [[Ferrex]]
* [[Ferrous Gluconate]]
* [[Ferrous Sulphate]]
* [[FGF]]
* [[Fioricet]]
* [[Fiorinal]]
* [[Fiorital]]
* [[Fiorpap]]
* [[Fisamox]]
* [[Flagenase]]
* [[Flagyl]]
* [[Flagyl ER]]
* [[Flavorcee]]
* [[Flecainide]]
* [[Flecatab]]
* [[Fleet]]
* [[Fleet Micro-Enema]]
* [[Flexen]]
* [[Flogen]]
* [[Flomax]]
* [[Flopen]]
* [[Floxapen]]
* [[Floxin]]
* [[Floxin Otic]]
* [[Floxsig]]
* [[Flucil]]
* [[Flucloxacillin]]
* [[Fluconazole]]
* [[Flucytosine]]
* [[Flumadine]]
* [[Fluorouracil]]
* [[Fluoxymesterone]]
* [[Flurazepam]]
* [[Flurbiprofen]]
* [[Flurbiprofen Sodium]]
* [[Flutamide]]
* [[Flutamin]]
* [[Fluvastatin]]
* [[Folic Acid]]
* [[Follicle Stimulating Hormone]]
* [[Fortaz]]
* [[Forteo]]
* [[Fortovase]]
* [[Fortum]]
* [[Fosamax]]
* [[Fosfomycin]]
* [[Fosinopril]]
* [[Fotexina]]
* [[Frangula]]
* [[Froben]]
* [[Froben-SR]]
* [[Froxal]]
* [[Fucidin Tablets]]
* [[Fugerel]]
* [[Fungizone Intravenous]]
* [[Fungoid lozenges]]
* [[Furadantin]]
* [[Fustaren Retard]]
* [[Fuxen]]
* [[Fuzeon]]
* [[Fybogel]]
* [[Gabitril]]
* [[Galantamine]]
* [[Galecin]]
* [[Galedol]]
* [[Ganciclovir]]
* [[Gani-Tuss NR]]
* [[Gantanol]]
* [[Gantrisin]]
* [[Gastrocram capsule]]
* [[Gavigrans]]
* [[Gefitinib]]
* [[Gelpirin]]
* [[Gemfibrizol]]
* [[Gemfibrozil]]
* [[Gemhexal]]
* [[Gen-K]]
* [[Gen-Xene]]
* [[Genahist]]
* [[Genatap Elixir]]
* [[Gengraf]]
* [[Genlac]]
* [[Genox]]
* [[Genpril]]
* [[Geocillin]]
* [[Geodon]]
* [[Gestrinone]]
* [[Giatussin with Codeine]]
* [[Giloten]]
* [[Gimalxina]]
* [[Ginkgo]]
* [[Gleevec]]
* [[Glipizide]]
* [[Glivec]]
* [[Glucobay]]
* [[Glucophage]]
* [[Glucophage XR]]
* [[Glucovance]]
* [[Glyset]]
* [[Go Kit]]
* [[Gold]]
* [[Gold Cross Antihistamine]]
* [[Gold-50 injection]]
* [[Gonal-F]]
* [[Goody’s Headache Powders]]
* [[Granocol]]
* [[Grunicina]]
* [[Guanabenz]]
* [[Guiatuss AC]]
* [[Gyne-Sulf]]
* [[H-B-Vax II]]
* [[Habitrol]]
* [[Haemophilus influenzae B Vaccine]]
* [[Halotestin]]
* [[Halotussin AC]]
* [[Haltran]]
* [[Helidac]]
* [[Hemabate]]
* [[Hemocyte]]
* [[Hepatitis B Vaccine]]
* [[Hepsera]]
* [[Heptogesic]]
* [[Herceptin]]
* [[Hexal Diclac]]
* [[Hexal Ranitic]]
* [[Hiberix]]
* [[Hicin]]
* [[Hidramox]]
* [[Histalet]]
* [[Histor-D]]
* [[Histrodrix]]
* [[Hivid]]
* [[Honvol]]
* [[Humorsol]]
* [[Hy-Pam]]
* [[Hydralazine]]
* [[Hydrate]]
* [[Hydrea]]
* [[Hydrene]]
* [[Hydrex]]
* [[Hydro-Par]]
* [[HydroDIURIL]]
* [[Hydromox]]
* [[Hydroxacen]]
* [[Hydroxocobalamin]]
* [[Hydroxyethylrutosides]]
* [[Hydroxyurea]]
* [[Hydroxyzine]]
* [[Hygroton]]
* [[Hyperstat I.V]]
* [[Hytinic]]
* [[Hyzaar]]
* [[Hyzine-50]]
* [[Ibandronate]]
* [[Ibiamox]]
* [[Ibilex]]
* [[IBU]]
* [[Ibuprin]]
* [[Ibuprofen]]
* [[Ibuprohm]]
* [[Icar]]
* [[Idarubicin]]
* [[Ikorel]]
* [[Ilocap]]
* [[Ilopan]]
* [[Ilopan-Choline]]
* [[Ilosone]]
* [[Ilosone Pulvules]]
* [[Ilotycin]]
* [[Imatinib]]
* [[Imipramine]]
* [[Imiquimod]]
* [[Imukin]]
* [[Indahexal]]
* [[Indapamide]]
* [[Inderal]]
* [[Inderide]]
* [[Inderide LA]]
* [[Indinavir]]
* [[Indo-Spray]]
* [[Indochron E-R]]
* [[Indocid]]
* [[Indocin]]
* [[Indocin SR]]
* [[Indomed]]
* [[Indomethacin]]
* [[Ineral LA]]
* [[Inerferon Alfa]]
* [[Infanrix HepB]]
* [[Infants’ Motrin]]
* [[Infergen]]
* [[Innopran XL]]
* [[Insig]]
* [[Inspra]]
* [[Insta-Char]]
* [[Intal capsule]]
* [[Interferon]]
* [[Interferon Beta]]
* [[Intron A]]
* [[Invirase]]
* [[Inza]]
* [[Iopidine]]
* [[Ipol]]
* [[Ircon]]
* [[Iressa]]
* [[Ismelin]]
* [[Isobac]]
* [[Isocet]]
* [[Isocover]]
* [[Isohexal]]
* [[Isoniazid]]
* [[Isotretinoin]]
* [[Isotrex]]
* [[IsotrexGel]]
* [[Isox]]
* [[Ispaghula]]
* [[Italnik]]
* [[Itraconazole]]
* [[Itranax]]
* [[Ivermectin]]
* [[Jezil]]
* [[K+10]]
* [[K+8]]
* [[K+Care]]
* [[K+Care ET]]
* [[K-Dur 10]]
* [[K-Dur 20]]
* [[K-G Elixir]]
* [[K-Lease]]
* [[K-Lor]]
* [[K-Lyte]]
* [[K-Lyte DS]]
* [[K-Lyte/Cl]]
* [[K-Lyte/Cl 50]]
* [[K-Mag]]
* [[K-Norm]]
* [[K-Profen]]
* [[K-Tab]]
* [[K-Vescent]]
* [[Kaletra]]
* [[Kaochlor 10%]]
* [[Kaochlor S-F]]
* [[Kaon]]
* [[Kaon-CL 20%]]
* [[Kaon-Cl-10]]
* [[Kasof]]
* [[Kay Ciel]]
* [[Kaybovite-1000]]
* [[Kaylixir]]
* [[Keduril]]
* [[Kedvil]]
* [[Keflet]]
* [[Keflex]]
* [[Keflin]]
* [[Keflor]]
* [[Keftab]]
* [[Kefurox]]
* [[Kefzol]]
* [[Kelfiprim]]
* [[Kenacomb Otic]]
* [[Kenolan]]
* [[Kenzoflex]]
* [[Keppra]]
* [[Kerlone]]
* [[Kessar]]
* [[Ketoconazole]]
* [[Ketorolac - injection and tablets]]
* [[Ketorolac Tromethamine]]
* [[Kineret]]
* [[Kinestase]]
* [[Kinidin Durules]]
* [[Kinson]]
* [[Klacid]]
* [[Klacid HP7]]
* [[Klaricid]]
* [[Klerist-D]]
* [[Klonopin]]
* [[Klor-Con]]
* [[Klor-Con 10]]
* [[Klor-Con 8]]
* [[Klor-Con/25]]
* [[Klor-Con/EF]]
* [[Kloromin]]
* [[Klorvess]]
* [[Klotrix]]
* [[Klyndaken]]
* [[Kolyum]]
* [[Kosteo]]
* [[Kredex]]
* [[Kronofed-A]]
* [[Kronofed-A Jr]]
* [[Kytril]]
* [[L-Deprenyl]]
* [[Labetalol]]
* [[Lac-Dol]]
* [[Lactulose]]
* [[Lactulose]]
* [[Lamictal]]
* [[HIV AIDS medical therapy|Anti retroviral agents]]
* [[Lamictal CD]]
* [[Chemotherapy|Chemotherapeutic agents]]
* [[Lamisil]]
* [[Antifungal drug|Antifungals]]
* [[Lamivudine]]
* [[Magnesium]]
* [[Lamotrigine]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Lamprene]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Lanophyllin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Lanorinal]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Lanoxicaps]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Lanoxin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |±
* [[Lansoprazole]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Lanvis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
* [[Larotid]]
| style="padding: 5px 5px; background: #F5F5F5;" align="Left" |
* [[Lasix]]
*[[Abdominal distention]]
* [[Latotryd]]
*[[Dehydration]]
* [[Latycin 1% Eye Ointment]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Lauricin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Laxatives]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | –
* [[Ledercillin VK]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑/↓
* [[Ledermicina]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Ledermycin]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↑
* [[Lederpax]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Ledertrexate]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Nl
* [[Leflunomide]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Lemsip Chesty Cough]]
*Elevated plasma level of drug
* [[Lemsip Flu]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |–
* [[Lemsip Pharmacy Flu Strength Nightime]]
| style="padding: 5px 5px
* [[Lenpryl]]
* [[Lescol]]
* [[Lescol XL]]
* [[Letrozole]]
* [[Leucovorin]]
* [[Leukeran]]
* [[Leuprorelin]]
* [[Leustatin]]
* [[Levamisole]]
* [[Levaquin]]
* [[Levate]]
* [[Levatol]]
* [[Levetiracetam]]
* [[Levobunolol]]
* [[Levodopa]]
* [[Levotabs]]
* [[Levothroid]]
* [[Levoxyl]]
* [[Lexapro]]
* [[Lexxel]]
* [[Limbitrol]]
* [[Limbitrol DS]]
* [[Lincocin]]
* [[Lincomycin]]
* [[Linezolid]]
* [[Lioresal]]
* [[Lipazil]]
* [[Lipex]]
* [[Lipitor]]
* [[Lipobay]]
* [[Liqui-Char]]
* [[Liroken]]
* [[Lisinopril]]
* [[Lithane]]
* [[Lithicarb]]
* [[Lithium carbonate]]
* [[Lithobid]]
* [[Lithonate]]
* [[Lithotabs]]
* [[LoCHOLEST Light]]
* [[LoCHOLEST Prevalite]]
* [[Lodimol]]
* [[Lodine]]
* [[Lodine Retard]]
* [[Lodine XL]]
* [[Lodosyn]]
* [[Lodrane LD]]
* [[Lofibra]]
* [[Logicin Congested Chesty Cough]]
* [[Logicin Cough - Dry]]
* [[Logicin Expectorant]]
* [[Logicin Flu]]
* [[Logicin Flu Day & Night]]
* [[Logicin Flu Night]]
* [[Logicin Flu Strength Night]]
* [[Logicin Hay Fever]]
* [[Logicin Junior Children’s Cough]]
* [[Loniten tablets]]
* [[Lopid]]
* [[Lopresor]]
* [[Lopressor]]
* [[Lorabid]]
* [[Loracarbef]]
* [[Losec]]
* [[Losec HP7]]
* [[Lotrel]]
* [[Lotrimin lozenges]]
* [[Lozol]]
* [[Lucrin]]
* [[Lufyllin]]
* [[Lufyllin-400]]
* [[Luritran]]
* [[Lurselle]]
* [[Luvox]]
* [[Macrobid]]
* [[Macrodantin]]
* [[Madopar]]
* [[Magicul]]
* [[Magmin]]
* [[Magnoplasm]]
* [[Malarone]]
* [[Maloprim]]
* [[Mandol]]
* [[Maosig]]
* [[Marazide]]
* [[Marcillin]]
* [[Margesic]]
* [[Marinol]]
* [[Marmine]]
* [[Marnal]]
* [[Mavik]]
* [[Maxamox]]
* [[Maxaquin]]
* [[Maxipime]]
* [[Maxolon]]
* [[Maxor]]
* [[Maxzide]]
* [[Maxzide-25]]
* [[Mazindol]]
* [[Mebendazole]]
* [[Mebhydrolin]]
* [[Meclan]]
* [[Meclomen]]
* [[Meclozine]]
* [[Medevac]]
* [[Medigesic]]
* [[Medipren]]
* [[Meditran]]
* [[Mefenamic Acid]]
* [[Mefic]]
* [[Mefoxin]]
* [[Megafol]]
* [[Melipramine]]
* [[Melizide]]
* [[Meloxicam]]
* [[Melphalan]]
* [[Menadol]]
* [[Mencevax]]
* [[Meni-D]]
* [[Meningitec]]
* [[Meningococcal Vaccine]]
* [[Menjugate]]
* [[Menomune]]
* [[Meprobamate]]
* [[Meprogesic]]
* [[Meprogesic Q]]
* [[Mepron]]
* [[Meprospan]]
* [[Merieux Inactivated Rabies Vaccine]]
* [[Mersyndol]]
* [[Mersyndol Forte]]
* [[Mesalal]]
* [[Mesalamine capsules]]
* [[Mesalamine suppositories]]
* [[Mesalamine tablets]]
* [[Mesalazine]]
* [[Mesantoin]]
* [[Mesna]]
* [[Mestatin]]
* [[Mestinon]]
* [[Metahydrin]]
* [[Metamucil]]
* [[Metaproterenol]]
* [[Metaxalone]]
* [[Metformin]]
* [[Methacycline]]
* [[Methdilazinea]]
* [[Methoblastin]]
* [[Methotrexate]]
* [[Methyclothiazide]]
* [[Methyldopa]]
* [[Methylphenobarbitone]]
* [[Metipranolol]]
* [[Metoclopramide]]
* [[Metohexal]]
* [[Metolazone]]
* [[Metolol]]
* [[Metoprolol]]
* [[Metoxiprim]]
* [[Metric 21]]
* [[Metro I.V]]
* [[MetroCream]]
* [[MetroGel]]
* [[Metrogyl]]
* [[MetroLotion]]
* [[Metronidazole]]
* [[Metronidazole tablets]]
* [[Metronide]]
* [[Metyrapone]]
* [[Mevacor]]
* [[Micardis]]
* [[Micardis HCT]]
* [[Micardis Plus]]
* [[Miconazole intravenous injection]]
* [[Micor-K Extencapse]]
* [[Micor-K LS]]
* [[Micostatin]]
* [[Micrainin]]
* [[Micro-K 10 Extencaps]]
* [[Microlax]]
* [[Microrgan]]
* [[Microzide]]
* [[Midol]]
* [[Midol-IB]]
* [[Midoride]]
* [[Mifeprex]]
* [[Mifepristone]]
* [[Miglitol]]
* [[Migral]]
* [[Milezzol]]
* [[Miltown]]
* [[Minax]]
* [[Minidiab]]
* [[Minipress]]
* [[Minipress XL]]
* [[Minizide]]
* [[Minocin]]
* [[Minocycline]]
* [[Minocycline Hydrochloride]]
* [[Minomycin]]
* [[Minoxidil tablets]]
* [[Misoprostol]]
* [[Mitroken]]
* [[Mobic]]
* [[Mobilis]]
* [[Moclebemide]]
* [[Moclobemide]]
* [[Modafinil]]
* [[Modane Soft]]
* [[Modavigil]]
* [[Moduretic]]
* [[Moexipril]]
* [[Mohexal]]
* [[Monitan]]
* [[Monocid]]
* [[Monodox]]
* [[Monopril]]
* [[Montelukast]]
* [[Monurol]]
* [[Motilium]]
* [[Motrin]]
* [[Motrin IB]]
* [[Moxacin]]
* [[Mucomyst]]
* [[Multipax]]
* [[Myambutol]]
* [[Mycelex lozenges]]
* [[Mycophenolate]]
* [[Mycostatin]]
* [[Mykrox]]
* [[Mylaramine]]
* [[Myleran]]
* [[Mylosar]]
* [[Myocrisin Injection]]
* [[Myoquin]]
* [[Myphetapp]]
* [[Mysteclin]]
* [[Mysteclin 250]]
* [[Mysteclin V]]
* [[Mytelase Caplets]]
* [[Mytussin AC]]
* [[Nabumetone]]
* [[Nadide]]
* [[Nadostine]]
* [[Nalfon]]
* [[Nalidixic Acid]]
* [[Napamide]]
* [[Naphcon-A]]
* [[Naprelan]]
* [[Naprodil]]
* [[Naprogesic]]
* [[Naprosyn]]
* [[Naproxen]]
* [[Naproxen Sodium]]
* [[Naqua]]
* [[Nardil]]
* [[Nasahist B]]
* [[Nasalcrom capsule]]
* [[Natrilix]]
* [[Naturetin]]
* [[Nature’s Own Folic Acid]]
* [[Navelbine]]
* [[Navidrex]]
* [[Navoban]]
* [[Naxen]]
* [[Naxil]]
* [[ND Clear]]
* [[ND-Stat]]
* [[Nefazodone]]
* [[Negram]]
* [[NeisVac-C]]
* [[Nelfinavir]]
* [[Neo-Calglucon]]
* [[Neo-Cytamen]]
* [[Neo-Diophen]]
* [[Neo-Mercazole]]
* [[Neoral]]
* [[Neosar]]
* [[Neostigmine]]
* [[Neosulf]]
* [[Neothylline]]
* [[Nephro-Fer]]
* [[Neucalm]]
* [[Neur-Amyl]]
* [[Neuramate]]
* [[Nevirapine]]
* [[Nexium]]
* [[Niacin]]
* [[Niacor]]
* [[Niaspan]]
* [[Nicardipine]]
* [[Nicoderm]]
* [[Nicoderm CQ]]
* [[Nicolar]]
* [[Nicorandil]]
* [[Nicorette]]
* [[Nicorette DS]]
* [[Nicorette Plus]]
* [[Nicotinamide]]
* [[Nicotine]]
* [[Nicotine chewing gum]]
* [[Nicotine inhaler]]
* [[Nicotine transdermal patch]]
* [[Nicotinell-TTS]]
* [[Nicotinex]]
* [[Nicotrol]]
* [[Nicotrol Inhaler]]
* [[Niferex]]
* [[Niferex-150]]
* [[Nilandron]]
* [[Nilstat]]
* [[Nimodipine]]
* [[Nimotop]]
* [[Nistalquim]]
* [[Nitazoxanide]]
* [[Nitrofurantoin]]
* [[Nivoflox]]
* [[Nobesine]]
* [[Nolvadex]]
* [[Nolvadex-D]]
* [[Nor-Tet]]
* [[Noritate]]
* [[Normacol Plus]]
* [[Normodyne]]
* [[Noroxin]]
* [[Norpace]]
* [[Norpace CR]]
* [[Norpramin]]
* [[Norvir]]
* [[Noten]]
* [[Novacef]]
* [[Novafed A]]
* [[Novamoxin]]
* [[Novo-Atenol]]
* [[Novo-Captopril]]
* [[Novo-Chlorhydrate]]
* [[Novo-Clopate]]
* [[Novo-Cromolyn]]
* [[Novo-Difenac]]
* [[Novo-Difenac-SR]]
* [[Novo-Diflunidal]]
* [[Novo-Diltazem]]
* [[Novo-Dipiradol]]
* [[Novo-Doxepin]]
* [[Novo-Doxylin]]
* [[Novo-Flurprofen]]
* [[Novo-Hydroxyzine]]
* [[Novo-Keto-EC]]
* [[Novo-Mepro]]
* [[Novo-Naproxen]]
* [[Novo-Nidazol]]
* [[Novo-Profen]]
* [[Novo-purol]]
* [[Novo-Rythro Encap]]
* [[Novo-Tetra]]
* [[Novo-Trimel]]
* [[Novo-Tryptin]]
* [[Novo-Zolamide]]
* [[Noxitem]]
* [[Nu-Amoxi]]
* [[Nu-Atenol]]
* [[Nu-Capto]]
* [[Nu-Cotrimox]]
* [[Nu-Diclo]]
* [[Nu-Diflunisal]]
* [[Nu-Diltiaz]]
*


==References==
==References==
{{Refbegin|2}}
{{Reflist|2}}
* Abubakar I, Aliyu SH, Arumugam C, Usman NK, Hunter PR. Treatment of cryptosporidiosis in immunocompromised individuals: systematic review and meta-analysis. Br J Clin Pharmacol. Apr 2007;63(4):387-93.
* Bellemare S, Hartling L, Wiebe N, et al. Oral rehydration versus intravenous therapy for treating dehydration due to gastroenteritis in children: a meta-analysis of randomised controlled trials. BMC Med. Apr 15 2004;2:11.
* Bharucha AE, Zinsmeister AR, Locke GR, et al. Risk factors for fecal incontinence: A population-based study in women. Am J Gastroenterol 2006;101:1305-12.
* Bryce J, Boschi-Pinto C, Shibuya K, Black RE,. WHO estimates of the causes of death in children. Lancet. Mar 26-Apr 1 2005;365(9465):1147-52.
* Charles MD, Holman RC, Curns AT, et al. Hospitalizations associated with rotavirus gastroenteritis in the United States, 1993-2002. Pediatr Infect Dis J. Jun 2006;25(6):489-93.
* Chassany O, Michaux A, Bergmann JF. Drug-induced diarrhoea. Drug Saf 2000;22:53-72.
* Claessens AA, Heerdink ER, van Eijk JT, et al. Characteristics of diarrhea in 10,008 users of lansoprazole in daily practice: Which co-factors contribute? Pharmacoepidemiol Drug Saf 2002;11:703-8.
* Coffin SE, Elser J, Marchant C, et al. Impact of acute rotavirus gastroenteritis on pediatric outpatient practices in the United States. Pediatr Infect Dis J. Jul 2006;25(7):584-9.
* De Wit MA, Koopmans MP, Korbeek LM, et al. Sensor, a population-based cohort study on gastroenteritis in the Netherlands: Incidence and etiology. Am J Epidemiol 2001;154:666-74.
* Dial S, Alrasadi K, Manoukian C, et al. Risk of Clostridium difficile diarrhea among hospital inpatients prescribed proton pump inhibitors: Cohort and case-control studies. CMAJ 2004;171:33-8.
* Dial S, Delaney JA, Barkun AN, et al. Use of gastric acid-suppressive agents and the risk of community-acquired Clostridium difficile-associated disease. JAMA 2005;294:2989-95.
* Durk T, Panther E, Muller T, et al. 5-hydroxytryptamine modulates cytokine and chemokine production in LPS primed human monocytes via stimulation of different 5-HTR subtypes. Int Immunol 2005;17:500-606.
* Faruque ASG, Malek MA, Khan AI, et al. Diarrhoea in elderly people: Aetiology and clinical characteristics. Scand J Infect Dis 2004;36:204-8.
* Fernandez-Banares F, Esteve M, Espinos JC, et al. Drug consumption and the risk of microscopic colitis. Am J Gastroenterol 2007;102:324-30.
* Gangarosa RE, Glass RI, Lew JF, et al. Hospitalizations involving gastroenteritis in the United States, 1985: The special burden of the disease among the elderly. Am J Epidemiol 1992;135:281-90.
* Girard MP, Steele D, Chaignat CL, Kieny MP. A review of vaccine research and development: human enteric infections. Vaccine. Apr 5 2006;24(15):2732-50.
* Gorard DA, Libby GW, Farthing MJG. 5-hydroxytryptamine and human small intestinal motility: Effect of inhibiting 5-hydroxytryptamine reuptake. Gut 1994; 35:496-500.
* Guandalini S, Dincer AP. Nutritional management in diarrhoeal disease. Baillieres Clin Gastroenterol. Dec 1998;12(4):697-717.
* Guandalini S, Kahn S. Acute diarrhea. In: Walker A, Goulet O, Kleinman J, et al eds. Pediatric Gastrointestinal Disease. Vol 1. Ontario, Canada: Brian C. Decker; 2008:252-64/Chapter 15.
* Guandalini S. Probiotics for children with diarrhea: an update. J Clin Gastroenterol. Jul 2008;42 Suppl 2:S53-7.
* Guandalini S. Treatment of acute diarrhea in the new millennium. J Pediatr Gastroenterol Nutr. May 2000;30(5):486-9.
* Guarino A, Albano F, Ashkenazi S, et al. European Society for Paediatric Gastroenterology, Hepatology, and Nutrition/European Society for Paediatric Infectious Diseases evidence-based guidelines for the management of acute gastroenteritis in children in Europe: executive summary. J Pediatr Gastroenterol Nutr. May 2008;46(5):619-21.
* Herikstad H, Yang S, Van Gilder TJ, et al. A population-based estimate of the burden of diarrhoeal illness in the United States: FoodNet, 1996-7. Epidemiol Infect 2002;129:9-17.
* Holt PR. Diarrhoea and malabsorption in the elderly. Gastroenterol Clin North Am 2001;30:427-44.
* Katz S, Downs TD, Cash HR, et al. Progress in the development of an index of ADL. Gerontologist 1970;10:20-30.
* King CK, Glass R, Bresee JS, Duggan C. Managing acute gastroenteritis among children: oral rehydration, maintenance, and nutritional therapy. MMWR Recomm Rep. Nov 21 2003;52:1-16.
* Kruszka PS, Hall LW Clinical inquiries. What is the differential diagnosis of chronic diarrhea in immunocompetent patients? The Journal of family practice volume=51 issue=3, 212, 2002 PMID 11978230
* Kuusi M, Aavitsland P, Gondrosen B, et al. Incidence of gastroenteritis in Norway -- a population based survey. Epidemiol Infect 2003;131:591-7.
* L'informatore farmaceutico 2002. OEMF International, Milano 2002. Guidelines for ATC classification. NLN publication no.16. Uppsala : Nordic Council on Medicines.
* Lawton MP, Brody EM. Assessment of older people: Self-maintaining and instrumental activities of daily living. Gerontologist 1969;9:179-86.
* Lew JF, Glass RI, Gangarosa RE, et al. Diarrheal deaths in the United States, 1979 through 1987. A special problem for the elderly. JAMA 1991;265:3280-4.
* Longstreth GF, Thompson WG, Chey WD, et al. Functional bowel disorders. Gastroenterology 2006;130: 1480-91.
* McFarland LV. Epidemiology, risk factors and treatments for antibiotic-associated diarrhea. Dig Dis 1998;16:292-307.
* McInnes GT, Lawson DH, Jick H. Acute adverse reactions attributed to allopurinol in hospitalized patients. Ann Rheum Dis 1981;40:245-9.
* Minami M, Taguchi S, Kikuchi T, et al. Effects of fluvoxamine, a selective serotonin reuptake inhibitor, on serotonin release from the mouse isolated ileum. Res Commun Mol Pathol Pharmacol 2003;113-4:115-31.
* O'Keefe EA, Talley NJ, Zinsmeister AR, et al. Bowel disorders impair functional status and quality of life in the elderly: A population-based study. J Gerontol A Biol Sci Med Sci 1995;50:M184-9.
* Pilotto A, Franceschi M, Vitale D, et al. for the FIRI and SOFIA Project Investigators. Drug use by the elderly in general practice: Effects on upper gastrointestinal symptoms. Eur J Clin Pharmacol 2006;62:65-73.
* Pilotto A, Franceschi M, Vitale DF, et al. Upper gastrointestinal symptoms and therapies in elderly out-patients, users of non-selective NSAIDs or coxibs. Aliment Pharmacol Ther 2005;22:147-55.
* Price A B. Pathology of drug-associated gastrointestinal disease. Br J Clin Pharmacol 2003;56:477-82.
* Ratnaike RN, Jones TE. Mechanisms of drug-induced diarrhoea in the elderly. Drugs Aging 1998;13:245-53.
* Ratnaike RN. Diarrhea in old age. In: Pilotto A, Malfertheiner P, Holt P, eds. Aging and the gastrointestinal tract. Interdiscipl Top Gerontol. Basel , Switzerland : Karger, 2003;32:187-99.
* Ruiz-Palacios GM, Perez-Schael I, Velazquez FR, et al. Safety and efficacy of an attenuated vaccine against severe rotavirus gastroenteritis. N Engl J Med. Jan 5 2006;354(1):11-22.
* Sandhu BK, Isolauri E, Walker-Smith JA, et al. A multicentre study on behalf of the European Society of Paediatric Gastroenterology and Nutrition Working Group on Acute Diarrhoea. Early feeding in childhood gastroenteritis. J Pediatr Gastroenterol Nutr. May 1997;24(5):522-7.
* Scallan E, Majowicz SE, Hall G, et al. Prevalence of diarrhoea in the community in Australia, Canada, Ireland, and the United States. Int J Epidemiol 2005;34:454-60.
* Sullivan PB. Nutritional management of acute diarrhea. Nutrition. Oct 1998;14(10):758-62.
* Svedlund J, Sjodin I, Dotevall G. GSRS -- a clinical rating scale for gastrointestinal symptoms in patients with irritable bowel syndrome and peptic ulcer disease. Dig Dis Sci 1988;33:129-34.
*  Talley NJ, O'Keefe EA, Zinsmeister AR, et al. Prevalence of gastrointestinal symptoms in the elderly: A population-based study. Gastroenterology 1992;102:895-901.
* Thomas VS, Rockwood K, McDowell I. Multidimensionality in instrumental and basic activities of daily living. J Clin Epidemiol 1998; 51:315-21.
* Thomson RD, Lestina LS, Bensen SP, et al. Lansoprazole-associated microscopic colitis: A case series. Am J Gastroenterol 2002;97:2908-13.
* Trincale E, Menon D, Topfer LA, et al. Adverse effects associated with selective serotonin reuptake inhibitors and tricyclic antidepressants: A meta-analysis. CMAJ 1998;159:1245-52.
* Vernacchio L, Vezina RM, Mitchell AA, Lesko SM, Plaut AG, Acheson DW. Diarrhea in American infants and young children in the community setting: incidence, clinical presentation and microbiology. Pediatr Infect Dis J. Jan 2006;25(1):2-7.
* Walker-Smith JA, Sandhu BK, Isolauri E, et al. Guidelines prepared by the ESPGAN Working Group on Acute Diarrhoea. Recommendations for feeding in childhood gastroenteritis. European Society of Pediatric Gastroenterology and Nutrition. J Pediatr Gastroenterol Nutr. May 1997;24(5):619-20.
{{refend}}
 
==See Also==
 
* [[Diarrhea]]
* [[Acute gastroenteritis]]
* [[Gastroenteritis]]
* [[Shigellosis]]
 
==External Links==
 
* [http://digestive.niddk.nih.gov/ddiseases/pubs/diarrhea/#cause The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)]
 
 
{{SIB}}
{{Gastroenterology}}


[[Category:Medicine]]
[[Category:Gastroenterology]]
[[Category:Gastroenterology]]
[[Category:Water-borne diseases]]
[[Category:Up-To-Date]]
[[Category:Digestive disease symptoms]]
[[Category:Conditions diagnosed by stool test]]
[[Category:Infectious diseases]]
[[Category:Signs and symptoms]]
 
{{WH}}
{{WS}}

Latest revision as of 21:22, 29 July 2020



Resident
Survival
Guide

Diarrhea Microchapters

Home

Overview

Patient Information

Classification

Acute Diarrhea
Chronic diarrhea

Differential Diagnosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Usama Talib, BSc, MD [2], Sadaf Sharfaei M.D.[3], Seyedmahdi Pahlavani, M.D. [4], Cafer Zorkun, M.D., Ph.D. [5], M.Umer Tariq [6]

Synonyms and keywords: Loose stools

Overview

Diarrhea is defined as the passage of unformed or abnormally liquid stools at an increased frequency. Diarrhea can be classified as acute or chronic. Acute diarrhea has a duration of less than 2 weeks and may be classified on the basis of etiology and presentation. On the basis of etiology, acute diarrhea may be classified into infectious and non-infectious subtypes. Subacute diarrhea is defined as a diarrhea lasting for two to four weeks. Although chronic diarrhea has multiple definitions, a current working definition is the production of loose stools for longer than 4 weeks. Frequent defecation with normal consistency is termed psuedo-diarrhea. There are 3 basic categories of chronic diarrhea: watery, fatty (malabsorption), and inflammatory (with blood and pus). The diagnosis is based on duration of symptoms, signs, microscopic stool examination and culture, stool osmolarity, and in some rare instances colonoscopy. The treatment is mainly based on severity of symptoms, etiology and availability of medications. Prevention is based on proper maintaining the filtration systems at water plants, hand wash, and effectively use of alcohol-based hand sanitizers. Vaccination for some viruses, such as Rotavirus is a part of preventive measures.

Classification

Diarrhea can be classified as acute or chronic depending on the duration of onset of symptoms. Acute and chronic diarrhea can be further classified as follows:

Classification of Acute Diarrhea


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Acute diarrhea
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Infectious
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-Infectious
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Bacterial
 
Viral
 
 
 
 
Fungal
 
Protozoa
 
 
 
 
 
Medications
 
 
Poisoning
 
 
Systemic illness
 
 
 

Classification of Chronic Diarrhea


 
 
 
 
 
 
 
 
 
 
 
 
 
Chronic diarrhea
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Watery
 
 
 
 
 
 
 
Inflammatory
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Secretory
 
 
 
 
 
 
 
Osmotic
 
 
 
 
 
 
 

Differential Diagnosis of Diarrhea of other diseases

To review the differential diagnosis of diarrhea, click here.

To review the differential diagnosis of acute diarrhea, click here.

To review the differential diagnosis of chronic diarrhea, click here.

To review the differential diagnosis of traveler's diarrhea, click here.

To review the differential diagnosis of acute watery diarrhea, click here.

To review the differential diagnosis of acute bloody diarrhea, click here.

To review the differential diagnosis of acute fatty diarrhea, click here.

To review the differential diagnosis of chronic watery diarrhea, click here.

To review the differential diagnosis of chronic bloody diarrhea, click here.

To review the differential diagnosis of chronic fatty diarrhea, click here.

To review the differential diagnosis of acute diarrhea and fever, click here.

To review the differential diagnosis of chronic diarrhea and fever, click here.

To review the differential diagnosis of acute diarrhea and abdominal pain, click here.

To review the differential diagnosis of chronic diarrhea and abdominal pain, click here.

To review the differential diagnosis of acute diarrhea and weight loss, click here.

To review the differential diagnosis of chronic diarrhea and weight loss, click here.

To review the differential diagnosis of acute diarrhea, fever, and abdominal pain, click here.

To review the differential diagnosis of chronic diarrhea, fever, and abdominal pain, click here.

To review the differential diagnosis of acute diarrhea, abdominal pain, and weight loss, click here.

To review the differential diagnosis of chronic diarrhea, abdominal pain, and weight loss, click here.

Diarrhea

The following table outlines the major differential diagnoses of diarrhea.[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30]

Abbreviations: GI: Gastrointestinal, CBC: Complete blood count, WBC: White blood cell, RBC: Red blood cell, Plt: Platelet, Hgb: Hemoglobin, ESR: Erythrocyte sedimentation rate, CRP: C–reactive protein, IgE: Immunoglobulin E, IgA: Immunoglobulin A, ETEC: Escherichia coli enteritis, EPEC: Enteropathogenic Escherichia coli, EIEC: Enteroinvasive Escherichia coli, EHEC: Enterohemorrhagic Escherichia coli, EAEC: Enteroaggregative Escherichia coli, Nl: Normal, ASCA: Anti saccharomyces cerevisiae antibodies, ANCA: Anti–neutrophil cytoplasmic antibody, DNA: Deoxyribonucleic acid, CFTR: Cystic fibrosis transmembrane conductance regulator, SLC10A2: Solute carrier family 10 member 2, SeHCAT: Selenium homocholic acid taurine or tauroselcholic acid, IEL: Intraepithelial lymphocytes, MRCP: Magnetic resonance cholangiopancreatography, ANA: Antinuclear antibodies, AMA: Anti-mitochondrial antibody, LDH: Lactate dehydrogenase, CPK: Creatine phosphokinasePCR: Polymerase chain reaction, ELISA: Enzyme–linked immunosorbent assay, LT: Heat–labile enterotoxin, ST: Heat–stable enterotoxin, RT-PCR: Reverse–transcriptase polymerase chain reaction, CD4: Cluster of differentiation 4, HIV: Human immunodeficiency virus, RUQ: Right-upper quadrant, VIP: Vasoactive intestinal peptide, GI: Gastrointestinal, FAP: Familial adenomatous polyposis, HNPCC: Hereditary nonpolyposis colorectal cancer, MTP: Microsomal triglyceride transfer protein, Scl‑70: Anti–topoisomerase I, TSH: Thyroid-stimulating hormone, T4: Thyroxine, T3: Triiodothyronine, DTR: Deep tendon reflex, RNA: Ribonucleic acid

Categories Cause Clinical manifestation Lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Symptoms GI signs
Duration Diarrhea Fever Abdominal pain Weight loss
Stool exam CBC Other lab findings
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Gastrointestinal Crohn's disease + + + + ± + + + + Nl
  • Abnormal immune response to self antigens
Ulcerative colitis + + + + ± + + + + Nl
  • Abnormal immune response to self antigens
Celiac disease + ± ± + + Nl Nl Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Cystic fibrosis + + ± + + Nl Nl Nl
Chronic pancreatitis + + + + + Nl Nl Nl Nl
Bile acid malabsorption + + + + Nl Nl Nl Nl
Microscopic colitis + + + + Nl Nl Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Infective colitis + + + + + + + + + Nl
Ischemic colitis + + + + + + + + + Nl
Lactose intolerance + + + + Nl Nl Nl
  • Lactose tolerance test
  • Genetic testing
  • Reduction of lactase enzyme activity or inability to produce persistent lactase
  • Congenital lactase deficiency
  • Secondary lactose malabsorption
Irritable bowel syndrome + ± ± ± Nl Nl Nl Nl Nl
  • Unknown
  • Diagnosis of exclusion
Infection Bacterial Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Whipple's disease + + + ± + + Nl ↓/↑
Tropical sprue + + + + + + + + Nl Nl Nl
  • Diagnosis of exclusion
Small bowel bacterial overgrowth + + + + + + Nl Nl Nl
  • Diagnosis of exclusion
Pseudomembranous enterocolitis + + ± + + ± + + Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
 Campylobacteriosis + + + + + + + Nl Nl Nl Nl
Salmonellosis + + + + + + + + Nl Nl
Shigellosis + + + + + + + Nl ↑/↓
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Escherichia coli enteritis ETEC

(Traveler's diarrhea)

+ + + + Nl Nl Nl
EPEC + + + + + + + + + Nl Nl Nl
EIEC + + + + + + + Nl Nl Nl
EHEC + + + + + + Nl
EAEC + + + + + + + Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Yersinia enterocolitica + + + + + + + Nl Nl Nl
Vibrio cholera + + + + Nl Nl Nl
Aeromonas + + + + + + + + Nl Nl Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Plesiomonas + + + + + + + Nl Nl Nl
Mycobacterium avium complex + + + + + + + + Nl Nl
Food poisoning + + ± + + ± + ± Nl Nl Nl
  • History of travel or ingestion of infected food
Virus Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Norovirus + + + + Nl Nl Nl
  • Clinical diagnosis
Rotavirus + + + + Nl Nl Nl Nl
  • Stool immune–based assays
Echovirus + + + + Nl Nl Nl Nl
  • Clinical diagnosis
Adenovirus + + + + Nl
  • Viral antigen assay
Nl Nl Nl
  • Clinical diagnosis
CMV colitis + + + ± + + + Nl
  • Viral antigen assay
Nl Nl
HIV + + + + + + Nl Nl
  • HIV virologic (viral load) test
  • Immunoassay 
Parasite Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Entamoeba histolytica + + + + + + + + + Nl Nl Nl
  • Antigen testing
  • Serology 
Giardia + + + + + + Nl Nl Nl Nl
  • Antigen detection assays
Cryptosporidium + + + + + Nl
  • Positive stool microscopy
Nl Nl Nl
  • Polymerase chain reaction
Microsporidia + + + + + + Nl
  • Positive stool microscopy
Nl Nl Nl
  • Decreased CD4 count
  • Antigen detection assays
Isospora + + + + + + + + + + Nl Nl Nl
  • Detecting oocysts in the feces
Tumors Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Carcinoid tumor + + + + + + Nl Nl Nl
VIPoma + + + + + + Nl Nl Nl
  • Primary secretory tumor
  • Blood VIP levels
  • Followed by imaging
Zollinger–Ellison syndrome + + + + + + Nl Nl
Somatostatinoma + + + + Nl Nl Nl
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Lymphoma + + + + + + + Nl Nl Nl
  • Primary tumor of GI tract
Colorectal cancer + + + + + + + Nl Nl Nl
Medication/Toxicity Medications + + + ± ± + + ↑/↓ Nl Nl
  • Elevated plasma level of drug
  • Clinical evaluation after discontinuation of the drugs
Factitious diarrhea + + + + + ↑/↓ Nl Nl Nl
  • Clinical evaluation after discontinuation of the drugs
Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Heavy metal ingestion + + + + Nl Nl Nl Nl
  • Elevated plasma heavy metal level
  • Plasma level of heavy metal
Organophosphate poisoning + + + + Nl Nl Nl Nl
  • Clinical diagnosis
Opium withdrawal + + + + Nl Nl Nl Nl
Iatrogenic Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Short bowel syndrome + + + + + Nl Nl
Radiation enteritis + + + + + + + + + Nl Nl Nl
Dumping syndrome + + + + Nl Nl Nl Nl
Others Cause Duration Diarrhea Fever Abdominal pain Weight loss GI signs Stool exam CBC Other lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Abetalipoproteinemia + + + + + Nl Nl Nl Nl
Hyperthyroidism + + ± + + Nl Nl Nl Nl
Diabetic neuropathy + + + + + Nl Nl Nl
Systemic sclerosis + + ± + + + + Nl Nl Nl
  • Clinical diagnosis
  • Followed by serologic tests

Related Chapters

References

  1. Casburn-Jones, Anna C; Farthing, Michael Jg (2004). "Traveler's diarrhea". Journal of Gastroenterology and Hepatology. 19 (6): 610–618. doi:10.1111/j.1440-1746.2003.03287.x. ISSN 0815-9319.
  2. Kamat, Deepak; Mathur, Ambika (2006). "Prevention and Management of Travelers' Diarrhea". Disease-a-Month. 52 (7): 289–302. doi:10.1016/j.disamonth.2006.08.003. ISSN 0011-5029.
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