Pharyngitis: Difference between revisions

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Allergic pharynigits,
Allergic pharynigits,
[[Angina tonsillaris]],
[[Angina tonsillaris]],
[[Epiglottitis]],
[[Fungal pharyngitis]],
[[Laryngeal cancer]],
[[Laryngeal cancer]],
[[Laryngitis]],
[[Laryngitis]],
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
| '''Gastroenterologic'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| [[GERD]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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|bgcolor="Beige"|  
|bgcolor="Beige"|  
[[Anthrax]],
[[Anthrax]],
[[Adenovirus]],
[[Arcanobacterium]],
[[Arcanobacterium]],
[[Candida Albicans]],
[[Chlamydia pneumoniae]],
[[Coronavirus]],
[[Coxsackie A virus]],
[[Coxsackie A virus]],
[[Coxsackie B ]],
[[Coxsackie B ]],
[[Cryptococcus]],
[[Cytomegalovirus]],
[[Cytomegalovirus]],
[[Diphtheria]],
[[Diphtheria]],
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[[Moraxella catarrhalis]],
[[Moraxella catarrhalis]],
[[Mumps]],
[[Mumps]],
[[Parainfluenza]],
[[Pneumococcus]],
[[Pneumococcus]],
[[Poliovirus]],
[[Poliovirus]],
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| '''Oncologic'''
| '''Oncologic'''
|bgcolor="Beige"| [[Laryngeal cancer]],
|bgcolor="Beige"| [[Laryngeal cancer]],
 
[[Lymphoma]]
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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[[Kikuchi-Fujimoto disease]],
[[Kikuchi-Fujimoto disease]],
[[Kawasaki disease]],
[[Kawasaki disease]],
[[Lymphadenitis]],


|-
|-
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|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
| '''Trauma'''
| '''Trauma'''
|bgcolor="Beige"| No underlying causes
|bgcolor="Beige"| Trauma to the throat
|-
|-
|-bgcolor="LightSteelBlue"
|-bgcolor="LightSteelBlue"
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| '''Miscellaneous'''
| '''Miscellaneous'''
|bgcolor="Beige"| [[Chronic Fatigue Syndrome]],
|bgcolor="Beige"| [[Chronic Fatigue Syndrome]],
 
[[Foreign body]]
[[Chemical burns]]
|-
|-
|}
|}

Revision as of 16:46, 8 May 2009

Pharyngitis
Viral pharyngitis.
The oropharynx is swollen and red.
ICD-10 J02, J31.2
ICD-9 462, 472.1
DiseasesDB 24580
MedlinePlus 000655
eMedicine emerg/419 
MeSH D010612

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [5]

Please Take Over This Page and Apply to be Editor-In-Chief for this topic: There can be one or more than one Editor-In-Chief. You may also apply to be an Associate Editor-In-Chief of one of the subtopics below. Please mail us [6] to indicate your interest in serving either as an Editor-In-Chief of the entire topic or as an Associate Editor-In-Chief for a subtopic. Please be sure to attach your CV and or biographical sketch.

See also Strep throat.

Definition

Pharyngitis (far-in-jī' tis) is a painful inflammation of the pharynx, and is colloquially referred to as a sore throat. Infection of the tonsils, tonsillitis may occur simultaneously.

The major cause is infection, of which about 90% are viral, the remainder caused by bacterial infection and rarely oral thrush (fungal candidiasis e.g. in babies). Some cases of pharyngitis are caused by irritation from elements such as pollutants or chemical substances.

Causes

The pharynx is often the first site of infection for many contagious diseases such as the common cold. This is because viruses and bacteria often settle in this part of the body after a person inhales dust or water vapor containing the microorganism. Infection can also arise when a person touches their nose or mouth after having touched an object shared with another person with the disease. The foreign invader reproduces rapidly after settling on the body tissue.

Viral sore throats

These comprise about 90% of all infectious cases and can be a feature of many different types of viral infections.

Bacterial sore throats

Group A streptococcal

See also Strep throat

The most common bacterial agent is streptococcus. Unlike adenovirus, there tends to be greater generalized symptoms and more signs to find. Typically enlarged and tender lymph glands, with bright red inflamed and swollen throat, the patient may have a high temperature, headache, and aching muscles (myalgia) and joints (arthralgia). It may be impossible to distinguish between viral and bacterial causes of sore throat.[1]

Some immune-system meditated complications may occur:

  • Scarlet fever with its vivid rash, although the milder disease seen after the 1950's suggests that the bacteria may have mutated to less virulent illness and some doctors now call this scarlatina (literally a 'little scarlet fever')
  • Historically the most important complication was of the generalised inflammatory disorder of rheumatic fever which could later result in Rheumatic heart disease affecting the valves of the heart. Antibiotics may reduce the incidence of this complication to under one-third.[2]However the incidence of rheumatic fever in developed-regions of the world remains low even though the use of antibiotics has been declining.[3][4]This may be a result of a change in the prevalence of various strains of bacteria. In underdeveloped regions, untreated streptococcal infection can still give rise to rheumatic heart disease and may be due to environmental factors, or reflect a genetic predisposition of the patient to the disease.
  • Post-streptococcal glomerulonephritis is an inflammation of the kidney. It is disputed whether antibiotics might reduce[5] the small risk of this or not.[2]
  • Very rarely there may occur a secondary infection behind the tonsils which may cause a life-threatening septicaemia (Lemierre's syndrome)

Diphtheria

Diphtheria is a potentially life threatening upper respiratory infection caused by Corynebacterium diphtheriae which has been largely eradicated in developed nations since the introduction of childhood vaccination programs, but is still reported in the Third World and increasingly in some areas in Eastern Europe. Antibiotics are effective in the early stages, but recovery is generally slow.

Complete Differential Diagnosis of the Causes of Sore throat

(In alphabetical order)




Complete Differential Diagnosis of the Causes of Sore throat

(By organ system)

Cardiovascular No underlying causes
Chemical / poisoning

Acetic acid, Grape seed extract, Sodium dichloroisocyanurate,


Dermatologic No underlying causes
Drug Side Effect

Abacavir, Abatacept Injection (patient information), Acetazolamide Oral, Acetohexamide , Aciclovir, Acyclovir , Adalimumab , Adefovir , Alefacept , Alfuzosin , Allopurinol , Altretamine , Amikacin Sulfate , Amiloride and Hydrochlorothiazide , Amobarbital , Amphotericin B , Ampicillin Sodium , Anagrelide , Anakinra , Anastrozole , Anisindione , Anticholinergic, Antihemophilic Factor (Human) , Antihemophilic Factor (Recombinant) , Asparaginase , Atorvastatin , Auranofin , Azelastine Ophthalmic , Aztreonam , Benazepril , Bevacizumab , Bortezomib , Bosentan , Brinzolamide Ophthalmic , Budesonide Inhalation Powder , Bumetanide , Buspirone, Busulfan , Butabarbital , Butorphanol Nasal Spray , Candesartan , Capecitabine , Captopril , Carteolol , Cefadroxil , Cefamandole Nafate , Cefazolin Sodium , Cefepime , Cefoperazone Sodium , Cefotaxime Sodium , Cefotetan Disodium , Cefoxitin Sodium , Cefpodoxime , Ceftazidime , Ceftizoxime Sodium , Ceftriaxone Sodium , Cefuroxime Sodium , Cephalexin , Cephradine , Cetuximab , Chlorambucil , Chlorothiazide , Chlorpropamide , Chlorthalidone , Cilostazol , Cladribine , Clofarabine , Clofibrate, Co-trimoxazole , Cromolyn Sodium Oral Inhalation , Cyanocobalamin Nasal , Cytarabine , Dacarbazine , Dactinomycin , Danazol , Darbepoetin Alfa , Daunorubicin , Desloratadine , Dexmethylphenidate, Diclofenac and Misoprostol , Diethylpropion , Diphtheria, Disopyramide , Docetaxel , Dornase Alfa , Doxorubicin , Efalizumab , Efavirenz , Emtricitabine , Enalapril , Epinastine Ophthalmic , Epirubicin , Epoetin Alfa , Eprosartan , Erlotinib , Erythromycin and Sulfisoxazole , Etanercept , Ethacrynic Acid , Ethosuximide Oral , Etodolac , Etoposide Oral and , Ezetimibe , Fentanyl Skin Patches , Flavoxate , Floxuridine , Flunisolide Nasal Inhalation , Fluorouracil , Fluphenazine , Fluticasone and Salmeterol Oral Inhalation , Formoterol , Fosamprenavir , Foscarnet Sodium , Fosinopril , Fulvestrant , Furosemide , Gabapentin , Ganciclovir , Gatifloxacin , Gemcitabine Hydrochloride , Glatiramer , Glipizide , Glyburide , Grifulvin V, Griseofulvin , Hydrochlorothiazide , Ibandronate , Ifosfamide , Imatinib , Imipenem and Cilastatin Sodium , Infliximab , Insulin Human (rDNA Origin) Inhalation , Interferon beta-1a Intramuscular , Ipratropium and Albuterol Inhalation , Irbesartan , Ketotifen Ophthalmic , Levetiracetam , Lisinopril , Lomustine , Loratadine , Losartan , Mechlorethamine , Mefenamic acid, Melphalan , Meprobamate , Mercaptopurine, Mesalamine , Methimazole , Methotrexate , Methsuximide Oral , Methyclothiazide , Metolazone , Metoprolol, Minocycline, Mitomycin , Modafinil , Moexipril , Moxifloxacin ophthalmic , Nafcillin Sodium , Natalizumab , Nedocromil oral inhalation , Nisoldipine , Olopatadine ophthalmic , Oxacillin Sodium , Oxaliplatin , Oxcarbazepine , Paclitaxel, Palivizumab , Pamidronate , Peginterferon alfa-2a , Penicillin G Potassium or Sodium , Pentamidine Isethionate , Pentostatin , Perindopril , Phenobarbital , Phenytoin oral , Pindolol , Pioglitazone , Piperacillin sodium , Plicamycin , Pramlintide , Prazosin and polythiazide , Primaquine , Primidone , Procarbazine , Promethazine , Propafenone , Propranolol Oral , Propylthiouracil , Quetiapine , Quinapril , Ramipril , Ranitidine bismuth citrate , Rifabutin , Risedronate , Risperidone , Rituximab , Ropinirole , Rosiglitazone , Rosuvastatin , Salmeterol oral inhalation , Secobarbital , Sibutramine , Silver sulfadiazine , Sitagliptin , Sodium dichloroisocyanurate, Sodium oxybate , Spironolactone , Streptozocin , Sulfadiazine , Sulfasalazine , Sulfinpyrazone , Sulfisoxazole , Tamsulosin , Telmisartan , Teniposide , Terbinafine , Teriparatide (rDNA origin) , Thioguanine , Thiotepa , Ticarcillin Disodium , Ticlopidine , Tiotropium Oral Inhalation , Tocainide , Tolazamide , Tolbutamide , Topotecan Hydrochloride , Trandolapril , Trastuzumab , Trazodone, Triamcinolone Nasal Inhalation , Trimethadione , Trimipramine , Valproic Acid , Verapamil and Trandolapril , Vinblastine , Vinorelbine Tartrate , Zalcitabine , Zolmitriptan Nasal , Zonisamide ,


Ear Nose Throat

Acute viral nasopharyngitis (common cold), Allergic pharynigits, Angina tonsillaris, Epiglottitis, Fungal pharyngitis, Laryngeal cancer, Laryngitis, Oropharyngeal lesion, Peritonsillar abscess, Post-nasal drip, Sinusitis, Thyroiditis, Tonsillitis, Tonsillolith, Tracheobronchitis, Retropharyngeal abscess,


Endocrine No underlying causes
Environmental Smoke
Gastroenterologic GERD
Genetic No underlying causes
Hematologic Neutropenia,

Leukemia,

Iatrogenic Endoscopy,

Invisalign, Nasogastric intubation, Radiation, Uvulopalatopharyngoplasty,

Infectious Disease

Anthrax, Adenovirus, Arcanobacterium, Candida Albicans, Chlamydia pneumoniae, Coronavirus, Coxsackie A virus, Coxsackie B , Cryptococcus, Cytomegalovirus, Diphtheria, Duke's disease, Ebola, Enterovirus, Epstein-Barr Virus, Fusobacterium, Gonococcal Infections, Group A streptococcal infection, Hantavirus pulmonary syndrome, Herpangina, Herpesviridae, Histoplasma, Human parainfluenza viruses, Infectious mononucleosis, Influenza, Lassa Fever, Lemierre's syndrome, Moraxella catarrhalis, Mumps, Parainfluenza, Pneumococcus, Poliovirus, Q Fever, Rabies, Rhinovirus, Scarlet fever, Severe acute respiratory syndrome, Staphylococcus aureus Strep throat, Syphillis, Tularemia, Mycobacterium, Mycoplasma,

Musculoskeletal / Ortho No underlying causes
Neurologic Encephalitis lethargica,
Nutritional / Metabolic Ariboflavinosis,
Obstetric/Gynecologic No underlying causes
Oncologic Laryngeal cancer,

Lymphoma

Opthalmologic No underlying causes
Overdose / Toxicity

Cocaine, Hydrogen sulfide, Methotrexate (patient information), Peginterferon alfa-2a (patient information),

Psychiatric No underlying causes
Pulmonary No underlying causes
Renal / Electrolyte No underlying causes
Rheum / Immune / Allergy Hay fever,

Kikuchi-Fujimoto disease, Kawasaki disease, Lymphadenitis,

Sexual No underlying causes
Trauma Trauma to the throat
Urologic No underlying causes
Miscellaneous Chronic Fatigue Syndrome,

Foreign body Chemical burns

Treatment

There are three types of treatment: symptomatic, remedial and preventive. Symptomatic treatments are aimed at reducing pain and symptoms. Remedial treatments attempt to cure pharyngitis by reducing its spread and speeding up the healing process. Preventive treatments attempt to block the start of an infection.

Remedial treatments are mostly effective for bacterial infections such as streptococcal infections. For viral infections, even with treatment, most cases of pharyngitis will still settle spontaneously within a few days. Hence the most popular method of treatment is symptomatic. Many preventive treatments are also remedial, thus those two treatments will be listed in the same section.

Twenty-two non-antibiotic managements for sore throat have been studied in controlled trials.[6]Analgesics are among the most effective, but there are many simple measures that can also be used.

Symptomatic treatments

  • Analgesics such as NSAIDs can help reduce the pain associated with a sore throat.[6]
  • Throat lozenges (cough medicine) are often used for short-term pain relief.
  • Avoid foods and liquids highly acidic in nature, as they will provoke temporary periods of intense pain
  • Warm tea (true or Tisane) or soup can help temporarily alleviate the pain of a sore throat.
  • Cold beverages, popsicles and ice cubes numb the nerves of the throat somewhat, alleviating the pain for a brief time.
  • Mouthwash (when gargled) reduces the pain but only for a brief time.
  • Drinking heavy amounts of liquid reduces the pain for a short time.
  • Peppermint candy might help with some cases as well as other hard candies. It will reduce the pain for a short time.
  • Yogurt has been shown to help alleviate the pain temporarily by coating the affected area. Milk also has the same effect.
  • Gargling with warm saline solution may help reduce mucus. [7] While it is a popular household remedy, there is little evidence that it provides any long-term benefit.

Remedial and preventive treatments

Performing remedial treatments early when your throat begins to feel scratchy may help the infection from spreading to the rest of the throat and back of the mouth, which can result in difficulty in swallowing. Treatment should begin the first or second day of your illness, however if you have a cold or the flu, the infection may still continue to spread to other areas such as the ears through the eustachian tube (causing an earache) and to the lungs through the trachea (causing a cough). Healthy people who will be in frequent contact with someone with Pharyngitis may also try the measures below, of which some can be also be preventive, to help inhibit the start of an infection.

  • The use of antibiotics is a helpful remedial treatment when a bacterial infection is the cause of the sore throat. For viral sore throats, antibiotics have no effect.[2]
  • Honey has long been used for treating sore throats due to its antiseptic properties.[8]
  • Swallowing a couple teaspoons of raw lemon or lime juice several times a day may help destroy microorganisms in bacteria-related throat infections. [9] Research also shows that lemon juice may destroy some viruses such as HIV. [10][11]. This remedy should be started during the first or second day of sickness as citric acid can irritate your throat tissues after the Pharyngitis becomes too widespread. If this is the case, you may try a diluted solution of lemon, honey and tea (or lemon with hot water). [12]

References

  1. Del Mar C (1992). "Managing sore throat: a literature review. I. Making the diagnosis". Med. J. Aust. 156 (8): 572–5. PMID 1565052.
  2. 2.0 2.1 2.2 Del Mar CB, Glasziou PP, Spinks AB. (2004). "Antibiotics for sore throat". The Cochrane Database of Systematic Reviews (Issue 2): Art. No.: CD000023.pub2. doi:10.1002/14651858.CD000023.pub2. - Meta-analysis of published research
  3. "Antibiotics for sore throat to prevent rheumatic fever: Yes or No? How the Cochrane Library can help". CMAJ. 171 (7). 2004. doi:10.1503/cmaj.1041275. Unknown parameter |month= ignored (help) - Canadian Medical Association Journal commentary on Cochrane analysis
  4. "Treatment of sore throat in light of the Cochrane verdict: is the jury still out?". MJA. 177 (9): 512–515. 2002. - Medical Journal of Australia commentary on Cochrane analysis
  5. Zoch-Zwierz W, Wasilewska A, Biernacka A, Tomaszewska B, Winiecka W, Wierciński R, Porowski T (2001). "[The course of post-streptococcal glomerulonephritis depending on methods of treatment for the preceding respiratory tract infection]". Wiad Lek. 54 (1–2): 56–63. PMID 11344703.
  6. 6.0 6.1 Thomas M, Del Mar CB, Glasziou P. (2000). "How effective are treatments other than antibiotics for acute sore throat?" (PDF). Br J GP. 50 (459): 817–820. PMID 11127175.
  7. "Sore throat: Self-care - MayoClinic.com". Retrieved 2007-09-17.
  8. Ramoutsaki I, Papadakis C, Ramoutsakis I, Helidonis E (2002). "Therapeutic methods used for otolaryngological problems during the Byzantine period". Ann. Otol. Rhinol. Laryngol. 111 (6): 553–7. PMID 12090712.
  9. [1]
  10. [2]
  11. [3]
  12. [4]

Template:Respiratory pathology Template:SIB

ca:Faringitis de:Pharyngitis he:דלקת גרון id:Faringitis it:Faringite nl:Keelontsteking fi:Nielutulehdus yi:האלז ווייטאג


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