Chronic diarrhea differential diagnosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Omodamola Aje B.Sc, M.D. [2]
Overview
Differential diagnosis
It is important to differentiate chronic diarrhea based on the kind of diarrhea that is produced. Chronic diarrhea can be subdivided into three major types; fatty, inflammatory, or watery. Watery chronic diarrhea can then further be sub-divided into osmotic or secretory diarrhea. Below is a list of differential Diagnosis of Chronic Diarrhea by Stool Characteristics.[1]
- Watery diarrhea
Osmotic diarrhea
Carbohydrate malabsorption Osmotic laxatives (eg, Mg++, PO4−3, SO4–2) Secretory diarrhea Bacterial toxins Bile acid malabsorption IBD (some cases) Crohn's disease Microscopic colitis Collagenous colitis Lymphocytic colitis Medications and toxins Disordered motility Diabetic autonomic neuropathy IBS Postsympathectomy diarrhea Postvagotomy diarrhea Endocrinopathies Addison's disease Neuroendocrine tumors Hyperthyroidism Mastocytosis Medullary carcinoma of the thyroid Idiopathic secretory diarrhea (epidemic and sporadic) Stimulant laxative abuse Neoplasia Colon carcinoma Lymphoma Villous adenoma Vasculitis Inflammatory diarrhea Diverticulitis Infectious diseases Invasive bacterial infections (eg, tuberculosis, yersinosis) Invasive parasitic infections (eg, amebiasis, strongyloidiasis) Pseudomembranous colitis Ulcerating viral infections (eg, cytomegalovirus, herpes simplex virus) IBD (most cases) Crohn's disease Ulcerative colitis Ulcerative jejunoileitis Microscopic colitis (some cases) Ischemic colitis Neoplasia Colon cancer Lymphoma Radiation colitis Fatty diarrhea Malabsorption syndromes Mesenteric ischemia Mucosal diseases (eg, CD, Whipple's disease) SBS SIBO Maldigestion Inadequate luminal bile acid concentration Pancreatic exocrine insufficiency
References
- ↑ Lacy, Brian E.; Mearin, Fermín; Chang, Lin; Chey, William D.; Lembo, Anthony J.; Simren, Magnus; Spiller, Robin (2016). "Bowel Disorders". Gastroenterology. 150 (6): 1393–1407.e5. doi:10.1053/j.gastro.2016.02.031. ISSN 0016-5085.