DIARRHEA - CHRONIC
A. Iatrogenic dietary factors: excess tea, coffee, cola, sugars, etc.
B. Irritable bowel syndrome
C. Inflammatory bowel disease: Ulcerative colitis, Crohn's enteritis.
D. Infective enteritis: amebiasis, Giardiasis, etc.
E. Lactose intolerance: milk product
F. Laxative abuse
G. Drug induced: antacids, antibiotics, antiarrhythmics, etc.
H. Diverticular disease
I. Malbsorption syndromes
J. Metabolic: diabetes, hyperthyroidism, adrenal insufficiency, etc.
K. Mechanical: fecal impaction
L. Malignancy/Tumor: Colon tumor (esp. villous adenoma), pancreatic Ca, Carcinoid syndrome, thyroid medullary Ca, GI tumors producing VIP, gastrinoma.