Sigmoidoscopy and colonoscopy may help in the diagnosis of conditions such as melanosis coli due to laxative abuse, amebiasis, polyps, ulceration, Crohn's disease, and ulcerative colitis. Upper GI endoscopy and biopsy help in the diagnosis of Crohn's disease, giardiasis, intestinal lymphoma, lymphangiectasia, eosinophilic gastroenteritis, Whipple's disease, mastocytosis, abetalipoproteinemia, fungal and protozoal infections.
Acute diarrhea other diagnostic studies
Chronic diarrhea other diagnostic studies
Chronic diarrhea differential diagnosis
Ileus other diagnostic studies
Increased bowel sounds other diagnostic studies
Chronic diarrhea risk factors
Bowel obstruction other diagnostic studies
Irritable bowel syndrome other diagnostic studies