title: Diarrhoea due to small bowel diseases.
abstract: Small intestinal diseases are a common, though often overlooked cause of diarrhoeal illness. Fully 1% of the Caucasian population are affected by coeliac disease and a substantial portion of children living in poverty in the developing world are affected by environmental enteropathy. These are but two examples of the many diseases that cause mucosal injury to the primary digestive and absorptive organ in our body. While diarrhoea may be a common, though not universally seen symptom of small bowel mucosal disease, the consequent malabsorption can lead to substantial malnutrition and nutrient deficiencies. The small intestine, unlike the colon, has been relatively inaccessible, and systematic evaluation is often necessary to identify and treat small intestinal mucosal diseases that lead to diarrhoea. Immunodeficiency states, including HIV enteropathy, adult autoimmune enteropathy, drug-associated enteropathy, and tropical sprue continue to occur and require specific therapy. All patients with severe diarrhoea or diarrhoea associated with features suggestive of malabsorption may have a disease of the small intestinal mucosa that requires careful evaluation and targeted management.
authors: Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA. Murray.joseph@mayo.edu
authors: Joseph A
authors: JA
authors: Murray
authors: Alberto
authors: A
authors: Rubio-Tapia
mesh_terms: D000465:Algorithms; D000900:Anti-Bacterial Agents / Q000009:adverse effects; D001765:Blind Loop Syndrome / Q000150:complications / Q000175:diagnosis / Q000628:therapy; D002446:Celiac Disease / Q000150:complications / Q000175:diagnosis / Q000628:therapy; D002908:Chronic Disease; D003967:Diarrhea / Q000209:etiology*; D006801:Humans; D007421:Intestine, Small / Q000382:microbiology; D008286:Malabsorption Syndromes / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D016884:Polyendocrinopathies, Autoimmune / Q000150:complications / Q000628:therapy; D013182:Sprue, Tropical / Q000150:complications; D008061:Whipple Disease / Q000150:complications / Q000628:therapy
chemical_list: D000900:Anti-Bacterial Agents
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