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Definition
By Mayo Clinic staffDiarrhea describes loose, watery stools that occur more frequently than usual. You may also experience abdominal cramps and a greater volume of stool. Diarrhea varies in specific symptoms, severity and duration.
Acute diarrhea usually lasts for a few days and is typically caused by an infection of some sort — caused by bacteria, viruses or parasites.
Chronic diarrhea persists longer than does acute diarrhea, generally longer than four weeks. Chronic diarrhea can indicate a serious disorder, such as ulcerative colitis or Crohn's disease, or a less serious condition, such as irritable bowel syndrome.
References
- Diarrhea. National Institute for Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/diarrhea/index.htm. Accessed May 12, 2010.
- Ferri FF. Ferri's Clinical Advisor 2010. Philadelphia, Pa.: Mosby; 2009. http://www.mdconsult.com/das/book/body/200844987-2/0/2088/0.html. Accessed May 12, 2010.
- Schiller LR, et al. Diarrhea. In: Feldman M, et al. Sleisinger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa.: Saunders; 2010. http://www.mdconsult.com/book/player/linkTo?type=bookHome&isbn=978-1-4160-6189-2&eid=4-u1.0-B978-1-4160-6189-2..X0001-7--TOP&uniq=200844987-3. Accessed May 12, 2010.
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