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Definition
By Mayo Clinic staffIrritable bowel syndrome (IBS) is a common disorder that affects the large intestine (colon). Irritable bowel syndrome commonly causes cramping, abdominal pain, bloating gas, diarrhea and constipation. Despite these uncomfortable signs and symptoms, IBS doesn't cause permanent damage to your colon.
Most people with IBS find that symptoms improve as they learn to control their condition. Only a small number of people with irritable bowel syndrome have severe signs and symptoms.
Fortunately, unlike more-serious intestinal diseases such as ulcerative colitis and Crohn's disease, irritable bowel syndrome doesn't cause inflammation or changes in bowel tissue or increase your risk of colorectal cancer. In many cases, you can control irritable bowel syndrome by managing your diet, lifestyle and stress.
- Irritable bowel syndrome. The National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/ibs/. Accessed June 2, 2009.
- Talley NJ. Irritable bowel syndrome. In: Feldman M, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2006. http://www.mdconsult.com/das/book/body/141404551-3/848454280/1389/868.html#4-u1.0-B1-4160-0245-6..50120-7_5467. Accessed June 2, 2009.
- Irritable bowel syndrome (IBS). The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec02/ch021666/ch021666a.html. Accessed June 2, 2009.
- Wald A. Treatment of irritable bowel syndrome. http://www.uptodate.com/home/index.html. Accessed June 2, 2009.
- Kligler B, et al. Probiotics. American Family Physician. 2008;78:1073.
- Chun AB, et al. Clinical manifestations and diagnosis of irritable bowel syndrome. http://www.uptodate.com/home/index.html. Accessed June 2, 2009.
- Saito YA. Genes and irritable bowel syndrome: Is there a link? Current Gastroenterology Reports. 2008;10:355.
- Picco MF (expert opinion). Mayo Clinic, Rochester, Minn. June 6, 2009.
