If you are experiencing a medical emergency please dial 911 immediately
Ulcerative colitis makes swelling, inflammation, and sores in the lining of the large intestine (colon) and causes diarrhea, belly pain, and bleeding from the rectum. It's a lifelong condition, but in most people the symptoms come and go.
Medicines can stop or reduce symptoms and prevent flare-ups. If the disease is severe, you may need surgery to remove the colon.
Last Revised: October 8, 2012
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & Peter J. Kahrilas, MD - Gastroenterology
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