Ulcerative colitis
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Inflammatory bowel disease
Ulcerative colitis is an inflammatory bowel disease (IBD) that causes ongoing inflammation and ulcers (open sores) in the innermost layers of the large intestine (colon) and rectum. The ulcers bleed and produce pus and mucus, and the inflammation causes the colon to empty frequently, causing diarrhea. Ulcerative colitis is similar to Crohn...