(Medicine) recurrent condition of unknown origin characterized by ulcers and severe irritation of the colon and rectum (causes bloody stools, hemorrhoids, and abdominal pain)
Ulcerative colitis (Colitis ulcerosa, UC) is a form of
inflammatory bowel disease (IBD). Ulcerative colitis is a form of
colitis, a
disease of the
intestine, specifically the large intestine or
colon, that includes characteristic
ulcers, or open sores, in the colon. The main symptom of active disease is usually
diarrhea mixed with blood, of gradual onset. Ulcerative colitis is, however, a
systemic disease that affects many parts of the body outside the intestine. Because of the name, IBD is often confused with
irritable bowel syndrome ("IBS"), a troublesome, but much less serious condition. Ulcerative colitis has similarities to
Crohn's disease, another form of IBD. Ulcerative colitis is an intermittent disease, with periods of exacerbated symptoms, and periods that are relatively symptom-free. Although the symptoms of ulcerative colitis can sometimes diminish on their own, the disease usually requires treatment to go into
remission.
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Chronic inflammation of the colon that produces ulcers in its lining. This condition is marked by abdominal pain, cramps, and loose discharges of pus, blood, and mucus from the bowel.