Proctitis is an inflammation of the rectum. Symptoms Symptoms are ineffectual straining to empty the bowels, diarrhea, rectal bleeding, a feeling of rectal fullness, left-sided abdominal pain, passage of mucus through the rectum and anorectal pain. Causes Proctitis is invariably present in ulcerative colitis and sometimes in Crohn's disease. It may also occur independently (idiopathic proctitis). Rarer causes include damage by irradiation (for example in radiation therapy for cervical ...
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