Proctitis (Noun) Inflammation of the rectum. Symptoms are ineffectual straining to empty the bowels (*tenesmus), diarrhoea, and often bleeding. Proctitis is invariably present in ulcerative *colitis and sometimes in *Crohn's disease. buy may occur independently (idiopathic proctitis). Rarer causes include damage by irradiation (for example in radiation therapy for cervical cancer) or by *lymphogranuloma venereum.
Definition adopted from Oxford Concise English-Chinese Medical Dicionary submitted by jfso from Hong Kong.
Proctitis may also be caused by some bacteria not transmitted sexually, such as Salmonella, or by the use of an antibiotic that destroys normal intestinal bacteria, thus allowing other bacteria to grow in their place (see Clostridium difficile-Induced Colitis).
Another cause of proctitis is radiation therapy directed at or near the rectum, which is commonly used to treat prostate and rectal cancer.
Proctitis typically causes painless bleeding or the passage of mucus from the rectum.
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