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paraproctitis

A purulent inflammation of the cellular tissues surrounding the rectum. The most frequent cause is penetration of bacterial flora from the rectum into the surrounding cellular tissues, which may occur through an anal fissure. Causes: Inflammatory bowel disease (Crohn's disease or ulcerative colitis). Sexually transmitted infections. Radiation therapy for cancer. Food protein-induced proctitis: Cow's milk- or soy-based formula. An anal fissure is a small tear in the mucosa that lines the anus. It may occur when you pass hard or large stools during a bowel movement. Symptoms include acute pain in the rectal region and bleeding with bowel movements. An unlanced abscess may burst and a fistula form. Treatment includes administration of antibiotics (e.g. doxycycline), antivirals (e.g. acyclovir), and anti-inflammatory agents and, in the suppurative stage, surgical lancing of any anorectal abscess.