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Blockage of the intestine (intestinal obstruction) due to scar tissue or tumors
Bleeding, due to diverticulosis or arteriovenous malformations
Injuries
Cancer
Precancerous polyps
Familial polyposis
Infection, due to diverticulitis
Review Date 4/1/2025
Updated by: Warren Brenner, MD, Oncologist, Lynn Cancer Institute, Boca Raton, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.