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Bleeding from the GI tract is a common medical problem. Patients usually notice either dark red blood or bright red blood in their stool.
Ulcers of the stomach and duodenum are common causes of bleeding from the upper GI tract. Bleeding can also occur in the lower GI tract (colon). Diverticular bleeding is a common cause of lower GI bleeding.
Review Date 1/24/2025
Updated by: Jenifer K. Lehrer, MD, Gastroenterologist, Philadelphia, PA. 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.
