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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.
Update Date 1/11/2015
Updated by: Todd Eisner, MD, Private practice specializing in Gastroenterology, and Affiliate Assistant Professor, Florida Atlantic University School of Medicine, Boca Raton, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.