Diverticula can also bleed and cause significant blood loss from the gastrointestinal tract. Vessels overlying a diverticula are stretched until they break, causing bleeding into the colon. Blood is usually passed in the stool.
Reviewed last on: 2/20/2008
Christian Stone, MD, Division of Gastroenterology, Washington University in St. Louis, School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.