Gastrointestinal Bleeding Lower Underlying Cause
Common causes for lower gastrointestinal bleeding include:
Less common causes for lower gastrointestinal bleeding include:
- Anal cancer
- Arteriovenous malformation in the intestine
- An abnormal tangle of blood vessels in the lining of the intestine that is fragile and prone to bleeding.
- Colon cancer

- Crohn's disease


- Intestinal polyps
- Ischemic bowel disease

- Meckel's diverticulum
- Proctitis

- Rectal cancer
- Ulcerative colitis


Continue to Gastrointestinal Bleeding Lower Anatomy
Last Updated: Feb 7, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Gastrointestinal Bleeding Lower References
- Farrell JJ, Friedman LS. Review article: the management of lower gastrointestinal bleeding. Aliment Pharmacol Ther. 2005 Jun 1;21(11):1281-98. [15932359]
- Hernandez-Diaz S, Rodriguez LA. Incidence of serious upper gastrointestinal bleeding/perforation in the general population: review of epidemiologic studies. J Clin Epidemiol. 2002 Feb;55(2):157-63. [11809354]
- Khuroo MS, Khuroo MS, Farahat KL, Kagevi IE. Treatment with proton pump inhibitors in acute non-variceal upper gastrointestinal bleeding: a meta-analysis. J Gastroenterol Hepatol. 2005 Jan;20(1):11-25. [15610441]
- Lewis B, Goldfarb N. Review article: The advent of capsule endoscopy--a not-so-futuristic approach to obscure gastrointestinal bleeding. Aliment Pharmacol Ther. 2003 May 1;17(9):1085-96. [12752345]
- Olds GD, Cooper GS, Chak A, Sivak MV Jr, Chitale AA, Wong RC. The yield of bleeding scans in acute lower gastrointestinal hemorrhage. J Clin Gastroenterol. 2005 Apr;39(4):273-7. [15758618]