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Complications
By Mayo Clinic staffComplications of hemorrhoids are rare but include:
- Anemia. Chronic blood loss from hemorrhoids may cause anemia, in which you don't have enough healthy red blood cells, resulting in fatigue and weakness.
- Strangulated hemorrhoid. If blood supply to an internal hemorrhoid is cut off, the hemorrhoid may be "strangulated," which can cause extreme pain and lead to tissue death (gangrene).
References
- Hemorrhoids. American Society of Colon & Rectal Surgeons. http://www.fascrs.org/patients/conditions/hemorrhoids. Accessed Dec. 1, 2008.
- Hemorrhoids. American Gastroenterological Association. http://www.gastro.org/frame-templates/print_template.cfm. Accessed Dec. 1, 2008.
- Hemorrhoids. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/hemorrhoids. Accessed Dec. 1, 2008.
- Kaidar-Person O, et al. Hemorrhoidal disease: A comprehensive review. Journal of the American College of Surgeons. 2007;204:102.
- Bleday R. Patient information: Hemorrhoids. http://www.uptodate.com/home/index.html. Accessed Nov. 16, 2008.
- Acheson AG, et al. Management of haemorrhoids. British Medical Journal. 2008;336:380.
- Bleday R, et al. Clinical features of hemorrhoids. http://www.uptodate.com/home/index.html. Accessed Nov. 17, 2008.
- Cataldo P, et al. Practice parameters for the management of hemorrhoids (revised). Diseases of the Colon and Rectum. 2005;48:189.
- Bleday R, et al. Treatment of hemorrhoids. http://www.uptodate.com/home/index.html. Accessed Nov. 17, 2008.
