Tear in the Anus Underlying Cause
Most anal fissures are caused by large, hard pieces of stool that tear the skin of the anus during a bowel movement.
Additional causes of anal fissure include:
- Anal intercourse
- Anal injury
- Vigorous wiping
Continue to Tear in the Anus Anatomy
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- Nelson R. Operative procedures for fissure in ano. Cochrane Database Syst Rev. 2005 Apr 18;(2):CD002199.