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An anal fissure is a tear in the lining of the lower rectum (anus)
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Causes
- Straining to defecate, especially if the stool is hard and dry
- Severe and chronic constipation
- Severe and chronic diarrhea
- Crohn's disease and Ulcerative colitis
- Tight sphincter muscles
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Symptoms
- An anal fissure causes a sharp, stinging, or burning pain during a bowel movement. The pain, which can be severe, may last for a few hours.
- Fissures may itch, bleed or have yellow discharge.
Treatment
- Anal dilatation
- Lateral sphincterotomy
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