This is a procedure to treat chronic anal fissures. An anal fissure is a painful tear in the lining of the anus. The anus is the opening through which stool passes from the body. Tears generally occur just inside the opening.

Anal Fissure
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Muscle spasms in the rectum can prevent fissures from healing. A sphincterotomy relieves these muscle spasms. Anal fissures often heal by taking certain steps, such as:

  • Eating a high-fiber diet
  • Drinking plenty of fluids
  • Using stool softeners
  • Taking warm baths
  • Using medications applied to the skin

When these do not work, a sphincterotomy may be done. This procedure allows the fissure to heal and decreases pain and spasms. Pain will begin to go away within a few days.