A fissure in ano, also known as an anal fissure, is a small tear or cut in the lining of the anus, which can cause pain and bleeding during bowel movements.
Common causes include passing hard or large stools, chronic constipation or diarrhea, straining during bowel movements, and conditions that reduce blood flow to the anorectal area, such as childbirth or inflammatory bowel diseases.
Symptoms can include pain during and after bowel movements, bright red blood on the stool or toilet paper, itching or irritation around the anus, and a visible crack or tear in the skin around the anus.
Diagnosis typically involves a physical examination by a healthcare provider. The doctor may perform an anal examination to look for visible tears or other issues.
Treatment options include increasing fiber and fluid intake to soften stools, using stool softeners, taking warm sitz baths, and applying topical anesthetics or ointments. In some cases, injections or surgical procedures like lateral internal sphincterotomy may be required.
Many anal fissures can heal on their own with proper care, such as adopting a high-fiber diet, drinking plenty of fluids, and avoiding straining during bowel movements. However, chronic fissures may require medical and surgical intervention.
If left untreated, a fissure in ano can lead to chronic pain, repeated tearing, and possibly an anal abscess or fistula if an infection develops.
Prevention measures include maintaining a high-fiber diet, staying hydrated, avoiding straining during bowel movements, and practicing good anal hygiene.
You should see a doctor if you experience persistent pain, bleeding, or discomfort, if symptoms do not improve with home treatment, or if you have recurrent fissures.