Read about anal fissure medical facts: what is the definition of anal fissure, what are the signs and symptoms, medical treatment & how to treat anal fissure, information about the causes, diagnosis, and related anal fissure diseases.

Definition: What is "Anal Fissure"?


An anal fissure is a small tear in the lining of the anal canal. Frequently in infants' ages 6 to 24 months, anal fissures are less likely to develop in older children. Adults may generate anal fissures as a result of passing hard or large stools during bowel movements.

Symptoms & Signs

The major signs & symptoms of an anal fissure include: Pain or burning during bowel movements that eases until the next bowel movement, bright red blood on the outside of the stool or on toilet paper or wipes after a bowel movement, itching or irritation around the anus.

Treatment: How to Treat "Anal Fissure"?

Anal fissures are fairly common & usually heal without treatment or with nonsurgical treatments. Symptoms may be gone within two weeks, but it may take up to eight weeks for the tear to heal. If the tear doesn't heal within six to eight weeks, however, you may require surgery. For babies, the only interference necessary may be changing the diaper regularly & keeping the anal area clean.


The most common cause of anal fissures is large or hard stool passing through the anal canal during bowel movements. Other causes include: Constipation & straining during bowel movements, inflammation of the anorectal area, such as is caused by inflammatory bowel disease, anal sex.


Your doctor will ask you for your medical history & do a physical exam, including inspection of the anal region. In many cases of anal fissure, the tear is seen.

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