Jump to content. An anal fissure is a tear in the lining of the lower rectum anal canal that causes pain during bowel movements. Anal fissures don't lead to more serious problems. Most anal fissures heal with home treatment after a few days or weeks. These are called short-term acute anal fissures. If you have an anal fissure that hasn't healed after 8 to 12 weeks, it is considered a long-term chronic fissure. A chronic fissure may need medical treatment. Anal fissures are a common problem.
Where is an anal fissure?
What is anal stenosis?
The anus is the opening of the rectum through which stool passes out of your body. Problems with the anus are common. They include hemorrhoids , abscesses , fissures cracks , and cancer. You may be embarrassed to talk about your anal troubles. But it is important to let your doctor know, especially if you have pain or bleeding.
What is the anal sphincter?
We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. An anal fissure is a small cut or tear in the lining of the anus.
Medically reviewed by Drugs. Last updated on May 13, Hemorrhoids are lumps or masses of tissue in the anus, which contain enlarged blood vessels. Any increase in abdominal pressure may produce hemorrhoids. This may be from:. Internal hemorrhoids. Internal hemorrhoids lie inside the anal canal, where they primarily cause the symptom of intermittent bleeding, usually with bowel movements, and sometimes mucous discharge. They are usually painless.