If you thought having a paper cut on your finger was bad, imagine having one in your butt. That happens more often than you probably think. A study from Drug and Therapeutics Bulletin estimates 11 percent of people will have one in their lifetimes. What Causes Anal Fissures A wide range of things could be to blame—a tight anal muscle that keeps blood from flowing to your rear, particularly hard poops, constipation , or even pregnancy. Anything that causes trauma to the anal canal can prevent blood from flowing to the area, which will slow down the healing process, says Ashburn.
Medically reviewed by Drugs. Last updated on Aug 31, The anus is that part of the intestinal tract that passes through the muscular canal of the pelvis and anal sphincters. It is the final orifice through which stool passes out of the body. In adults, the anus is 4 to 5 centimeters long. The lower half of the anal canal has sensitive nerve endings.
What Is an Anal Fissure? Here's How to Prevent This Surprisingly Common Condition
This material must not be used for commercial purposes, or in any hospital or medical facility. Failure to comply may result in legal action. Medically reviewed by Drugs. Last updated on Nov 16,
Back to Health A to Z. An anal fissure is a tear or open sore ulcer that develops in the lining of the large intestine, near the anus. Do not let embarrassment stop you seeking help. Anal fissures are a common problem GPs are used to dealing with. They can also tell you about self-help measures and treatments that can relieve your symptoms and reduce the risk of fissures coming back.