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.
Ask the doctor: What can I do about an anal fissure? - Harvard Health
A fissure is a tear or a break in the lining of the anal canal the last part of the large intestine, where stool passes out of the body is called an anal fissure. Some of the symptoms of an anal fissure include pain, bleeding, itching, and pain during bowel movements. In cases of superficial fissures, although they are painful and may cause bleeding, they may heal on their own. Deeper fissures that become chronic may require treatment from a physician such as a gastroenterologist. Treatment at home for uncomplicated anal fissures can include eating more fiber, using stool softeners, drinking more water, using sitz baths, and using a local anesthetic to decrease pain. Any blood in or on the stool should always prompt a trip to the physician. An anal fissure is caused by some type of trauma occurring in the anal canal.
Ask the doctor: What can I do about an anal fissure?
I had pain and some bleeding during bowel movements. My doctor says it's an anal fissure. What is that, and what's the best way to treat it?
An anal fissure is a small cut or tear in the lining of the anus. The crack in the skin causes severe pain and some bright red bleeding during and after bowel movements. At times, the fissure can be deep enough to expose the muscle tissue underneath. In most cases, the tear heals on its own within four to six weeks.