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. 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.
Ask the doctor: What can I do about an anal fissure?
Anal fissure - Treatment - NHS
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 tear in the tissue that lines the anal canal, usually resulting from trauma, such as the passage of hard stool. It causes sharp, tearing pain while passing a bowel movement, often accompanied by a small amount of blood on the toilet tissue or surface of the stool. Anal fissures are common and can easily become chronic, because after the first tear, bowel movements reinjure the area.
Back to Anal fissure. Like other small cuts or tears to the skin, an anal fissure will often heal by itself within a few weeks. Most anal fissures will heal with treatment, although they can happen again easily, particularly if you don't follow the self-help advice outlined below. There are a number of different medicines your GP may recommend to help reduce your symptoms and allow your anal fissure to heal. Adults with an anal fissure will usually be prescribed bulk-forming laxative tablets or granules.
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.