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.
Anal fissure - Treatment - NHS
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Faeces poo is temporarily stored in the rectum and expelled from the body via the anus. An anal fissure is a tear or split in the lining of the anus anal mucosa. The symptoms and signs include pain when passing a bowel motion and bright red blood from the anus. The problem is common in children younger than one year, and affects around eight out of 10 babies.
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.