Anal fissureOverview

An anal fissure is a tear or open sore (ulcer) that develops in the lining of the large intestine, near the anus.

overview

An anal fissure is a small tear in the lining of your bottom (anus).

symptoms

Symptoms of an anal fissure include a sharp pain and bleeding when you poo.

causes

Anal fissures are usually caused by constipation. Other causes include long-lasting diarrhoea, inflammatory bowel disease, pregnancy and childbirth.

treatments_overview

An anal fissure usually heals on its own. Treatment includes avoiding constipation, and medicines to reduce pain and speed up healing.

Page last reviewed: 23/11/2018
Next review due: 23/11/2021