Open all pages about Anal fissure
Anal fissures are usually caused by constipation. Other causes include long-lasting diarrhoea, inflammatory bowel disease, pregnancy and childbirth.
An anal fissure usually heals on its own. Treatment includes avoiding constipation, and medicines to reduce pain and speed up healing.
Page last reviewed: 09/11/2021
Next review due: 09/11/2024