Anal Fissure

An anal fissure is a crack or tear in the lining of your anal canal. It’s a common cause of anal pain and rectal bleeding, especially during bowel movements (pooping).

Anal trauma usually causes a fissure, especially from straining to pass hard stools. Anal fissures can occur suddenly or gradually. They can also heal quickly or slowly.

Are anal fissures common?

Anal fissures are very common, especially in infants and pregnant people. About half of people with anal fissures get them before they turn 40.