An anal fissure is a small tear in the lining of the anus. It's often painful, especially during bowel movements. This condition can be caused by passing hard stools, childbirth, or infections. Symptoms include anal https://m.facebook.com/proctologiaclinica/videos/a-fissura-anal-%C3%A9-uma-patologia-comum-no-dia-a-dia-do-coloproctologista-em-geral-/1036713350918143/