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 difficulty with bowel movements, childbirth, or infections. Symptoms https://m.facebook.com/proctologiaclinica/videos/a-fissura-anal-%C3%A9-uma-patologia-comum-no-dia-a-dia-do-coloproctologista-em-geral-/1036713350918143/