An anal fissure is a painful tear in the lining of the anus. This can occur due to a number of {factors|, including{ constipation, pressure during bowel movements, and childbirth. Symptoms commonly include pain https://m.facebook.com/proctologiaclinica/videos/a-fissura-anal-%C3%A9-uma-patologia-comum-no-dia-a-dia-do-coloproctologista-em-geral-/1036713350918143/