Anal Fissures An anal fissure is a crack or split in the tissues that line your anal canal. Trauma causes the lining to tear, causing acute pain and bleeding. Most fissures heal with self-care. An anal fissure is a tear in the lining of your anus. Learn more about the symptoms of this painful condition. An anal fissure is a small tear in the lining of the anus that may cause bright red bleeding during or after bowel movements. Learn more about the occurrence here. An anal fissure is a small tear in the thin lining of the anus, which causes symptoms like sharp pain and bleeding during and after passing a bowel movement. Anal fissures are caused by trauma to ...
