The anal canal is a short tube surrounded by muscle at the end of your rectum.
The rectum is the bottom section of your colon large intestine. An anal fissure also called fissure-in-ano is anal small rip or tear in the lining of the anal canal. Fissures are common, but are often confused with other anal conditions, such as hemorrhoids. Fissures are usually caused by trauma to the inner lining of the anus from a bowel movement or other porn nude lady of the anal canal.
This can be due to a hard, dry bowel movement or loose, frequent bowel movements. Patients with a tight anal sphincter muscle are more likely to develop anal fissures. Less common causes of fissures include inflammatory bowel disease, anal infections, or tumors.
Anal fissure - Symptoms and causes - Mayo Clinic
Anal fissures typically cause fissure sharp pain that starts with the passage of stool. This pain may last several minutes to a few hours.
As a result, many patients fissure try not to have bowel movements anal prevent pain. Narcotic pain medications are avoided because they can cause constipation which could make the situation worse.