Swollen Rectum Symptom Checker. Take a quiz to find out what might be causing your swollen rectum. The rectum and the anus are often-overlooked body parts until there is an issue, of course.
An anal fissure fissure-in-ano is a small, oval shaped tear in skin that lines the opening of the anus. Fissures typically cause severe pain and bleeding with bowel movements. Fissures are quite common in the general population, but are often confused with other causes of pain and bleeding, such as hemorrhoids.
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
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If you have a hemorrhoid, you may feel a tender lump on the edge of your anus. You may feel itchy in that area. Or you may feel pain.
The anus is the opening at the end of your anal canal. The rectum sits between your colon and anus and acts as a holding chamber for stool. When pressure in your rectum becomes too great, the internal ring of muscle called the anal sphincter relaxes to allow stool to pass through your anal canal, the anus, and out of your body.
Hemorrhoids are swollen veins in your lower rectum. Internal hemorrhoids are usually painless, but tend to bleed. External hemorrhoids may cause pain. Hemorrhoids HEM-uh-roidsalso called piles, are swollen veins in your anus and lower rectum, similar to varicose veins.
Find an ACG member gastroenterologist with a specialized interest in liver disease. The rectum refers to the last four or five inches of the digestive tract. The rectal outlet or opening is called the anal canal or anus.