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Hemorrhoids
Hemorrhoids may be external or internal. If they develop inside the rectum, they are called internal hemorrhoids. External hemorrhoids develop around the anus just below the skin.
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Anal Fissure
The anus is the last part of the digestive tract and is lined with contracting muscles that control the removal of stools. An anal fissure is a tear in the tissue lining the anus and is associated with pain and bleeding during bowel movements.
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Anal Fistula
An anal fistula is an abnormal tunnel that originates from the anal canal and opens onto the surface of the skin near the anus. Most anal fistulas are caused by infection of an anal gland that does not heal properly. The infection results in an abscess that tunnels its way onto the skin surface to drain out the pus.
