Sore lump near anus

The anus is that part of the intestinal tract that passes through the muscular canal of the pelvis and anal sphincters. It is the final orifice through which stool passes out of the body. In adults, the anus is 4 to 5 centimeters long. The lower half of the anal canal has sensitive nerve endings. There are blood vessels under the lining, and in its mid portion there are numerous tiny, anal glands.

Pimples tend to be skin problems most associated with the face, though they can form on your back, pubic area, and just about anywhere on the body — including the anus. That can lead to infection and other complications. The bump you feel may also be a different health concern, including a hemorrhoid or a cyst that will require treatment by a healthcare professional. There are different types of pimples, including pustules , which are small raised pink or red bumps that contain pus. Larger papule -like bumps embedded in the skin are called nodules , while larger, pus-filled lumps are called cysts. Nodules and cysts tend to be the most painful kinds of pimples.

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