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. This article describes four disorders that cause anal pain and irritation:. Anal fissure - An anal fissure, also called an anorectal fissure, is a linear split or tear in the lining "anoderm" of the lower anal canal.

An anorectal abscess also referred to as an anal abscess, rectal abscess, perianal abscess, or perirectal abscess depending on its location is a pus-filled cavity that forms within the furrows of the anal canal called the anal sinuses. Abscesses can form near or within the anus or develop much higher up in the rectum itself. While an abscess can form spontaneously for no apparent reason, it is commonly associated with gastrointestinal disease, bowel irregularities, immune suppression, and even certain medications. Anorectal abscesses are usually first recognized because of dull, throbbing pain in the anus or rectum, often accompanied by sharp pain when defecating.

Serving all of Long Island, countless patients have turned to us when facing serious medical problems that affect the colon, rectum, and digestive tract. Abscesses can be a cause of serious anal pain and other medical problems. Let's take a moment to consider the causes and symptoms of anal abscesses and how they can be professionally treated. An anal abscess occurs when pus accumulates and develops around a person's anus.