Anal Itching
Medical Author:
Frederick B Gaupp, MD
Medical Editor:
Bhupinder Anand, MD
Anal Itching OverviewAnal itching is a common but annoying problem. Anal itching occurs more often in men, and, most of the time, no cause can be identified. Anal itching occurs around and near the anus, which is the opening for the bowels. Factors that put people most at risk for anal itching are as follows:
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Anal Itching
Hemorrhoid Overview
Hemorrhoids are enlarged veins located in the lower part of the rectum and the anus. They become swollen because of increased pressure within them, usually due to straining at stools and during pregnancy because of the pressure of the enlarged uterus.
Internal hemorrhoids are located in the inside lining of the rectum and cannot be felt. They are usually painless and make their presence known by causing bleeding with a bowel movement. Internal hemorrhoids can prolapsed or protrude through the anus.
External hemorrhoids are located underneath the skin that surrounds the anus. They can be felt when they swell and may cause itching or pain with a bowel movement, as well as bleeding. A thrombosed external hemorrhoid occurs when blood within the vein clots, and can cause significant pain.
Hemorrhoid Causes
Hemorrhoids are associated w...
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Pinworms »
Enterobius vermicularis (pinworm) is the most common intestinal parasite in the United States. Despite primarily living in the gut, themost common chief complaint is anal itching (pruritus).
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