The medical term for anal itching is pruritus ani. This refers to a condition where an itching occurs around the anus, which is the canal that is the outlet for the rectum. The itch may occur in the anus, on the skin immediately surrounding the anus or both. Sometimes anal itching is mild, while others have anal itching that is severe and is accompanied by a strong urge to scratch. The itching may be accompanied by other symptoms, such as a burning feeling, soreness or pain.

Certain environmental factors may cause anal itching to become more intense. One example is moisture, which may occur when a person sweats or is in a humid environment. Some people find that the rubbing of their clothing in the affected area can make the itching worse, sometimes depending on the type of material the clothing is made from. Still others find that the pressure on the area that occurs while sitting intensifies the itching.