Anal Itching: Anal itching is a common problem experienced by both men and women. Examples of causes of anal itching include irritants such as perfumes, chemicals, or dyes in toilet paper, food irritants, infections, and hemorrhoids. There are risk factors for anal itching such as diseases, profuse sweating, fecal soilage, and more. Anal itching in general can be treated at home with OTC medications if necessary.