Itchy Rectum and Anus – Introduction
Anal canal is the last, 2-4 cm long part of the large intestine that ends with the anal opening (anus). Rectum is about 12 cm long part of large intestine between sygmoid colon and anal canal.
Picture of Rectum and Anal Canal
Rectum lesions actually doesn’t itch (but may be painful), since there are no itch receptors (special nerve endings) in rectal mucosa. However, changes may extend from rectum to anal mucosa or groin skin, and these may itch.
Poor Hygiene
Dried feces, dust, scaled skin cells, and sweat, one by one, or all together may cause itchy skin around the anus. Washing with warm or lukewarm water without soap is recommended. Moistened tissues may be used when anus is sensitive.
Dry Skin
Dry skin may cause anal itch, especially in old people and in those who frequently use hot showers or baths. Solution is in avoiding hot showers, and using moisturizing creams like glycerine (but not petroleum jelly like Vaseline).
Spicy Food
Certain foods such as hot spices, caffeine, beer, wine, carbonated beverages, prunes, figs, milk products, nuts, pop-corn, chocolate, tomatoes and citrus fruits cause anal itch, they should be avoided. In some cases irritation is caused by food allergy.
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