Itching around and in the rectum is called pruritus ani, and it can be unusually persistent and distressing to the sufferer. It is often associated with other symptoms, such as soreness, pain and burning sensations. Cleansing or scratching the anal area can actually make the symptoms worse, according to the Mayo Clinic. Some foods that contain caffeine can also exacerbate symptoms. Removing these foods from the diet may make the symptoms disappear.
Caffeine
Caffeinated coffee and tea, as well as carbonated beverages containing caffeine, can cause rectal itching. Chocolate, milk and nuts are other culprits that can lead to rectal itching. Combine these foods in a latte, soda or a candy bar, and the itching becomes more severe. One way to determine which food is causing the problem is to remove one food at a time from the diet to determine if the itching will disappear.
Diarrhea
Lactose intolerance, or the inability to break down the sugars in milk, can lead to chronic diarrhea which, in turn, can cause chronic rectal itching. Soy or rice milk and hard cheeses may be preferable because they are less likely to cause diarrhea. Caffeinated drinks, especially when combined with milk for those with lactose intolerance, can also cause diarrhea. The diarrhea creates a moist area around the rectum where bacteria can grow.
Irritants
Rectal itching is not usually caused by a lack of hygiene, states the American Society of Colon & Rectal Surgeons. The itching may prompt the sufferer to scratch or wash the skin repeatedly. Excessive washing around and in the rectum, especially with chemically treated, moist wipes may exacerbate the condition. Scratching will irritate or remove skin around the rectum, leaving the area sore and burning. It can also introduce bacteria to the area, compounding the problem.
Treatment
Remove caffeinated and carbonated beverages and milk products from your diet while the rectal area heals. Avoid scratching, and keep the area as dry as possible. Do not scrub the area with deodorant cleansers or perfumed soaps. Gently wipe the area with a damp, soft cloth. Only apply prescription medications to the affected area if your doctor recommends it. Wear cotton and loose clothing next to your skin, and do not allow it to rub against the affected area.
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