Pruritis ani is a dermatological condition characterized by itching in the anal area.
Causes of itchy bottom As itchy bottom is a symptom rather than a condition itself, many cases have an underlying cause, for example: Pruritus Ani Anal Itching Pruritis ani is a dermatological condition that causes itching in the anal area, which may become worse at night or after a bowel movement. Scratching could result in damages or infections. Approach to the patient with anal pruritus. If there is no underlying cause, the outlook is good.