![]() Pruritus ani means itch around the anus with no visible skin change when used in the strict sense. Perianal dermatoses often present with itch (see Itchy anus). It is important to ask about and look for skin problems elsewhere. Advanced age, faecal incontinence, immobility, hyperhidrosis, obesity, occlusion from clothing, and poor anal hygiene all contribute to skin barrier dysfunction.īecause of the effects of occlusion and maceration, scaling may not be apparent, and the skin signs may be non-specific, although there are usually clinical clues to make the diagnosis. What are the causes and clinical features of perianal dermatoses?Ī compromised skin barrier may predispose to a perianal dermatosis. Their quality of life can be markedly affected yet do not mention it at medical appointments. Patients are often embarrassed, and it may be difficult for them to visualise and examine the area. Patients with a pre-existing inflammatory dermatosis may have anogenital involvement as commonly occurs with psoriasis, or the dermatosis predominantly involves the anogenital area (eg, lichen sclerosus). A perianal dermatosis is a rash or skin change around the anus, between the buttocks. ![]()
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