Anusitis is inflammation of the anal canal lining.
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Terminology
Anusitis should not be confused with proctitis, which is distinguished as inflammation of rectal mucosa.
Epidemiology
Anusitis is associated with diet, in particular excess intake of coffee, cola, beer, citrus, spices, and/or hot sauce. It may also occur secondary to chronic radiation proctitis, ulcerative colitis, and sexually transmitted diseases (e.g. gonorrhea, human papillomavirus infections) 1.
Differential diagnosis
- vulvovaginitis
- rectal foreign body
- perianal fistula
- anal fissure
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