title: The cause and treatment of idiopathic pruritus ani.
abstract: Six common foods can cause the clinical entity called "idiopathic" pruritus ani. They are coffee, tea, cola, beer, chocolate, and tomatoes. Pruritus ani occurs in 24 to 48 hours when a patient consumers more than a threshold amount of one or more of these foods and disappears spontaneously in a few days provided the threshold is not exceeded again.
mesh_terms: D001628:Beverages / Q000009:adverse effects*; D002099:Cacao / Q000009:adverse effects; D002182:Candy / Q000009:adverse effects; D004326:Drinking; D005502:Food / Q000009:adverse effects*; D006801:Humans; D011538:Pruritus Ani / Q000178:diet therapy / Q000209:etiology*; D012008:Recurrence