The prevalence of<unk>  in the United States is approximately 2 per 1,000. It is considered a disease of adulthood, for it is rare in children.
Nummular dermatitis
Dermatophytosis
Xerotic eczema
Pityriasis rosea
Phototoxic tar dermatitis
Phytophotodermatitis
Abietic acid dermatitis
Granulomatous facial dermatitis