Acne: A common human skin disease characterized by areas of scaly red skin (seborrhea) with blackheads/whiteheads (comedones) , pinheads (papules), large papules (nodules), pimples & possibly scarring. Occurs mostly on face, upper chest & back. Treated with benzoyl peroxide, salicylic acid, antibiotics, hormones, etc.
Answered 2/22/2014
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