Acne

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This article is about a group of skin diseases. For a Swedish denim brand, see Acne Jeans.


Acne is a group of skin rashes that have different causes.

  • Acne vulgaris - most commonly experienced around puberty, typically of the face and shoulders/chest
  • Acne rosacea - a red rash predominantly on the face
  • Acne keloidalis nuchae (Pseudofolliculitis nuchae) - a rash caused by shaving
  • Acne conglobata (Hidradenitis suppurativa) - chronic abscesses or boils of sweat glands and hair follicles; in the underarms, groin and buttocks, and under the breasts in women
  • Acne cosmetica - acne caused by cosmetics
  • Acne fulminans - an extreme form of acne conglobata
  • Acne medicamentosa - acne caused by starting or stopping a medicine
  • Baby acne - a rash seen on the cheeks, chin, and forehead of infants
  • Chloracne - an acne rash caused by exposure to chlorinated hydrocarbons such as dioxins or PCBs
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