Guideline on the treatment of acne

European Dermatology Forum

Clinical features and variants

Comedonal acne

  • Comedones/non-inflamed lesions:
    • open comedones (blackheads)
    • closed comedones (whiteheads)
  • Comedones frequently have a mid-facial distribution in childhood and, when evident early in the course of the disease, this pattern is indicative of poor prognosis

Papulopustular acne

  • Mixture of non-inflammatory and inflammatory lesions
  • Superficial inflammatory lesions include papules and pustules (5 mm or less in diameter). These may evolve into deep pustules or nodules in more severe disease. Inflammatory macules represent regressing lesions that may persist for many weeks and contribute markedly to the general inflammatory appearance

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