Types of acne?

Inflammatory vs. non-inflammatory acne

There are different types of acne. In general, acne can be categorized as inflammatory or non-inflammatory.

  • Non-inflammatory acne
    Comedones are considered non-inflammatory. This includes whiteheads (open comedones) and blackheads (closed comedones).
  • Inflammatory acne
    When lesions become red and/or tender bumps, they are called papules or pimples. They can become infected and fill with pus (pustules), which are more severe. Papules and pustules are types of inflammatory acne.

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