Postinflammatory hyperpigmentation

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Postinflammatory hyper pigmentation, also known as post inflammatory hypermelanosis, can result from any natural or iatrogenic inflammatory condition, resulting from two mechanism:

  1. Increased epidermal pigmentation via increased melanocyte activity
  2. Dermal melanosis from melanocyte damage and melanin drop out from the epidermis into the dermis.[1][2]

See also


  1. James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.
  2. Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.