Pigment

Skin Discoloration

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Skin Discoloration, Skin Pigment Changes, Pigmentation Disorder

  • See Also
  1. Hyperpigmentation
  2. Diffuse Hyperpigmentation
  3. Medication Causes of Hyperpigmentation
  • Causes
  • Pigmentation Disorders
  1. Hypopigmentation
    1. Vitiligo
    2. Pityriasis Alba
    3. Tinea Versicolor
    4. Postinflammatory Hypopigmentation
  2. Hyperpigmentation
    1. Postinflammatory Hyperpigmentation
    2. Melasma
    3. Solar Lentigines
    4. Ephelides
    5. Cafe Au Lait Macules
  • Causes
  • Brown discoloration
  1. See Brown Skin Lesion (or Black Skin Lesion)
  2. See Diffuse Hyperpigmentation
  3. Melanism
  4. Hemosiderin (Hemochromatosis)
  5. Wilson's Disease
  6. Venous Stasis Dermatitis
  • Causes
  • Blue-Gray discoloration
  1. Silver Poisoning (Argyria)
  2. Arsenic Poisoning
  3. Gold Therapy (Chrysoderma)
  4. Amiodarone
  5. Minocycline-Induced Hyperpigmentation
  6. Alkaptonuria (Ochronosis)
  • Causes
  • Yellow discoloration
  1. Jaundice
  2. Carotenemia
  3. Medications (Quinacrine)
  4. Explosive manufacture (Dinitrophenol, Tetryl)
  • References
  1. Gauer (2026) Am Fam Physician 113(5): 495-6 [PubMed]