Generalised hyperpigmentation

external

• Synonyms

  • Dark skin

• Causes

  • African origin
  • Indian origin
  • Sun exposure
  • Increased ACTH
  • Cutaneous haemosiderosis
  • Uraemia
  • Porphyria cutanea tarda
  • High oestriol
  • Whipple's disease
  • McCune Albright syndrome
  • Fanconi anaemia
  • Poikiloderma atrophicans vasculare
  • Casal necklace
  • Cronkhite-Canada syndrome
  • Urticaria pigmentosa
  • Argyria
  • Arsenic
  • Minocycline
  • Addison disease
  • Cronkhite-Canada Syndrome

• Effects

  • Linea nigra
  • Cholasma
  • Hyperpigmented palmar creases

• Parents

  • Hyperpigmentation