Cholasma

external

• Synonyms

  • Melasma

• Causes

  • High oestriol
  • Female gender
  • Asian origin
  • Pregnancy
  • Oral contraceptive pill
  • Sun exposure
  • Polygenic inheritance
  • Generalised hyperpigmentation

• Parents

  • Skin colour

• Treatments

  • Hydroquinone
  • All-trans retinoic acid
  • Azelaic acid

• Description

  • "Brown patches esp. on face increase in the level of melanin Greek chloazein
  • to be green (misnomer) Most cases resolve eventually
  • but can take a long time. "