Great question. Melasma is a very common asquired dyscromia that occurs only in the sun-exposed areas . It is worsened by sun exposure, pregnancy ( where it is called chloasma or the mask of pregnancy), oral contraceptives, and certain anti-epileptic drugs like Dilantiin. ... more




139 posts
4 Jun 2009
Hi dr.eman,
You may also be interested in reading a related question, Melasma related to estrogen or progesterone?
Regards