Polymorphous light eruption… What is it? PMLE is the acronym for polymorphous (morphic) light eruption which is a rash caused by exposure to the ultra violet rays that the sun produces. Basically when the skin is exposed to the sun for even short (10 mins) periods of time, it begins to erupt. Showing as small red, itchy, burning, bumps, blisters, and/or patches. Though most cases of PMLE clear up on their own, some tend to need medicine for the rash to clear up.     Frequency of PMLE Polymorphic light eruption usually occurs in late spring/early summer and most often occurs annually.  It mostly occurs after the firstRead More →