It is an acquired condition that comes up after exposure to sunlight. It is believed to be an allergic reaction following interaction of sunlight with a protein in the skin. The rash of PLE can itch or feel like a burn. it comes up on the exposed areas such as the face. V area of the neck, arms and forearms. It can be controlled by avoiding sunlight between 10AM and 3PM, using wide spectrum sun block, wearing protective clothing, broad brimmed hats, gloves and long sleeves.