During certain weather conditions When I get hot, I itch, Uncontrollably until I lower my body tempature, Please Help no one case figure out what causes it or how to treat it, The Allergists did several tests and has not answer, neither does my regular doctor. Ther eis no rash, or hives, it almost seems to be likt the nerve endings unde the skin, but it only happens with certain weather conditions.Almost feels like I should be contained in a 73 degree bubble so I wont Itch anymore!