My eight year old son has a ras but its mot just any rash his whole body all over is a rash its not raised up swollen or even itchy just red very small pumps almost geels like very dry skin now he has this a lot he was tested for allergies when he was about 2 but nothing and he broke out bad not long after and he was taking amoxicillian amtibiotic so the doctors took him off that and don't give it any more it gets worse when he gets in water of any kind pool river creek ocean even nath water or water out of the hose outside I am concerned its not getting any better as time goes by mabey worse he had poision ivey or oak about 6 months ago swelled up very bad for about a week m a half doctor gave him a shot and said allergic but he hasmt been,around anything like that not even outside very much wjen he got in the tub earlier he started to wash with same kind of soap we always use and it set him on fire burned turned red he had to get out and I put some baby powder to stop the burning but I'm not sure what if any thing I should do