hi i noticed just the other day i had a red bumy rash on my back, its only a little itchy, not too bad..the following night (last night) i noticed a little on the top of my chests and a little behind my ears. i due have a history of with skin, i live in colorado, i havent ate or been near anything im allergic too ( which im not really allergic to anything that i know of, i havent changed any soaps,perfumes,detergent,etc recently....