Hi, I have a rash that started on my stomach ,thinikng I had measles was not the case. I had blood tests and also saw a dermotologist. This started to fad on my stomach ,but now has spread on my arms, back ,buttocks & upper thighs! The itch is horrible. I have finished a steriod pack and have had a shotwhen first going to the Dr. Its been 11 days Please Help