Hi, my name is Jessica I am 11 year s of age and i have rashes recently on my skin, the first time i had a rash was in p.e in a hot room, i have been to the doctor and they provided me with a medicine called Piriton and Liquid Paraffin which is a type of cream, Can you please help me find out what kind of rash it is, it comes and it goes usually 30-1 hour. Let me know as soon as possible