I have a rash on my hands its like little pop up dots.its itchy real itchy. I don't know how i got it.The day b4 yesterday i woke up and then i felt the rash.What do i do? I tried washing it and it only lost the red outer part butthe dots are still there and its red and right now i just got a small rash on my right foot its like 5 inches.and now the red part on my hand just got red again.