question: I had a rash appear two days ago, woke up this morning and it s spread more. It started in my feet then knees. Now is on my feet, knees, all over my forearm , elbow crease and back of my arms, my hip and upper thighs and my sides. My left arm is almost completely full of it. It s very very itchy and it s small tiny red bumps no blisters but an outrageous amount of bumps.