I have a rash that is small bumps, but is not hives.From time to time the bumps itch and the generalized area burns. When not itchy the bumps are hardly visible. I used to be a pediatric nurse and am familiar with scabies. It is not a scabies rash and appears more like a dermatitis. We had changed detergents and I had blamed the rash on that. I switched back but the rash continues. It started on my right side, lasted for a few weeks then cleared up. Then it appeared behind my knees and up the backs of my legs a little. After a few weeks it disappeared but it came out on my left side, cleared up and is now on my lower back. I tried cortisone cream but it didn't help. I use an anti-itch cream when the itching/burning is more intense. I am 47 year old female. I have asthma and some drug allergies and have an allergy to shellfish. I am active, healthy and recently had my annual check up with normal blood chemistry results (including normal cholesterol, thyroid levels, CBC, glucose).