My first guess would be ringworm. You can purchase otc creme that should treat it.
it could be Lyme Disease. usually accompanied by fatigue and achy joints. must see a doctor for this and get a...
We are not doctors and there are too many variables, but it does sound as if you have one of these:
Possible measles Chicken pox Hives caused by an allergy to food or medications you may just be...