This came up on Sunday on my back, my daughter noticed it. It doesn't itch particularly. It looks like the rash for lyme disease to me but I sent pictures to my doctor and the nurse practitioner has said I just need antihistamines. I know if it is lyme disease then I need antibiotics now but I don't know how to get them. Anyone any ideas? Does it just look like a normal rash and am I overreacting?