Let me just start with he has a doctors appointment at 4 today. My son, he’s 3 was outside playing yesterday, in a driveway, no grass or anything around, then came home and he was sleeping so I put him right in bed.. He took his shirt off to get in the bath this morning and I noticed this rash.. then the second picture is 2 hours later. Should I be worried? His father has Lyme disease and it didn’t start with the bulls eyes, he had over 30 covering his body a couple days later after laying in the sun.