Hope someone can help 2 weeks ago dd age 6 had a red cheak for a day, and school thought it was slapped cheak she hasn't been ill though other than a runny nose over the weekend she's had a rash on her face thats been going up and down. Shes just down saying her arms sore and she has a rash on her arm and face rach has got worse looking hivey. and swollen. She seems well in herself what should i do ?