My 7 yr. old daughter has had an on-again-off-again cough for the last 5 days. This morning she was complaining about an itchy rash on her wrist. When I went to look at it (thinking it was a bug bite) I noticed the rash was all the way up her arm and was also on her face and upper chest and just starting on the back of her neck. She has no other symptoms, is as active as ever, and insisted she was going to school. Anyone know what this could be?