My 6 yr got up this morning with an itchy sore spot on the top of her leg. As the days gone on she has more on her knees and her elbows. I'm not sure if it's chicken pox (she has had it but it was mild) eczema or a flea bite (we do have cats) she's ok in her self been playing fine just says they're sore or itchy but obviously it's school tomorrow should I still take her if no more come up? Would that mean they must be bites? She has no more anywhere on her body just her knees and elbow and one on her thigh.