We've had hand foot and mouth (both have had it). DD1 had it only in her mouth. Hundreds of blisters, it was awful. That was the worst becasue she couldnt' eat for a week. But apart from that no other symptoms.
DD2 had blisters (if you look closely they were puss filled) on palm of hands, fingers, and bottom of feet. She also had a few on bottom area. Nowhere else. I don't think HF and M is anywhere else. Im not totally sure about chicken pox, but I thought they kind of looked puss filled too?? Good luck and hope it goes soon .xox
PS If it's hf and m at least it doesn't really cause any probs, maybe slight temp. NOt itchy or anything xo