my twin 2 year old daughters have hfmd the eldest is ok but the youngest of the 2 has blisters on her fingers bum and knees and the rash has spead down her legs and up her neck and chin she has sores in the mouth that r so painful that it hurts when she drinks and eats that she doesnt want 2 put anythink in her mouth she has patch that look lyk exchma on her chest and back is this normal as am getting really worried about her