M will show up literally only on the hands
, feet and inside the mouth. My son had it around the outside of his mouth, on his hands
, not as much on his feet, but also on his arms and in the diaper area which is not usual. He ran a high fever (105 at one point) off and on, had this crazy rash and was very miserable..screaming all night for 2 nights in a row. This is because it often can make their joints ache. Good news is, it is very very rarely serious and they recover fairly quickly.