my ten year old developed red patches that appear to have a bruise in the center-they have grown over the course of a week. 1 week ago he had a high fever for a few days (4). He has tested neg. for Lyme's- and possible suggestions? I thought it may be part of the virus he had-but as I said, the spots are larger, some have grown to be a few inches across. This morning he says they only itch a little. Also, he keeps saying that it feels like his fingers and legs are getting "smaller"......