Hi there I’m asking this on behalf of my

Patient: Hi there .. I’m asking this on behalf of my nephew he’s only 4 . Few week ago he suddenly have these strange bruises and rash all over him of cause he’s been to the hospital about it but they don’t know quite what it is he’s feet and ankles are swollen up. Sometimes he finds it hard to walk . I’m real worried about him this have never happen before . Please help

Doctor: