My son is 17yrs old .He had a 6 occurrences of PR. DR are saying eczema, dermatitis , and PR. I don't know what it is?? Herald patch on his back. tiny rashes on his upper back both sides, inner thighs, and his both arms. when the outbreak comes very hard to get the apt with doctor. I am very frustrated. I work at the hospital. I Never saw this kind of rashes. he is using steroid cream. shoba