A 17-year-old Male with a Full-body Rash

PT VIDEO: The non-pruritic rash spread from his chest over 3d; no response to prednisone. What do you suspect?

A 17-year-old male is seen for a non-pruritic head-to-toe non-blanching rash; spread from chest over 3 days. Reports a recent “cold” with mild fever. No response to prednisone. Denies drug/alcohol use. PMH: non-contributory; allergies: none. Watch examination on video.

What’s your diagnosis?

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