Derm Dx: An 8-year-old girl with a swollen red eyelid accompanied by an erythematous rash

An 8-year-old girl presents with a red swollen eye and an erythematous rash on her face, arms and legs during the summer months.

An intensely itchy red, linear mark that rapidly progressed to bumps and blisters first appeared on the girl’s forearm, and spread to her face and legs within days.

The girl’s parents did not report anything clinically significant in the ...