The Case of an Itchy Scalp and Forehead Rash

March 16, 2018

Urticarial wet plaque, smaller pink urticarial lesions on the temple and eyelid, eyelid edema, no vesicles or pain. What's your diagnosis?

Urticarial lesions and eyelid edema, no vesicles or pain. Herpes simplex? Zoster? Viral exanthem? Contact dermatitis? Something else?