A man develops a painful, burning Rash with blisters on his hands after a day outdoors. Discover the surprising cause of this phototoxic skin reaction.
A 40-year-old man presented with a 2-day history of a burning rash on both hands. Physical examination was notable for a confluent region of erythema extending from the dorsal aspect of the thumbs to the medial aspect of the second finger. Scattered patches of erythema were observed on the knuckles and other fingers, and a small blister was noted on the base of the left thumb. What is the most likely diagnosis?
What is the most likely diagnosis?
Dermatology, Furocoumarins, Phototoxicity, Phytophotodermatitis, Rash