photo-onycholysis

Friday Pop Quiz 9/11/2026
A 16 year old patient returns to clinic after spending spring break in Miami complaining of separation of his nails from his nail bed. He also has a sunburn. The patient has erythematous comedones and pustules on his cheeks, forehead, chin and upper back [see photo], and was started on treatment for these findings at his last visit. Which of the following most likely caused his nail findings? …