A 26-year-old man with a history of cystic fibrosis initiated a new cystic fibrosis medication two months ago. Approximately one week ago, the patient noticed the abrupt onset of papules on his upper back, as shown, for which he has tried using a benzoyl peroxide wash without improvement. Which of the following is the most appropriate next step?

 A. Cessation of cystic fibrosis medication

B. Dietary modification

C. Initiation of doxycycline

D. Injection of triamcinolone

E. Oral dapsone

To find out the correct answer and read the explanation, click here.

 

Brought to you by our brand partner

Brand partners had no involvement in the content of the questions or answers.