2nd July 2023

A 43-year-old man presents to A&E with a widespread erythematous rash. On examination there are pustules

A 43-year-old man presents to A&E with a widespread erythematous rash. On examination there are pustules in the antecubital fossa, axillae and lower back. Bacterial skin swabs returned negative. Two days ago, the patient went to see his GP with a productive cough and was started on a course of co-amoxiclav.

What is the most likely diagnosis?

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