8th February 2022

A 55-year-old patient with a history of type 2 diabetes mellitus, presents with a painful, erythematous and swollen left calf

A 55-year-old patient with a history of type 2 diabetes mellitus, presents with a painful, erythematous and swollen left calf. A diagnosis of cellulitis is made and the patient is placed on antibiotic therapy. He soon develops a widespread wheeze, stridor, difficulty breathing and an erythematous rash.

Which antibiotic is most likely to have caused this presentation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.