4th August 2023

A 72 year old man is admitted to the hospital and treated for a urinary tract infection.

A 72 year old man is admitted to the hospital and treated for a urinary tract infection. He has a past medical history of chronic kidney disease, hypertension, epilepsy, and type 2 diabetes mellitus, for which he takes metformin, ramipril, amlodipine, and sodium valproate. He is treated with intravenous fluids and antibiotics. Two days later, he had a tonic-clonic seizure that resolved following the administration of lorazepam. His epilepsy had been well controlled; this was his first seizure in three years.

Which antibiotic is likely responsible for this?

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