10th June 2021

A 72-year-old man attends a GP appointment, complaining of sore gums

A 72-year-old man attends a GP appointment, complaining of sore gums. On examination, his gums are noted to be reddened and swollen, and halitosis is noted. He has a past medical history of epilepsy, which has been well controlled since his 20s with medication.

Which of the following drugs is he most likely taking to manage his epilepsy?

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