MSRA-1580

MSRA-1580

An 85-year-old woman with hypercholesterolaemia, ischaemic heart disease and hypertension complains to her General Practitioner of tingling and numbness in both feet that has been worsening over a period of six months.
Examination reveals that she has an altered pinprick sensation over both feet and absent ankle reflexes. Her urea and electrolyte levels are normal. Her blood glucose is normal and there is no history of alcohol ingestion. She is, however, taking a number of medications for the secondary presentation of her vascular problems.
Which of the following medications is most likely to have caused her symptoms?
Select the SINGLE most appropriate medication from the list below.