19th May 2025

Mr March, a 68-year-old patient, has had blood tests at the GP which show a gradual decline in his glomerular filtration rate.

Mr March, a 68-year-old patient, has had blood tests at the GP which show a gradual decline in his glomerular filtration rate. He was commenced on a new medication several weeks prior to the detection of this decline. He has been referred to the renal clinic, where drug-induced renal tubular crystal formation is suspected. Which of the following drugs has not been shown to cause this side effect?

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