31st July 2023

A 50-year-old man presents with severe left loin pain, which is colicky in nature and radiates to the left groin

A 50-year-old man presents with severe left loin pain, which is colicky in nature and radiates to the left groin. On examination, the abdomen is soft and non tender. His observations are stable. Urinalysis shows microscopic haematuria, and bloods are unremarkable. A CT scan demonstrates an 8 mm renal calculi. He tells you he was recently started on a medication but cannot remember its name.

What is the medication he was likely started on?

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