Question

A 61-year-old man with long-standing type 2 diabetes is on metformin 1 g BD. eGFR declines to 28 mL/min/1.73 m². What should be done regarding metformin?

Accepted Answer

Stop metformin (contraindicated at eGFR <30)

Answer

Continue current dose

Answer

Reduce to 500 mg daily

Answer

Switch to gliclazide only

Answer

Add pioglitazone and continue metformin

Practice question

A 61-year-old man with long-standing type 2 diabetes is on metformin 1 g BD. eGFR declines to 28 mL/min/1.73 m². What should be done regarding metformin?