A 58-year-old on metformin has eGFR 32 mL/min/1.73 m². What is recommended regarding metformin use as eGFR declines further?...

Question

A 58-year-old on metformin has eGFR 32 mL/min/1.73 m². What is recommended regarding metformin use as eGFR declines further?

Accepted Answer

Continue metformin until eGFR

Answer

Stop metformin immediately at eGFR 32

Answer

Continue metformin regardless of eGFR

Answer

Switch to metformin XR to avoid lactic acidosis

Answer

Use metformin only if albuminuria is present

us-usmle-step-2 MCQ (SBA): Metformin-eGFR Threshold