Question

A 62-year-old with type 2 diabetes, eGFR 28 mL/min/1.73 m², on metformin 1000 mg BID. What is the appropriate action regarding metformin?

Accepted Answer

Discontinue metformin; it is contraindicated when eGFR <30.

Answer

Continue current dose without changes.

Answer

Reduce dose to 500 mg daily and continue indefinitely.

Answer

Switch to glyburide.

Answer

Discontinue only if eGFR <20.

Practice question

A 62-year-old with type 2 diabetes, eGFR 28 mL/min/1.73 m², on metformin 1000 mg BID. What is the appropriate action regarding metformin?