Metformin Renal Dose

Question 1

EGFR greater or equal to 60

Answer 1

No renal counter indications. Monitor sCr annually

Question 2

eGFR of 45 to 59

Answer 2

Safe to start. Continue use if taking. Monitor sCr every 3 to 6 months

Question 3

eGFR from 30 to 44

Answer 3

Starting not recommended. Reduce metformin dose by 50% if already taking. Monitor sCr every 3 months

Question 4

EGFR less than 30

Answer 4

Do not start Stop metformin if taking