Endocrinology
Metformin
Dose
500 mg BD with food, titrate to 1 g BD (max 2 g)
Dose adjustment
Hold if eGFR <30 or contrast in 48 h
Use
First-line T2DM.
Monitoring
HbA1c 3-monthly, U&E, B12 annually.
Side effects
- • GI upset
- • Lactic acidosis (rare)
- • B12 deficiency
Always confirm dose against your local formulary / BNF before prescribing.
