Metformin Dosage Guide — strengths, titration schedule, and dosing for metformin
Available forms, strengths, and dosing recommendations for Metformin (metformin).
Available Forms & Strengths
Forms
- Oral tablet
- Oral extended-release tablet
- Oral solution
Strengths
500 mg850 mg1000 mg
Typical Adult Dose
500 mg twice daily with meals, increased gradually
Max dose: 2550 mg/day (immediate-release) or 2000 mg/day (extended-release)
Special Populations
- Renal Impairment
- Contraindicated if eGFR < 30; use caution 30–45
- Pediatric
- Ages 10+: 500 mg twice daily, max 2000 mg/day
Medical Disclaimer: Dosage information is for reference only. Your prescribing doctor determines the appropriate dose for your condition.