Metformin
Glumetza, Fortamet, Riomet, and generics; previously available as Glucophage and Glucophage XR
Antidiabetic, biguanide
| B | 2 | Yes | Yes | No |
| Key |
- Tabs: 500, 850, 1000 mg
- Tabs, extended release:
- Generics: 500, 750, 1000 mg
- Fortamet and Glumetza: 500, 1000 mg
- Oral suspension (Riomet and generics): 100 mg/mL (120, 480 mL); may contain saccharin and propylene glycol
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Metformin." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309689/all/Metformin.
Metformin. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309689/all/Metformin. Accessed April 19, 2026.
Metformin. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309689/all/Metformin
Metformin [Internet]. In: Hughes HKH, Kahl LKL, editors. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 April 19]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309689/all/Metformin.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Metformin
ID - 309689
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309689/all/Metformin
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

