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- What brand names are available for metformin?
- Is metformin available as a generic drug?
- Do I need a prescription for metformin?
- What are the uses for metformin?
- What are the side effects of metformin?
- What is the dosage for metformin?
- Which drugs or supplements interact with metformin?
- Is metformin safe to take if I'm pregnant or breastfeeding?
- What else should I know about metformin?
What brand names are available for metformin?
Glucophage, Glucophage XR, Glumetza, Fortamet, Riomet
Is metformin available as a generic drug?
GENERIC AVAILABLE: Yes
Do I need a prescription for metformin?
What are the uses for metformin?
- Metformin is used for treating type 2 diabetes in adults and children. It may be used alone or in combination with other diabetic medications.
- Metformin also has been used to prevent the development of diabetes in people at risk for diabetes, treatment of polycystic ovaries, and weight gain due to medications used for treating psychoses.
What are the side effects of metformin?
The most common side effects with metformin are
These symptoms occur in one out of every three patients. These side effects may be severe enough to cause therapy to be discontinued in one out of every 20 patients. These side effects are related to the dose of the medication and may decrease if the dose is reduced.
Metformin may also cause:
- respiratory tract infections,
- low levels of vitamin B-12,
- low blood glucose,
- heartburn, and
A serious but rare side effect of metformin is lactic acidosis. Lactic acidosis occurs in one out of every 30,000 patients and is fatal in 50% of cases. The symptoms of lactic acidosis are
- trouble breathing,
- abnormal heartbeats,
- unusual muscle pain,
- stomach discomfort,
- light-headedness, and
- feeling cold.
Patients at risk for lactic acidosis include those with reduced function of the
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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