Metformin
Metformin is an oral medicine commonly used as part of the treatment of type 2 diabetes. It helps lower blood glucose mainly by reducing glucose production by the liver and improving the body's response to insulin.
Generic name: Metformin
What it may be used for
Metformin is commonly used in:
- Type 2 diabetes
- Blood glucose control alongside dietary and lifestyle changes
- Some patients with impaired glucose regulation where treatment is clinically indicated
Using it safely
Metformin is usually taken with or after food to reduce stomach-related side effects. The dose is individualized according to blood glucose control, kidney function, tolerance and the treatment plan.
It may be prescribed alone or together with other diabetes medicines.
Patients should take it as prescribed and should not stop or change the dose without discussing it with their healthcare provider.
Common side effects
- Nausea
- Diarrhoea
- Abdominal discomfort
- Bloating
- Reduced appetite
- Metallic taste These effects are often more noticeable when treatment is started and may improve with continued use.
Things to consider
Use with particular care in people with reduced kidney function.
Tell the healthcare provider about kidney disease, liver disease, heavy alcohol use or other significant medical conditions.
Kidney function may need to be checked before and during treatment.
Seek medical advice if severe vomiting, dehydration, unusual weakness or other concerning symptoms develop.
When it may not be suitable
Metformin should not be used in certain patients with severe kidney impairment or other conditions where the medicine is considered unsafe.
The prescribing clinician should assess kidney function and the patient's overall clinical condition before starting or continuing treatment.
This information is for general education and does not replace advice from a qualified health professional.
