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Riomet
  • Treatments
  • Diabetes
  • Type 2

Riomet

Generic name:metforminmet-FOR-min ]
Brand names: Riomet Oral Solution, Riomet ER Oral Suspension, Extended Release
Drug class:Non-sulfonylureas

Medically reviewed by Philip Thornton, DipPharm. Last updated on Apr 25, 2022.

What is Riomet?

Riomet is an oral diabetes medicine that helps control blood sugar levels.

Riomet are used together with diet and exercise to improve blood sugar control in adults with type 2 diabetes mellitus.

Riomet is sometimes used together with insulin or other medications, but metformin is not for treating type 1 diabetes.

Riomet is supplied as an oral solution or an extended release oral suspension.

Warnings

You should not use Riomet if you have severe kidney disease, metabolic acidosis, or diabetic ketoacidosis (call your doctor for treatment).

If you need to have any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking Riomet.

You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired.

Before taking this medicine

You should not use Riomet if you are allergic to metformin, or if you have:

  • severe kidney disease; or

  • metabolic acidosis or diabetic ketoacidosis (call your doctor for treatment).

If you need to have surgery or any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking Riomet. Be sure your caregivers know ahead of time that you are using this medication.

Tell your doctor if you have ever had:

  • kidney disease (your kidney function may need to be checked before you take this medicine);

  • high ketone levels in your blood or urine;

  • heart disease, congestive heart failure;

  • liver disease; or

  • if you also use insulin, or other oral diabetes medications.

You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. This may be more likely if you have other medical conditions, a severe infection, chronic alcoholism, or if you are 65 or older. Ask your doctor about your risk.

Follow your doctor's instructions about using Riomet if you are pregnant or you become pregnant. Controlling diabete...