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Drug interactions

Linagliptin-metformin + Ranolazine

Severity: Moderate

Linagliptin-metformin and Ranolazine: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Ranolazine inhibits renal organic cation transporters and raises metformin plasma concentrations. Higher exposure increases the risk of gastrointestinal effects and lactic acidosis, especially with renal impairment.

What this interaction means in plain words

Linagliptin-metformin and Ranolazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Linagliptin-metformin belongs to Endocrine; Ranolazine belongs to Cardiovascular.

Evidence level: High

Why it happens

Inhibition of OCT2 and MATE1 reduces renal tubular secretion of metformin.

What to do

Limit metformin to the labeled maximum daily dose when used with ranolazine 1000 mg twice daily. Monitor renal function and glycemic control and watch for lactic acidosis.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Linagliptin-metformin with Ranolazine?

MediHelp rates the interaction as moderate. Linagliptin-metformin and Ranolazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ranolazine inhibits renal organic cation transporters and raises metformin plasma concentrations. Higher exposure increases the risk of gastrointestinal effects and lactic acidosis, especially with renal impairment.

How serious is the interaction between Linagliptin-metformin and Ranolazine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit metformin to the labeled maximum daily dose when used with ranolazine 1000 mg twice daily. Monitor renal function and glycemic control and watch for lactic acidosis.

What other medicines interact with Linagliptin-metformin?

MediHelp also lists interactions of Linagliptin-metformin with, for example, Apalutamide, Carbamazepine, Contrast media. The full list is on the Linagliptin-metformin page.

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