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Drug interactions

Leuprolide + Ranolazine

Severity: Moderate

Leuprolide 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

Androgen deprivation therapy with leuprolide may prolong the QT interval, and ranolazine has a similar effect. The combination may increase the risk of torsades de pointes, particularly with other risk factors.

What this interaction means in plain words

Leuprolide 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.

Leuprolide belongs to Endocrine; Ranolazine belongs to Cardiovascular.

Evidence level: Low

Why it happens

Additive QT prolongation from androgen deprivation and ranolazine.

What to do

Check a baseline ECG and electrolytes and repeat periodically during therapy. Reconsider the antianginal if QTc becomes markedly prolonged.

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 Leuprolide with Ranolazine?

MediHelp rates the interaction as moderate. Leuprolide 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. Androgen deprivation therapy with leuprolide may prolong the QT interval, and ranolazine has a similar effect. The combination may increase the risk of torsades de pointes, particularly with other risk factors.

How serious is the interaction between Leuprolide 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: Check a baseline ECG and electrolytes and repeat periodically during therapy. Reconsider the antianginal if QTc becomes markedly prolonged.

What other medicines interact with Ranolazine?

MediHelp also lists interactions of Ranolazine with, for example, Adagrasib, Amobarbital, Apalutamide. The full list is on the Ranolazine page.

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