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Drug interactions

Brexpiprazole + Ranolazine

Severity: Moderate

Brexpiprazole 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 is a weak to moderate CYP2D6 inhibitor and can raise brexpiprazole exposure, which is cleared by CYP2D6 and CYP3A4. The effect is mainly relevant when other inhibitors are present, such as in CYP2D6 poor metabolizers or with strong CYP3A4 inhibitors.

What this interaction means in plain words

Brexpiprazole 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.

Brexpiprazole belongs to Central Nervous System; Ranolazine belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Inhibition of CYP2D6-mediated brexpiprazole metabolism by ranolazine, increasing brexpiprazole exposure.

What to do

Watch for akathisia, sedation and orthostatic hypotension; reduce the brexpiprazole dose according to labeling if ranolazine is combined with other CYP2D6 or CYP3A4 inhibitors.

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 Brexpiprazole with Ranolazine?

MediHelp rates the interaction as moderate. Brexpiprazole 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 is a weak to moderate CYP2D6 inhibitor and can raise brexpiprazole exposure, which is cleared by CYP2D6 and CYP3A4. The effect is mainly relevant when other inhibitors are present, such as in CYP2D6 poor metabolizers or with strong CYP3A4 inhibitors.

How serious is the interaction between Brexpiprazole 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: Watch for akathisia, sedation and orthostatic hypotension; reduce the brexpiprazole dose according to labeling if ranolazine is combined with other CYP2D6 or CYP3A4 inhibitors.

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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