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Drug interactions

Iloperidone + Vinblastine

Severity: Moderate

Iloperidone and Vinblastine: 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

Iloperidone has been described as a time-dependent CYP3A inhibitor and may modestly increase vinblastine exposure. This could increase the risk of myelosuppression and neurotoxicity.

What this interaction means in plain words

Iloperidone and Vinblastine 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.

Iloperidone belongs to Central Nervous System; Vinblastine belongs to Oncology.

Evidence level: Low

Why it happens

Iloperidone inhibits CYP3A4 metabolism of vinblastine.

What to do

Monitor blood counts and neurologic status and reduce the vinblastine dose if toxicity appears.

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 Iloperidone with Vinblastine?

MediHelp rates the interaction as moderate. Iloperidone and Vinblastine 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. Iloperidone has been described as a time-dependent CYP3A inhibitor and may modestly increase vinblastine exposure. This could increase the risk of myelosuppression and neurotoxicity.

How serious is the interaction between Iloperidone and Vinblastine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and neurologic status and reduce the vinblastine dose if toxicity appears.

What other medicines interact with Vinblastine?

MediHelp also lists interactions of Vinblastine with, for example, Adenovirus types 4 and 7 live, Apalutamide, Atazanavir. The full list is on the Vinblastine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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