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Drug interactions

Dabrafenib + Vortioxetine

Severity: Moderate

Dabrafenib and Vortioxetine: 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

Dabrafenib induces CYP3A4 and CYP2C9 and may lower vortioxetine concentrations, reducing antidepressant effect. Vortioxetine labeling advises considering a dose increase with prolonged use of broad CYP inducers.

What this interaction means in plain words

Dabrafenib and Vortioxetine 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.

Dabrafenib belongs to Oncology; Vortioxetine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Dabrafenib induces CYP enzymes, mainly CYP3A4, increasing the metabolism of vortioxetine.

What to do

Monitor for loss of efficacy and consider increasing vortioxetine within the labeled maximum, with no more than three times the original dose. Return to the original dose within 14 days of stopping dabrafenib.

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 Dabrafenib with Vortioxetine?

MediHelp rates the interaction as moderate. Dabrafenib and Vortioxetine 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. Dabrafenib induces CYP3A4 and CYP2C9 and may lower vortioxetine concentrations, reducing antidepressant effect. Vortioxetine labeling advises considering a dose increase with prolonged use of broad CYP inducers.

How serious is the interaction between Dabrafenib and Vortioxetine?

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 for loss of efficacy and consider increasing vortioxetine within the labeled maximum, with no more than three times the original dose. Return to the original dose within 14 days of stopping dabrafenib.

What other medicines interact with Vortioxetine?

MediHelp also lists interactions of Vortioxetine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Vortioxetine page.

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