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Drug interactions

Enzalutamide + Montelukast

Severity: Moderate

Enzalutamide and Montelukast: 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

Enzalutamide is a strong CYP3A4 inducer and a moderate CYP2C8 inducer, and may lower montelukast exposure. This could reduce control of asthma or allergic symptoms.

What this interaction means in plain words

Enzalutamide and Montelukast 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.

Enzalutamide belongs to Endocrine; Montelukast belongs to Respiratory.

Evidence level: Moderate

Why it happens

Enzalutamide induces CYP3A4 and CYP2C8, increasing montelukast metabolism.

What to do

Monitor asthma control and consider additional controller therapy if symptoms worsen. Reassess response after enzalutamide is stopped.

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 Enzalutamide with Montelukast?

MediHelp rates the interaction as moderate. Enzalutamide and Montelukast 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. Enzalutamide is a strong CYP3A4 inducer and a moderate CYP2C8 inducer, and may lower montelukast exposure. This could reduce control of asthma or allergic symptoms.

How serious is the interaction between Enzalutamide and Montelukast?

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 asthma control and consider additional controller therapy if symptoms worsen. Reassess response after enzalutamide is stopped.

What other medicines interact with Montelukast?

MediHelp also lists interactions of Montelukast with, for example, Apalutamide, Carbamazepine, Deferasirox. The full list is on the Montelukast page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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