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Drug interactions

Darolutamide + Moxifloxacin

Severity: Moderate

Darolutamide and Moxifloxacin: 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 can prolong the QT interval and moxifloxacin is a recognized QT-prolonging fluoroquinolone. Combined use may increase the risk of torsades de pointes.

What this interaction means in plain words

Darolutamide and Moxifloxacin 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.

Darolutamide belongs to Miscellaneous; Moxifloxacin belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Additive QT prolongation; moxifloxacin blocks hERG potassium channels and androgen deprivation may prolong repolarization.

What to do

Consider a non-QT-prolonging antibiotic where feasible. If used together, check the ECG and correct potassium and magnesium.

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 Darolutamide with Moxifloxacin?

MediHelp rates the interaction as moderate. Darolutamide and Moxifloxacin 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 can prolong the QT interval and moxifloxacin is a recognized QT-prolonging fluoroquinolone. Combined use may increase the risk of torsades de pointes.

How serious is the interaction between Darolutamide and Moxifloxacin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider a non-QT-prolonging antibiotic where feasible. If used together, check the ECG and correct potassium and magnesium.

What other medicines interact with Darolutamide?

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

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

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