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Drug interactions

Darolutamide + Nitrofurantoin

Severity: Moderate

Darolutamide and Nitrofurantoin: 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

Darolutamide inhibits BCRP, a transporter that nitrofurantoin may use for efflux. Exposure to nitrofurantoin could increase, though the clinical effect is not well characterized.

What this interaction means in plain words

Darolutamide and Nitrofurantoin 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; Nitrofurantoin belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Inhibition of BCRP-mediated efflux, which may increase nitrofurantoin exposure.

What to do

Monitor for nitrofurantoin adverse effects such as nausea, neuropathy and pulmonary symptoms during prolonged therapy. Prefer short courses and review renal function.

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 Nitrofurantoin?

MediHelp rates the interaction as moderate. Darolutamide and Nitrofurantoin 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 inhibits BCRP, a transporter that nitrofurantoin may use for efflux. Exposure to nitrofurantoin could increase, though the clinical effect is not well characterized.

How serious is the interaction between Darolutamide and Nitrofurantoin?

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 nitrofurantoin adverse effects such as nausea, neuropathy and pulmonary symptoms during prolonged therapy. Prefer short courses and review renal function.

What other medicines interact with Nitrofurantoin?

MediHelp also lists interactions of Nitrofurantoin with, for example, Pexidartinib, Pretomanid, Aluminum hydroxide. The full list is on the Nitrofurantoin page.

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

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