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Drug interactions

Danazol + Mifepristone

Severity: Minor

Danazol and Mifepristone: minor 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

Danazol is a weak CYP3A4 inhibitor and may modestly raise mifepristone concentrations. The clinical significance is likely small.

What this interaction means in plain words

Danazol and Mifepristone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Weak CYP3A4 inhibition by danazol reduces mifepristone metabolism.

What to do

No dose change is generally needed; monitor for increased mifepristone adverse effects.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Danazol with Mifepristone?

MediHelp rates the interaction as minor. Danazol and Mifepristone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Danazol is a weak CYP3A4 inhibitor and may modestly raise mifepristone concentrations. The clinical significance is likely small.

How serious is the interaction between Danazol and Mifepristone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is generally needed; monitor for increased mifepristone adverse effects.

What other medicines interact with Mifepristone?

MediHelp also lists interactions of Mifepristone with, for example, Apixaban, Argatroban, Cisapride. The full list is on the Mifepristone page.

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

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