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Drug interactions

Progesterone + Rucaparib

Severity: Minor

Progesterone and Rucaparib: 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

Rucaparib inhibits CYP3A4 weakly and may increase progesterone exposure. Clinical significance is likely small.

What this interaction means in plain words

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

Progesterone belongs to Endocrine; Rucaparib belongs to Oncology.

Evidence level: Low

Why it happens

Rucaparib weakly inhibits CYP3A4, reducing progesterone metabolism.

What to do

No routine adjustment needed; monitor for progestogenic adverse effects such as sedation or bloating and reduce the dose if they occur.

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 Progesterone with Rucaparib?

MediHelp rates the interaction as minor. Progesterone and Rucaparib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rucaparib inhibits CYP3A4 weakly and may increase progesterone exposure. Clinical significance is likely small.

How serious is the interaction between Progesterone and Rucaparib?

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 routine adjustment needed; monitor for progestogenic adverse effects such as sedation or bloating and reduce the dose if they occur.

What other medicines interact with Progesterone?

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

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

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