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Drug interactions

Rucaparib + Ulipristal

Severity: Minor

Rucaparib and Ulipristal: 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 is a weak CYP3A4 inhibitor and may modestly increase ulipristal exposure. Ulipristal is given as a single dose, so the clinical impact is likely small.

What this interaction means in plain words

Rucaparib and Ulipristal 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 inhibition of CYP3A4-mediated ulipristal metabolism by rucaparib.

What to do

No dose change is generally needed for a single ulipristal dose. Watch for increased adverse effects such as headache or nausea.

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 Rucaparib with Ulipristal?

MediHelp rates the interaction as minor. Rucaparib and Ulipristal 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 is a weak CYP3A4 inhibitor and may modestly increase ulipristal exposure. Ulipristal is given as a single dose, so the clinical impact is likely small.

How serious is the interaction between Rucaparib and Ulipristal?

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 for a single ulipristal dose. Watch for increased adverse effects such as headache or nausea.

What other medicines interact with Rucaparib?

MediHelp also lists interactions of Rucaparib with, for example, Cisapride, Ergotamine, Pimozide. The full list is on the Rucaparib page.

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

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