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Drug interactions

Fluvoxamine + Rucaparib

Severity: Minor

Fluvoxamine 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 is a moderate CYP1A2 inhibitor, and fluvoxamine is partly metabolized by CYP1A2. Fluvoxamine levels may rise slightly, but the clinical impact is likely limited.

What this interaction means in plain words

Fluvoxamine 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.

Fluvoxamine belongs to Central Nervous System; Rucaparib belongs to Oncology.

Evidence level: Low

Why it happens

Rucaparib inhibition of CYP1A2 may reduce fluvoxamine metabolism.

What to do

No empirical adjustment is needed; monitor for fluvoxamine adverse effects and reduce the dose if they emerge.

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 Fluvoxamine with Rucaparib?

MediHelp rates the interaction as minor. Fluvoxamine 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 is a moderate CYP1A2 inhibitor, and fluvoxamine is partly metabolized by CYP1A2. Fluvoxamine levels may rise slightly, but the clinical impact is likely limited.

How serious is the interaction between Fluvoxamine 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 empirical adjustment is needed; monitor for fluvoxamine adverse effects and reduce the dose if they emerge.

What other medicines interact with Fluvoxamine?

MediHelp also lists interactions of Fluvoxamine with, for example, Agomelatine, Alosetron, Fezolinetant. The full list is on the Fluvoxamine page.

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

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