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Drug interactions

Rivaroxaban + Saw palmetto

Severity: Minor

Rivaroxaban and Saw palmetto: 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

Saw palmetto has been linked in case reports to increased bleeding, and may add to the hemorrhagic risk of rivaroxaban. The evidence is limited and the mechanism is uncertain.

What this interaction means in plain words

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

Rivaroxaban belongs to Cardiovascular; Saw palmetto belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Mechanism not established; possible mild antiplatelet effect.

What to do

Ask patients about herbal use and advise monitoring for bruising or bleeding. Consider stopping the supplement if bleeding occurs.

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 Rivaroxaban with Saw palmetto?

MediHelp rates the interaction as minor. Rivaroxaban and Saw palmetto have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Saw palmetto has been linked in case reports to increased bleeding, and may add to the hemorrhagic risk of rivaroxaban. The evidence is limited and the mechanism is uncertain.

How serious is the interaction between Rivaroxaban and Saw palmetto?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ask patients about herbal use and advise monitoring for bruising or bleeding. Consider stopping the supplement if bleeding occurs.

What other medicines interact with Rivaroxaban?

MediHelp also lists interactions of Rivaroxaban with, for example, Defibrotide, Ketoconazole, Ketorolac. The full list is on the Rivaroxaban page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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