Drug interactions
Horse chestnut seed + Naproxen
Severity: Minor
Horse chestnut seed and Naproxen: 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
Horse chestnut contains aescin and coumarin-like compounds that may have antiplatelet or anticoagulant effects. With naproxen, bleeding risk could theoretically increase.
What this interaction means in plain words
Horse chestnut seed and Naproxen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Theoretical additive effect on hemostasis; not well established.
What to do
Advise patients to report unusual bruising or bleeding when using both.
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?
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Other interactions of Naproxen
- Ketorolac intranasal + Naproxen Contraindicated
- Ketorolac + Naproxen Contraindicated
- Aceclofenac + Naproxen Major
- Acemetacin + Naproxen Major
- Acetylsalicylic acid + Naproxen Major
- Alteplase + Naproxen Major
Frequently asked questions
Can I take Horse chestnut seed with Naproxen?
MediHelp rates the interaction as minor. Horse chestnut seed and Naproxen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Horse chestnut contains aescin and coumarin-like compounds that may have antiplatelet or anticoagulant effects. With naproxen, bleeding risk could theoretically increase.
How serious is the interaction between Horse chestnut seed and Naproxen?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to report unusual bruising or bleeding when using both.
What other medicines interact with Naproxen?
MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.
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