Drug interactions
Dipyridamole + Horse chestnut seed
Severity: Minor
Dipyridamole and Horse chestnut seed: 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 seed contains aescin and has been reported to have coumarin-like constituents, so it may theoretically add to the bleeding tendency from dipyridamole. The interaction is theoretical and not well documented.
What this interaction means in plain words
Dipyridamole and Horse chestnut seed 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; the mechanism is not firmly established.
What to do
Discourage use of horse chestnut preparations with dipyridamole where possible. Watch for signs of bleeding or bruising.
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 Dipyridamole
- Dipyridamole + Riociguat Contraindicated
- Adenosine + Dipyridamole Major
- Betrixaban + Dipyridamole Major
- Dabigatran + Dipyridamole Major
- Dipyridamole + Regadenoson Major
- Dipyridamole + Venetoclax Major
Frequently asked questions
Can I take Dipyridamole with Horse chestnut seed?
MediHelp rates the interaction as minor. Dipyridamole and Horse chestnut seed 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 seed contains aescin and has been reported to have coumarin-like constituents, so it may theoretically add to the bleeding tendency from dipyridamole. The interaction is theoretical and not well documented.
How serious is the interaction between Dipyridamole and Horse chestnut seed?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Discourage use of horse chestnut preparations with dipyridamole where possible. Watch for signs of bleeding or bruising.
What other medicines interact with Dipyridamole?
MediHelp also lists interactions of Dipyridamole with, for example, Riociguat, Adenosine, Betrixaban. The full list is on the Dipyridamole page.
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