Drug interactions
Dipyridamole + Vorapaxar
Severity: Major
Dipyridamole and Vorapaxar: major 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
Vorapaxar is a PAR-1 antagonist with antiplatelet action and carries a labeled bleeding risk. Combining it with dipyridamole, another antiplatelet agent, increases the likelihood of bleeding, including serious bleeding.
What this interaction means in plain words
Dipyridamole and Vorapaxar can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive inhibition of platelet function through different pathways (PAR-1 antagonism and adenosine reuptake/phosphodiesterase inhibition).
What to do
Avoid the combination where possible; if used, monitor closely for bleeding and reassess the need for each antiplatelet agent regularly.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Vorapaxar?
MediHelp rates the interaction as major. Dipyridamole and Vorapaxar can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Vorapaxar is a PAR-1 antagonist with antiplatelet action and carries a labeled bleeding risk. Combining it with dipyridamole, another antiplatelet agent, increases the likelihood of bleeding, including serious bleeding.
How serious is the interaction between Dipyridamole and Vorapaxar?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible; if used, monitor closely for bleeding and reassess the need for each antiplatelet agent regularly.
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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