Drug interactions
Heparin + Prasugrel
Severity: Major
Heparin and Prasugrel: 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
Combining an anticoagulant with a potent P2Y12 inhibitor increases bleeding risk. This is sometimes done intentionally during PCI, but bleeding risk remains high.
What this interaction means in plain words
Heparin and Prasugrel 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.
Heparin belongs to Cardiovascular; Prasugrel belongs to Cardiovascular.
Why it happens
Additive effects on hemostasis via anticoagulation and platelet inhibition.
What to do
Use only when indicated, such as during PCI, with weight-based heparin dosing, and monitor for bleeding and hemoglobin.
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 Heparin
- Defibrotide + Heparin Contraindicated
- Heparin + Ketorolac Contraindicated
- Heparin + Oritavancin Contraindicated
- Acemetacin + Heparin Major
- Acetylsalicylic acid + Heparin Major
- Alteplase + Heparin Major
Other interactions of Prasugrel
Frequently asked questions
Can I take Heparin with Prasugrel?
MediHelp rates the interaction as major. Heparin and Prasugrel 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. Combining an anticoagulant with a potent P2Y12 inhibitor increases bleeding risk. This is sometimes done intentionally during PCI, but bleeding risk remains high.
How serious is the interaction between Heparin and Prasugrel?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only when indicated, such as during PCI, with weight-based heparin dosing, and monitor for bleeding and hemoglobin.
What other medicines interact with Heparin?
MediHelp also lists interactions of Heparin with, for example, Defibrotide, Ketorolac, Oritavancin. The full list is on the Heparin page.
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