Drug interactions
Dong quai + Heparin
Severity: Moderate
Dong quai and Heparin: moderate 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
Dong quai contains coumarin-type constituents and has been reported to have antiplatelet and anticoagulant activity. Together with heparin it may increase bleeding risk, though the evidence is limited.
What this interaction means in plain words
Dong quai and Heparin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Coumarin constituents and possible platelet inhibition may add to heparin's anticoagulant effect.
What to do
Advise patients to avoid dong quai during heparin therapy. Monitor for bleeding and coagulation parameters if it has been used.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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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
Frequently asked questions
Can I take Dong quai with Heparin?
MediHelp rates the interaction as moderate. Dong quai and Heparin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Dong quai contains coumarin-type constituents and has been reported to have antiplatelet and anticoagulant activity. Together with heparin it may increase bleeding risk, though the evidence is limited.
How serious is the interaction between Dong quai and Heparin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid dong quai during heparin therapy. Monitor for bleeding and coagulation parameters if it has been used.
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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