Skip to content

Drug interactions

Alteplase + Dong quai

Severity: Moderate

Alteplase and Dong quai: 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-like constituents and may increase bleeding tendency, which could add to the effect of alteplase. Evidence is mainly from case reports with warfarin.

What this interaction means in plain words

Alteplase and Dong quai 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.

Evidence level: Low

Why it happens

Coumarin-like compounds and possible platelet inhibition may add to fibrinolytic bleeding risk.

What to do

Ask about herbal use and discontinue dong quai where feasible. Monitor for bleeding.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to see why Alteplase and Dong quai interact, what to do about it, and the sources.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Alteplase with Dong quai?

MediHelp rates the interaction as moderate. Alteplase and Dong quai 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-like constituents and may increase bleeding tendency, which could add to the effect of alteplase. Evidence is mainly from case reports with warfarin.

How serious is the interaction between Alteplase and Dong quai?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ask about herbal use and discontinue dong quai where feasible. Monitor for bleeding.

What other medicines interact with Alteplase?

MediHelp also lists interactions of Alteplase with, for example, Defibrotide, Reteplase, Tenecteplase. The full list is on the Alteplase page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in