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Drug interactions

Alteplase + Danshen

Severity: Moderate

Alteplase and Danshen: 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

Danshen has antiplatelet and anticoagulant properties reported in case reports with warfarin, so it could add to bleeding risk with alteplase. Clinical data with thrombolytics are lacking.

What this interaction means in plain words

Alteplase and Danshen 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

Danshen inhibits platelet aggregation and may have anticoagulant effects, giving additive bleeding risk.

What to do

Ask about herbal use and stop danshen before elective thrombolysis where possible. 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.

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Frequently asked questions

Can I take Alteplase with Danshen?

MediHelp rates the interaction as moderate. Alteplase and Danshen 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. Danshen has antiplatelet and anticoagulant properties reported in case reports with warfarin, so it could add to bleeding risk with alteplase. Clinical data with thrombolytics are lacking.

How serious is the interaction between Alteplase and Danshen?

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 stop danshen before elective thrombolysis where possible. 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.

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