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Drug interactions

Fish oil + Tenecteplase

Severity: Moderate

Fish oil and Tenecteplase: 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

Tenecteplase is a thrombolytic with substantial bleeding risk, and omega-3 fatty acids mildly impair platelet function. The added effect of fish oil is probably small but may contribute to bleeding.

What this interaction means in plain words

Fish oil and Tenecteplase 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.

Fish oil belongs to Gastrointestinal Tract; Tenecteplase belongs to Cardiovascular.

Evidence level: Low

Why it happens

Additive effects on hemostasis from fibrinolysis and mild platelet inhibition.

What to do

Monitor closely for bleeding during and after thrombolysis; consider holding fish oil supplements in the acute setting.

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 Fish oil with Tenecteplase?

MediHelp rates the interaction as moderate. Fish oil and Tenecteplase 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. Tenecteplase is a thrombolytic with substantial bleeding risk, and omega-3 fatty acids mildly impair platelet function. The added effect of fish oil is probably small but may contribute to bleeding.

How serious is the interaction between Fish oil and Tenecteplase?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor closely for bleeding during and after thrombolysis; consider holding fish oil supplements in the acute setting.

What other medicines interact with Fish oil?

MediHelp also lists interactions of Fish oil with, for example, Antithrombin alfa, Antithrombin iii, Aspirin / citric acid / sodium bicarbonate. The full list is on the Fish oil 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.

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