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Drug interactions

Aspirin / citric acid / sodium bicarbonate + Fish oil

Severity: Moderate

Aspirin / citric acid / sodium bicarbonate and Fish oil: 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

The aspirin in this effervescent product inhibits platelets, and omega-3 fatty acids have mild antiplatelet activity. The combination may modestly increase bleeding tendency.

What this interaction means in plain words

Aspirin / citric acid / sodium bicarbonate and Fish oil 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: Moderate

Why it happens

Additive antiplatelet effects through COX-1 inhibition by aspirin and altered eicosanoid synthesis by omega-3 fatty acids.

What to do

Monitor for bleeding and bruising, especially with high omega-3 doses or other agents affecting hemostasis.

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 Aspirin / citric acid / sodium bicarbonate with Fish oil?

MediHelp rates the interaction as moderate. Aspirin / citric acid / sodium bicarbonate and Fish oil 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. The aspirin in this effervescent product inhibits platelets, and omega-3 fatty acids have mild antiplatelet activity. The combination may modestly increase bleeding tendency.

How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Fish oil?

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 for bleeding and bruising, especially with high omega-3 doses or other agents affecting hemostasis.

What other medicines interact with Fish oil?

MediHelp also lists interactions of Fish oil with, for example, Antithrombin alfa, Antithrombin iii, Aspirin. The full list is on the Fish oil page.

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

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