Drug interactions
Aspirin / citric acid / sodium bicarbonate + Clopidogrel
Severity: Moderate
Aspirin / citric acid / sodium bicarbonate and Clopidogrel: 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
Dual antiplatelet therapy with aspirin and clopidogrel is intentional in many cardiovascular indications but substantially increases bleeding risk, especially GI bleeding. Effervescent aspirin products contain high sodium, which may matter for some patients.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Clopidogrel 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
Additive platelet inhibition via COX-1 blockade and P2Y12 receptor antagonism.
What to do
Use only when dual therapy is indicated, with the shortest necessary duration and a low aspirin dose. Consider a proton pump inhibitor and monitor for bleeding and anemia.
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 Clopidogrel
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Clopidogrel?
MediHelp rates the interaction as moderate. Aspirin / citric acid / sodium bicarbonate and Clopidogrel 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. Dual antiplatelet therapy with aspirin and clopidogrel is intentional in many cardiovascular indications but substantially increases bleeding risk, especially GI bleeding. Effervescent aspirin products contain high sodium, which may matter for some patients.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Clopidogrel?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only when dual therapy is indicated, with the shortest necessary duration and a low aspirin dose. Consider a proton pump inhibitor and monitor for bleeding and anemia.
What other medicines interact with Clopidogrel?
MediHelp also lists interactions of Clopidogrel with, for example, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Abrocitinib, Acetylsalicylic acid. The full list is on the Clopidogrel page.
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