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Drug interactions

Clopidogrel + Enoxaparin

Severity: Moderate

Clopidogrel and Enoxaparin: 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

Combining enoxaparin with clopidogrel increases the risk of bleeding because one drug inhibits coagulation and the other inhibits platelets. The combination is often used intentionally in acute coronary syndromes, but bleeding events are more frequent.

What this interaction means in plain words

Clopidogrel and Enoxaparin 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.

Clopidogrel belongs to Cardiovascular; Enoxaparin belongs to Cardiovascular.

Evidence level: High

Why it happens

Additive pharmacodynamic effect: P2Y12 platelet inhibition plus anti-Xa and anti-thrombin III mediated anticoagulation.

What to do

Use when clinically indicated and monitor for bleeding, hemoglobin and platelets. Adjust the enoxaparin dose in renal impairment and avoid additional bleeding-risk drugs.

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 Clopidogrel with Enoxaparin?

MediHelp rates the interaction as moderate. Clopidogrel and Enoxaparin 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. Combining enoxaparin with clopidogrel increases the risk of bleeding because one drug inhibits coagulation and the other inhibits platelets. The combination is often used intentionally in acute coronary syndromes, but bleeding events are more frequent.

How serious is the interaction between Clopidogrel and Enoxaparin?

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 when clinically indicated and monitor for bleeding, hemoglobin and platelets. Adjust the enoxaparin dose in renal impairment and avoid additional bleeding-risk drugs.

What other medicines interact with Enoxaparin?

MediHelp also lists interactions of Enoxaparin with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Enoxaparin 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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