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Drug interactions

Clopidogrel + Defibrotide

Severity: Moderate

Clopidogrel and Defibrotide: 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

Defibrotide has profibrinolytic and antithrombotic activity, and combining it with an antiplatelet such as clopidogrel may increase the risk of bleeding. Defibrotide labeling advises against concurrent use with systemic anticoagulants or fibrinolytics, and caution applies with other agents affecting hemostasis.

What this interaction means in plain words

Clopidogrel and Defibrotide 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; Defibrotide belongs to Cardiovascular.

Evidence level: Low

Why it happens

Additive pharmacodynamic effects on hemostasis from platelet P2Y12 inhibition and defibrotide's profibrinolytic activity.

What to do

Monitor for signs of bleeding and check hemoglobin and coagulation parameters regularly. Consider whether clopidogrel can be held during defibrotide therapy if bleeding occurs.

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 Defibrotide?

MediHelp rates the interaction as moderate. Clopidogrel and Defibrotide 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. Defibrotide has profibrinolytic and antithrombotic activity, and combining it with an antiplatelet such as clopidogrel may increase the risk of bleeding. Defibrotide labeling advises against concurrent use with systemic anticoagulants or fibrinolytics, and caution applies with other agents affecting hemostasis.

How serious is the interaction between Clopidogrel and Defibrotide?

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 signs of bleeding and check hemoglobin and coagulation parameters regularly. Consider whether clopidogrel can be held during defibrotide therapy if bleeding occurs.

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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