Drug interactions
Clopidogrel + Dabigatran
Severity: Major
Clopidogrel and Dabigatran: major interaction.
Last updated Sources: UK SmPC
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
Both drugs impair hemostasis through different pathways, so combined use raises the risk of bleeding, including major and GI bleeding. Combination therapy is sometimes used, for example in atrial fibrillation after stenting.
What this interaction means in plain words
Clopidogrel and Dabigatran can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive effect of direct thrombin inhibition and P2Y12 platelet inhibition.
What to do
Use only when clearly indicated, at the lowest effective dose and shortest duration, and add a proton pump inhibitor. Monitor for bleeding, hemoglobin, and renal function.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
- Clopidogrel 75 mg film-coated tablets - SmPC sections 4.3/4.5 (class statement: oral anticoagulants; "The concomitant administration of clopidogrel with oral anticoagulants is not recommended since it may increase the intensity of bleedings (see section 4.4).") — electronic medicines compendium (UK SmPC)
Other interactions of Clopidogrel
Frequently asked questions
Can I take Clopidogrel with Dabigatran?
MediHelp rates the interaction as major. Clopidogrel and Dabigatran can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs impair hemostasis through different pathways, so combined use raises the risk of bleeding, including major and GI bleeding. Combination therapy is sometimes used, for example in atrial fibrillation after stenting.
How serious is the interaction between Clopidogrel and Dabigatran?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only when clearly indicated, at the lowest effective dose and shortest duration, and add a proton pump inhibitor. Monitor for bleeding, hemoglobin, and renal function.
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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