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Why do I have to have my Coumadin levels checked?

Douglas E. Severance, MD
Family Medicine
If you take a blood thinner (Coumadin), you will have to have your blood levels checked periodically. Too much blood thinner can be dangerous, while too little blood thinner leaves you at risk for clots. If you have atrial fibrillation, your doctor probably prescribed an anti-coagulant medication such as warfarin (Coumadin). This medication helps prevent the risk of blood clots and stroke. Sometimes doctors prescribe aspirin, but warfarin (Coumadin) may be the most effective blood thinner.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.