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Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein. Warfarin is a medicine that you take to prevent blood clots. It is often called a blood thinner. Doctors give warfarin to reduce the risk of blood clots. You may be at risk for blood clots if you have atrial fibrillation or deep vein thrombosis. Some other health problems may also put you at risk. Warfarin slows the amount of time it takes for your blood to clot. It can cause bleeding problems. Even if you've been taking warfarin for a while, it's important to know how to take it safely. Foods and other medicines can affect the way warfarin works. Some can make warfarin work too well. This can cause bleeding problems. And some can make it work poorly, so that it does not prevent blood clots very well. You will need regular blood tests to check how long it takes for your blood to form a clot. This test is called a PT or prothrombin time test. The result of the test is called an INR level. Depending on the test results, your doctor or anticoagulation clinic may adjust your dose of warfarin. These steps can help you take warfarin safely. Current as of: October 25, 2024 Author: Ignite Healthwise, LLC Staff Current as of: October 25, 2024 Author: Ignite Healthwise, LLC Staff Clinical Review Board This information does not replace the advice of a doctor. Ignite Healthwise, LLC disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use and Privacy Policy. Learn how we develop our content. To learn more about Ignite Healthwise, LLC, visit webmdignite.com. © 2024-2025 Ignite Healthwise, LLC.Warfarin: Taking Your Medicine Safely
How do you take warfarin safely?
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Clinical Review Board
All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.