warfarin
noun
war·fa·rin
ˈwȯr-fə-rən 
: a crystalline anticoagulant coumarin derivative C19H16O4 that inhibits the production of prothrombin by vitamin K and is used as a rodent poison and in medicine
also
: its sodium salt C19H15NaO4 used especially in the prevention or treatment of thromboembolic disease
Examples of warfarin in a Sentence
Recent Examples on the Web
Vitamin E can increase the risk of bleeding when it’s taken with blood-thinning medications like warfarin.
—
Alyssa Hui, Verywell Health, 25 May 2023
Cannabis can interact with certain medications, like warfarin, a drug used to treat blood clots.
—Christina Caron, New York Times, 16 Nov. 2023
Most experts choose one of the DOACs over warfarin because they have been proven to have lower risk of both stroke and major bleeding, compared with warfarin.
—Dr. Keith Roach, oregonlive, 17 Nov. 2022
For example, vitamin A may decrease the function of warfarin, a blood thinner.
—Amanda MacMillan, Health, 28 Sep. 2023
For example, leafy greens with high amounts of vitamin K can lower the effectiveness of the blood thinner warfarin.
—Kayla B. Rowe, Fortune Well, 17 Sep. 2023
High doses of vitamin K2 may interfere with blood-thinning medications like warfarin.
—Amber Smith, Discover Magazine, 3 Aug. 2023
People with risk factors for stroke should generally continue anticoagulation, such as with warfarin (Coumadin) or a newer medication, which doesn’t require blood monitoring.
—Dr. Keith Roach, oregonlive, 19 June 2023
Ginkgo biloba supplements can also increase the risk of bleeding when taken with blood-thinning medications like warfarin or aspirin.12 Licorice root and diuretics or blood pressure medications.
—Alyssa Hui, Verywell Health, 25 May 2023
Alyssa Hui, Verywell Health, 25 May 2023
Cannabis can interact with certain medications, like warfarin, a drug used to treat blood clots.
—Christina Caron, New York Times, 16 Nov. 2023
Most experts choose one of the DOACs over warfarin because they have been proven to have lower risk of both stroke and major bleeding, compared with warfarin.
—Dr. Keith Roach, oregonlive, 17 Nov. 2022
For example, vitamin A may decrease the function of warfarin, a blood thinner.
—Amanda MacMillan, Health, 28 Sep. 2023
For example, leafy greens with high amounts of vitamin K can lower the effectiveness of the blood thinner warfarin.
—Kayla B. Rowe, Fortune Well, 17 Sep. 2023
High doses of vitamin K2 may interfere with blood-thinning medications like warfarin.
—Amber Smith, Discover Magazine, 3 Aug. 2023
People with risk factors for stroke should generally continue anticoagulation, such as with warfarin (Coumadin) or a newer medication, which doesn’t require blood monitoring.
—Dr. Keith Roach, oregonlive, 19 June 2023
Ginkgo biloba supplements can also increase the risk of bleeding when taken with blood-thinning medications like warfarin or aspirin.12 Licorice root and diuretics or blood pressure medications.
—Alyssa Hui, Verywell Health, 25 May 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'warfarin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near warfarin
Cite this Entry
“Warfarin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/warfarin. Accessed 18 Apr. 2024.
Copy CitationMedical Definition
warfarin
noun
war·fa·rin
ˈwȯr-fə-rən
: a crystalline anticoagulant coumarin derivative C19H16O4 related to dicumarol that inhibits the production of prothrombin by vitamin K and is used as a rodent poison and in medicine
also
: its sodium salt C19H15NaO4 used especially in the prevention or treatment of thromboembolic disease see coumadin
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