warfarin
noun
war·fa·rin
| \ ˈwȯr-fə-rən
\
\
Definition of warfarin
: 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
The DOACs are short acting drugs, while warfarin keeps acting for well over 24 hours. — Howard Lewine, sun-sentinel.com, "Stay on Coumadin or switch to a new blood thinner?," 14 Aug. 2019 For clots in the legs, doctors usually will put a patient on injectable or IV blood thinners (like heparin), and then move them to blood thinners in a pill form (like warfarin or dabigatran), the Mayo Clinic says. — Korin Miller, SELF, "Serena Williams Dedicates Her Wimbledon Performance to ‘All the Moms Out There’ in an Emotional Interview," 17 July 2018 From warfarin, Link derives a drug called Coumadin, which is used as a blood thinner to treat heart patients and prevent blood clotting. — Mark Johnson, Milwaukee Journal Sentinel, "UW scientific advances include vitamins, growing human embryonic stem cells in lab," 12 July 2018 One of the most well-known is Coumadin, or its generic version, warfarin. — Sandy Bauers, Philly.com, "How high-tech genomics - and simple aspirin - could make your joint replacement better," 17 May 2018 Blood thinners 1941: Karl Paul Link, a professor in UW’s Department of Agriculture, develops the anticoagulant warfarin, used as a rat poison. — Mark Johnson, Milwaukee Journal Sentinel, "UW scientific advances include vitamins, growing human embryonic stem cells in lab," 12 July 2018 Based on the results of those tests, a doctor ordered him to discontinue warfarin and switch to another drug. — Ken Alltucker, USA TODAY, "As Theranos drama unwinds, former patients claim inaccurate tests changed their lives," 5 July 2018 Then, on a longer-term basis, blood thinners in a pill form — Coumadin or its generic equivalent, warfarin — are prescribed. — Sandy Bauers, Philly.com, "5 Questions: Lessons from the early death of Maroon 5 manager Jordan Feldstein," 6 Apr. 2018 It can also be treated by anti-arrhythmic drugs including amiodarone, and some patients may take anticoagulant drugs like warfarin to reduce the risk of stroke. — Peter Loftus, WSJ, "Heart Device Procedure Is No Better Than Drug Therapy for Irregular Heartbeat: Study," 10 May 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'warfarin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for warfarin
warfarin
noun
war·fa·rin
| \ ˈwȯr-fə-rən
\
\
Medical Definition of warfarin
: 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