Warfarin

This page contains recent news articles, when available, and an overview of Warfarin but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.


Overview:

Warfarin
(when available)

Pharmacology and use:
Warfarin, a coumarin anticoagulant, is a racemic mixture of two active isomers. It is used in the prevention and treatment of thromboembolic disease including venous thrombosis, thromboembolism, and pulmonary embolism as well as for the prevention of ischemic stroke in patients with atrial fibrillation (AF). For the treatment of retinal vascular occlusion, pulmonary embolism, cardiomyopathy, atrial fibrillation and flutter, cerebral embolism;, transient cerebral ischaemia, arterial embolism and thrombosis.

Mechanism Of Action:
Warfarin inhibits vitamin K reductase, resulting in depletion of the reduced form of vitamin K (vitamin KH2). As vitamin K is a cofactor for the carboxylation of glutamate residues on the N-terminal regions of vitamin K-dependent proteins, this limits the gamma-carboxylation and subsequent activation of the vitamin K-dependent coagulant proteins. The synthesis of vitamin K-dependent coagulation factors II, VII, IX, and X and anticoagulant proteins C and S is inhibited. Depression of three of the four vitamin K-dependent coagulation factors (factors II, VII, and X) results in decresed prothrombin levels and a decrease in the amount of thrombin generated and bound to fibrin. This reduces the thrombogenicity of clots.

News Articles on Warfarin

Aryx gets FDA guidance on blood clot drug  -  06 Jan 2010
Tecarfarin was being tested against an existing anticoagulant, warfarin, which Aryx hopes it will ultimately outperform. But in July Aryx (NASDAQ: ARYX) ... East Bay Business Times

ARYx Therapeutics Receives Guidance on Anticoagulant Agent Tecarfarin  -  06 Jan 2010
The FDA reiterated that INR measurements could be used as a surrogate endpoint, that the superiority of tecarfarin over warfarin could be established in the ... Genetic Engineering News (press release)

New Analysis Showed Effient(R) Cost-Effective Compared with Clopidogrel for ...  -  06 Jan 2010
If patients are 75 or older, or if they weigh less than 132 pounds, or if they are taking anticoagulants (eg, warfarin) or taking NSAIDs (eg, ibuprofen or ... PR Newswire (press release)

Market Report -- In Play (ARYX)  -  06 Jan 2010
...whether one successful additional clinical trial, comparing the safety and efficacy of tecarfarin to warfarin, the leading anticoagulant therapy, ... MSN Money

Genetic Mutations of the Year  -  06 Jan 2010
The list includes a number of other variations that affect metabolism of a number of drugs, such as warfarin, or the susceptibility to side effects from ... MIT Technology Review (blog)

New blood thinners may compete with warfarin, but they're not perfect drugs  -  ‎Jan 5, 2010‎
Warfarin, one of the most inconvenient, dangerous and disliked drugs in the world, has remained vitally important for more than 50 years ... Washington Post

Ask Dr. H: Needle biopsy still the best cancer test | Philadelphia Inquirer ...  -  ‎Jan 4, 2010‎
The blood-thinner Coumadin (a brand name for warfarin), before it was discovered to be a valuable human medicine, was indeed a very effective poison for ... Philadelphia Inquirer

A year to remember: AHA picks top 10 studies for 2009  -  ‎Jan 4, 2010‎
For RE-LY, hopes had been that dabigatran would prove at least as safe and effective as warfarin as an oral anticoagulant for stroke prevention in patients ... TheHeart.Org

Home INR Testing - Improved Coumadin Safety is in Your Hands  -  ‎Jan 4, 2010‎
Home INR testing improves safety for women on warfarin Coumadin® (warfarin) has been prescribed for over 60 years to prevent dangerous blood clots which can ... EmpowHer (blog)

New heart device decreases stroke risk  -  ‎Jan 4, 2010‎
21 to determine if he can stop taking Warfarin, the anti-blood-clotting medication he's been taking for the last five years. The anti-coagulant medication ... Phoenix Business Journal

Year In Review: Highlights of 2009 Include Data on New Devices, Antiplatelets  -  ‎Jan 4, 2010‎
The narrow victory came with several stipulations, among them the unexpected decision that the device should be approved in warfarin-eligible patients only. ... TCTMD

New Approaches for Stroke Prevention in Atrial Fibrillation  -  ‎Dec 31, 2009‎
Are there any alternative therapies to warfarin in the prevention of stroke for patients with atrial fibrillation? Atrial fibrillation is a common cause of ... Medscape

Health Care Reform, Swine Flu Top Health News for 2009  -  ‎Dec 30, 2009‎
Alternative to Warfarin May Be Near. For decades, a tough-to-manage blood thinner called warfarin has been the standard of care for millions of heart ... BusinessWeek

Taking herbal supplement to ward off memory problems in old age 'a waste of time'  -  ‎Dec 29, 2009‎
...the supplement should not be used during pregnancy or breast-feeding or by patients taking blood thinning drugs such as warfarin. ... Telegraph.co.uk

Ask the doctor: I'm worried I'm on the wrong drugs for my DVT  -  ‎Jan 4, 2010‎
I have since been informed that this is a lifethreatening condition and I should be taking warfarin or the equivalent. Could you please advise? ... Daily Mail

Title: Efficacy and Safety of Dabigatran Compared to Warfarin for 6-Month ...  -  ‎Dec 17, 2009‎
Recently, it was found that dabigatran 150 mg bid had superior efficacy with similar safety when compared with warfarin, when used in preventing stroke in ... Cardiosource

Blood thinners  -  ‎Dec 28, 2009‎
I am on Warfarin, and we shall discuss this later in the article. My first contact with a thinner was the nurse feeding my IV with a thinner called Heparin. ... Augusta Free Press

New Drug may allow persons not to need blood monitoring for warfarin  -  ‎Dec 15, 2009‎
The rat poison, warfarin (coumadin), is used in low doses to protect persons from geting blood clots in the leg and lung and to stop ... St. Louis Post-Dispatch (blog)

Blood Thinner Combos Risky for Heart Attack Patients  -  ‎Dec 11, 2009‎
Doctors often prescribe combinations of drugs -- including aspirin, clopidogrel (Plavix) and vitamin K antagonists like warfarin (Coumadin) -- after a ... U.S. News & World Report

Post-MI Bleeding Risk Highest with Clopidogrel, Warfarin, Triple Therapy  -  ‎Dec 12, 2009‎
They calculated antithrombotic drug use based on prescriptions for aspirin, clopidogrel, and vitamin K antagonists (typically warfarin) from the time of ... TCTMD

Better blood thinner gains momentum  -  ‎Dec 28, 2009‎
Q. I have to take warfarin, a blood thinner. Recently on CNN, a doctor was talking about a new drug that not only is safer but does not require the regular ... Belleville News Democrat

New keyhole heart surgery could reduce risk of strokes  -  ‎Dec 11, 2009‎
It could eliminate the need for patients at high risk of stroke to take blood-thinning medication such as warfarin. Prapa Kanagarathnam, consultant ... Times Online

Introducing The Real World Diet from Dr. Gourmet  -  ‎Jan 5, 2010‎
It includes hundreds of recipes for low sodium diets, lactose intolerance and for patients who use warfarin (Coumadin®), as well as those with ... PR.com (press release)

Hospital 'crippled my son'  -  ‎Dec 16, 2009‎
Before her pregnancy, Ms Pinyawas had undergone deep vein thrombosis (DVT) treatment and was prescribed the drug warfarin by Mission Hospital. ... Bangkok Post

Warning on use of multiple antithrombotic therapies  -  ‎Dec 14, 2009‎
Warfarin treatment raised the risk of bleeding by 20% compared to aspirin, although this was not a statistically significant increase. ... Pulse

Engineer saves own life by making surgical heart-repair kit... and now others ...  -  ‎Jan 4, 2010‎
...given the likelihood that I would be having a composite aortic root graft and the Warfarin anti-coagulation therapy that goes with it. ... Daily Mail

'Heart implant allowed me to enjoy life once more'  -  ‎Dec 11, 2009‎
I was sent for tests, but after the results the registrar said maybe you need to be thinking about warfarin.� Mrs Gaster did not like the idea of taking the ... Times Online

Top 10 Heart Studies of 2009 Hold Promise of New Drugs Lifestyle interventions ...  -  ‎Jan 4, 2010‎
Two studies also compared the blood-thinning drugs dabigatran and warfarin to see which was better for stroke prevention, and looked at ticagrelor versus ... ModernMedicine

Different antithrombotic combinations up risks for bleeding and recurrent MI  -  ‎Dec 10, 2009‎
..."Warfarin, for example, is prescribed for patients with different conditions, and these patients can also get an MI, and that's where the problem is," lead ... TheHeart.Org

Kim Gronholz Tells Her Blood Clot Story  -  ‎Dec 12, 2009‎
I was on IV heparin for 3 days before being sent home on low weight molecular heparin injections and Warfarin. The result of the genetic test showed that I ... National Alliance for Thrombosis and Thrombophilia (press release)

Creampuffs, my …  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Wolf to Obama: 'Please stop these releases'  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Sanofi-Aventis Stops Development of Two Medicines  -  ‎Dec 21, 2009‎
A study in August found that Pradaxa prevented more strokes and damaging clots than warfarin, a generic blood thinner, without increasing the risk of major ... Bloomberg

#24 UAB coming to town  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Lilly, Kowa in promotion deal for new statin drug  -  ‎Dec 23, 2009‎
...suggesting it could reduce the negative effects of interactions of some drugs that are metabolized in the same way, such as the blood thinner warfarin, ... Reuters

McDonnell: Va. 'eager to get started' on offshore drilling  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

INSIDERMEDICINE VIDEO: Health Canada Issues Warning Over Acai Berry Products ...  -  ‎Dec 10, 2009‎
Currently, most patients with blood clots are treated with the anticoagulant Warfarin--a medication that thins the blood but also puts the patient at risk ... Insidermedicine

New Thrombosis Treatments on the Anvil  -  ‎Dec 13, 2009‎
Many of these patients currently take anticoagulant drugs such as Warfarin, which lower the risk of heart attacks or strokes by reducing the blood's ability ... MedIndia

Brown leads Flames to Marriott Cavalier Classic title game with 18-point effort  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Daniella Gonzalez celebrates Christmas after a stroke  -  ‎Dec 24, 2009‎
Daniella, from Bath, who is now on warfarin to thin her blood, said her recovery had been slow, but that she marked each Christmas as a milestone. ... BBC News

Time Your Attack: Oracle's Lost Revolution  -  ‎Dec 21, 2009‎
...an outbreak of internal hemorrhaging in cattle but eventually leading to the discovery of warfarin, an anticoagulant that has saved countless lives. ... Wired News

Live Blog | #24 UAB at UVa.  -  ‎Dec 30, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Warfarin alternative trialled  -  ‎Dec 10, 2009‎
The newspaper says that the anti-clotting drug dabigatran is as safe and effective at treating deep vein thrombosis as the traditional drug warfarin. ... Inverurie Today

Boot-camp route can bust more than a gut  -  ‎Dec 31, 2009‎
...with the result that I wound up in a plastercast, injecting one anti-coagulant, heparin, into my stomach and guzzling another, warfarin (rat poison), ... Sydney Morning Herald

Top Ten Geriatric Medicine Breakthroughs of the Decade  -  ‎Dec 31, 2009‎
Dabigatran: This drug which works as well as warfarin for older persons who need their blood thining, does not require regular blood sampling to maintain ... St. Louis Post-Dispatch (blog)

St. Mary Medical Center earns state and national recognition  -  ‎Dec 29, 2009‎
...(PSHP) for its new pharmacy protocol that governs the prescribing of Coumadin® (warfarin sodium) for patients recovering from joint replacement surgery. ... Bucks Local News

The Junior Opry is back  -  ‎Dec 29, 2009‎
You and your ilk can keep you damn hands off of my sons'... lenny harrison: i just wanted to say that i have been on warfarin for about 8 years, ... Augusta Free Press

Edzell woman's blood test debacle slammed  -  ‎Dec 30, 2009‎
...and requires a daily dose of the anti-coagulant drug, warfarin to remove the clot. in correct and so as not to create further health problems, ... Brechin Advertiser

Recommendations for Prescribing NSAIDs in the Primary Care Setting  -  ‎Dec 28, 2009‎
These patients should have appropriate INR monitoring, dosage adjustments of warfarin, and GI prophylaxis (level of evidence, C, based on a systematic ... Medscape

The Genome Generation  -  ‎Dec 15, 2009‎
...blood thinning (warfarin), the heart condition called long QT syndrome (beta blockers) and cancer (imatinib, irinotecan, 5-fluorouracil, mercaptopurine, ... Newsweek

Older age predicts early mortality after upper GI bleeding  -  14 Nov 2009
Low-dose aspirin was defined as 75 mg/day, and the antithrombotic drugs included clopidogrel, Dipyridamole, and warfarin. Use of NSAIDs had no significant ... Philippine Star

Victim of a vicious beating? No.. he's just been shaved in hospital  -  14 Nov 2009
..."She also said I must realise that he was on Warfarin and it had thinned his blood." He added: "I want an official inquiry into his care. ... Mirror.co.uk

Is warfarin causing new health problems?  -  ‎Nov 6, 2009‎
I was put on Coumadin, but take generic warfarin. Since the regimen began, I have itched all over, especially in body crevices. I have a number of lesions, ... GoErie.com

New hope on finding better blood thinners  -  ‎Oct 26, 2009‎
PHILADELPHIA Warfarin, one of the most inconvenient, dangerous and disliked drugs in the world, has remained vitally important for more than 50 years. ... Baltimore Sun

Science and Technology Generic drugs promote patients' compliance  -  ‎Nov 11, 2009‎
As such, they need to take a drug called warfarin for months, years or even for life, Kuizon said. Commonly called “blood thinners,� warfarin belongs to a ... Philippine Star

What Health Professionals Can Do On World Stroke Day  -  ‎Nov 13, 2009‎
A focus of the therapeutic program is the use of warfarin therapy in reducing the risk of thromboembolic stroke in patients with atrial fibrillation, ... Ethio Planet News

Fever may not be a necessary diagnostic criterion for Kawasaki disease  -  ‎Nov 12, 2009‎
Warfarin was discontinued nine months after the initial presentation, and the patient continues to grow and develop 2.5 years later. ... Pediatric SuperSite

Data from 1.23 million patients confirms warfarin increases mortality in ...  -  ‎Oct 20, 2009‎
Chicago, IL - Surgeons' suspicion that warfarin (Coumadin, Bristol-Myers Squibb) significantly increases the mortality risk of traumatic injuries in both ... TheHeart.Org

Study explores warfarin's potential impact on elderly trauma patients  -  ‎Oct 29, 2009‎
10/30/2009 - Researchers with Vanderbilt University Medical Center and the University of Texas Health Sciences Center have found that warfarin, ... Vanderbilt University News

Warfarin given at therapeutic INR during pulmonary vein isolation yielded no ...  -  ‎Nov 2, 2009‎
The continuous administration of warfarin at a therapeutic international normalized ratio without heparin or enoxaparin during pulmonary vein isolation with ... Cardiology Today

New Report Discusses the Emergent Field of Molecular Diagnostics  -  ‎Nov 12, 2009‎
...“Warfarin sensitivity (CYP2C9, VKOR1) NA Tests in UK: Assessment of the Molecular Diagnostic Market�, which is available at bit.ly/2HBx9w, reports that this ... PRLog.Org (press release)

HEALTH CHECK: Over-medicated America  -  ‎Nov 10, 2009‎
An example Dr. May has seen in the emergency room more than once is when a patient combines a blood thinner- Warfarin - that they use for a heart problem, ... NBC Augusta

Warfarin drug dispension rules tightened following Tooting woman's death  -  ‎Nov 2, 2009‎
The court heard Mrs Wildish was on a course of Warfarin for deep vein thrombosis, and was also suffering heart failure and respiratory problems. ... This is Local London

Liver Cell 'Library' Could Make Drug Testing Safer  -  ‎Oct 28, 2009‎
The classic example of this is the response to warfarin, an anti-clotting drug. "Different people have to be prescribed different levels of warfarin, ... DOTmed.com (press release)

HealthWatch: In the thick of it  -  ‎Oct 20, 2009‎
The medication in question is warfarin, sold as Coumadin, and while closely related to what kills rodents by internal bleeding, it is also what thins the ... The Gazette (Montreal)

The Best Medications For Your Genes  -  ‎Oct 27, 2009‎
There are other examples of drugs that are affected by your genes, such as Warfarin (Coumadin). Until recently, about the only way that a doctor could ... Forbes

A spontaneous suprachoroidal haemorrhage: a case report  -  ‎Nov 6, 2009‎
Introduction:We present a case of spontaneous suprachoroidal haemorrhage in a patient taking Warfarin. This is only the second case reported of a patient ... 7thSpace Interactive (press release)

A 37-Year-Old Man Trying to Choose a High-Quality Hospital  -  ‎Nov 3, 2009‎
Mr A's hematologist interpreted these results as suggestive of the presence of lupus anticoagulant and suggested anticoagulation with warfarin and, later, ... Journal of American Medical Association (subscription)

Pensioner 'sneezed himself to death', inquest hears  -  ‎Oct 24, 2009‎
Mr Oram, had a heart condition, suffered from diabetes and was taking the drug Warfarin which thins the blood. Care home owner Michael Burnham said: "On ... Telegraph.co.uk

Cousins - Warfarin prescriptions  -  ‎Oct 20, 2009‎
Jim Cousins: To ask the Secretary of State for Health how many people received warfarin prescribed by a GP in each primary care trust area in each of the ... DeHavilland (press release) (subscription)

ARYx Therapeutics Reports Third Quarter 2009 Results  -  ‎Nov 13, 2009‎
...the Phase 2/3 clinical trial comparing our oral anticoagulant therapy, tecarfarin, against warfarin in a blinded head to head study. ... PharmaLive.com (press release)

Sir Christopher Evans in the clear as SFO gives up fraud inquiry  -  ‎Nov 12, 2009‎
...were accused by the SFO of conspiracy to defraud in relation to fixing the prices of several drugs, including warfarin and penicillin. ... Independent

The Best Medications For Your Genes  -  ‎Oct 28, 2009‎
While many of these are cancer drugs looking at specific metatabolic or receptor issues, our old friend warfarin (a "blood thinner" with a narrow ... Slashdot

Battle With Heart Disease Moves to the Doctor's Office  -  ‎Nov 9, 2009‎
...a heartbeat irregularity, the registry would pick up data on whether doctors prescribed the blood thinner warfarin to reduce stroke risk. ... Wall Street Journal

Drug safety and your DNA  -  ‎Oct 30, 2009‎
Another drug not only widely prescribed, but for which genetic testing may help, is warfarin (Coumadin®); some people's genes might be linked to a ... Common Ground.ca

ASTRO: Blood Thinners May Lower PSA Failure Risk  -  ‎Nov 10, 2009‎
They determined that 243 patients (37%) were taking warfarin, clopidogrel, or aspirin (alone or in combination) at initial visit or during follow-up. ... MedPage Today

What is Hematuria - Blood in the Urine?  -  ‎Oct 20, 2009‎
For example, a person who takes warfarin often needs frequent prothrombin time, or PT, blood tests. Any new or worsening symptoms should be reported to the ... 24 Medica

On the Pulse - 6th November 2009  -  ‎Nov 6, 2009‎
A 68-year-old man who had hypertension, diabetes, and atrial fibrillation, and was being treated with warfarin, was discovered snoring and unarousable at ... OnMedica

What's going to be hot at AHA 2009?  -  ‎Nov 11, 2009‎
...the 18 000-patient study addressing safety and efficacy of dabigatran compared with warfarin stratified by international normalized ratio [INR] control. ... TheHeart.Org

Why Would a Young Adult Get an Ulcer?  -  ‎Nov 8, 2009‎
Patients who are H. pylori positive are also at high risk, as are those who take Nsaids while also taking blood thinners (such as warfarin or antiplatelet ... New York Times

Dr. John Burnett Found Mambo Snake Venom Treats Heart Failure  -  ‎Oct 20, 2009‎
Aspirin stems from willow tree bark, blood thinner Warfarin comes from sweet clovers, Captopril used for blood pressure comes from venom of a viper and now ... Vitals Spotlight

Man died after sneeze, inquest told  -  ‎Oct 23, 2009‎
Mr Oram had a heart condition and suffered from diabetes and was taking Warfarin, a drug which thins the blood, explained Mr Parsons. ... South Devon Herald Express

The Deadly Mamba as a Lifesaver  -  ‎Oct 19, 2009‎
...the blood pressure drug captopril from the venom of a pit viper; warfarin, the widely used blood thinner, was derived from moldy sweet clover. ... Wall Street Journal

The greatest gift... Singer gives her boyfriend one of her kidneys  -  ‎Nov 7, 2009‎
Paul was given injections of Warfarin to thin his blood. Doctors also took a series of blood tests. It was then they discovered that he suffered from IgA ... Daily Mail

REG-Biocompatibles Intl.: Statement re Positive Data in Combination Therapy Trial  -  ‎Nov 3, 2009‎
Infrequent bleeding events or elevations in INR have been reported in some patients taking warfarin concomitantly. Patients on such therapy should be ... Reuters

Soup for souls, ginseng for colds  -  ‎Nov 10, 2009‎
And for most people, it seems ginseng is safe, though it should be avoided by individuals taking anti-coagulents (like Warfarin), pregnant or breastfeeding ... National Post

Beyond the Abstract - Fibrin clot inhibitor medication and efficacy of ...  -  ‎Oct 29, 2009‎
Our results suggest an adverse impact of warfarin on tumor recurrence and progression rates following BCG therapy, and a protective association with aspirin ... UroToday

A 55-Year-Old Woman With Osteopenia  -  ‎Nov 10, 2009‎
As a result, Ms Q discontinued hormone therapy, was prescribed dose-adjusted warfarin, and began physical therapy; her next neurological examination result ... Journal of American Medical Association (subscription)

As genetic testing races ahead, doctors are left behind  -  ‎Oct 24, 2009‎
The blood thinner warfarin, for instance, can cause blood clots or serious bleeds in some patients with an identified genetic variance, and physicians are ... Los Angeles Times

Specialist clinics reduce waiting lists  -  ‎Nov 9, 2009‎
Other initiatives which have led to efficiencies include the reconfiguration of the hospital's warfarin service, along with the introduction of a new GP ... Irish Times

Man killed by a sneeze  -  ‎Oct 25, 2009‎
The drug Warfarin which Mr. Oram was taking because of his diabetes can thin the blood which could have made Mr. Oram more susceptible to sustaining ... Merchant News

Wilf Lunn: What's that nice smell!  -  ‎Oct 24, 2009‎
A synthetic version of coumarin is the drug Warfarin. Warfarin was developed to kill rats in flour mills. Now it's used by heart patients. ... Huddersfield Examiner

Exposure to several common infections over time linked to stroke risk  -  ‎Nov 10, 2009‎
Blood thinner ups stroke risk in some kidney disease patients on dialysis Washington, Aug 28 (ANI): The blood thinner warfarin should be prescribed with ... India Business Blog (blog)

Google's Guinea Pigs  -  ‎Nov 11, 2009‎
My profile also says my SNPs should make me sensitive to the anti-clotting drug warfarin. What it can't tell me is how my doctor is supposed to use this ... Mother Jones

Prostate Cancer Recurrence Detected Early in Nanosphere Test  -  ‎Oct 19, 2009‎
...for gene disorders linked to blood clots and to detect a possible side effect from the blood thinner warfarin, according to Nanosphere's Web site. ... Bloomberg

HEALTH: How to prevent swimmer's ear  -  ‎Nov 9, 2009‎
...ventricular dilatation with dysfunction or stenotic mitral valve will be given an anticoagulant (warfarin) unless they have a high risk of bleeding. ... New Straits Times

Chemical cleanup too late to save fish  -  ‎Nov 12, 2009‎
...no pesticides were involved in the portion of the building that was burning, but Peirce later told him it contained warfarin, a mouse and rat poison. ... Hamilton Spectator

Prestatyn star's wife struck down with African virus  -  ‎Nov 11, 2009‎
She was put on the blood-thinning drug Warfarin and sent home on October 26 when she seemed to be recovering and Glan Clwyd needed the bed for an emergency. ... Denbighshire Visitor

Gilead Sciences Announces Plans for Phase IV Clinical Trial Evaluating First ...  -  ‎Nov 2, 2009‎
No clinically relevant interactions of Letairis with warfarin, sildenafil, tadalafil, omeprazole (CYP2C19 inhibitor), ketoconazole (strong CYP3A-inhibitor), ... WELT ONLINE

Supplemental Fiber Can Help With Chronic Constipation  -  ‎Nov 5, 2009‎
Fiber supplements can decrease the absorption of certain medications, such as aspirin, warfarin and carbamazepine. Fiber supplements can also reduce blood ... KFSM

The Nation; Aspirin Found to Beat Warfarin for One Kind of Stroke; …  -  Mar 31, 2005
Physicians said the findings should have no effect on other uses for warfarin. It is more effective at treating strokes caused by atrial fibrillation, ... Pay-Per-View - Los Angeles Times - ProQuest Archiver

FDA OKs Genetic Test Linked to Warfarin  -  Sep 17, 2007
A genetic test that can reveal what patients are especially sensitive to the blood-thinner warfarin won federal approval Monday. ... FOXNews

Barr to pay 22.5 mln usd to settle Warfarin law suit with Novartis...  -  Jun 12, 2006
ZURICH (AFX) - Barr Pharmaceuticals Inc said it has agreed to settle litigation claims made by Novartis AG units Invamed Inc and Apothecon Inc related to ... Forbes

Tests predict sensitivity to bloodthinner warfarin  -  Mar 5, 2008
By Gene Emery. BOSTON (Reuters) - Researchers have identified a new way to predict who is likely to develop dangerous bleeding or other serious reactions ... Reuters

Blood-thinning drug warfarin may raise risk of death from brain …  -  Sep 29, 2008
People who regularly take the blood-thinning drug warfarin may be doing themselves more harm than good because it can increase the risk of death from a ... Telegraph.co.uk

Warfarin Trumps Aspirin in Preventing Stroke in Elderly  -  Aug 10, 2007
By Ed Edelson. FRIDAY, Aug. 10 (HealthDay News) -- The largest study ever of its kind finds the clot-preventing drug warfarin to be more effective than ... Washington Post

Brand Names/Synonyms:
Warfarin is also known by the following brand names and/or synonyms200 Coumarin; Arab Rat Death; Arab Rat Deth; Athrombin; Athrombin-K; Athrombine-K; Brumolin; Caswell No. 903; Co-Rax; Compound 42; Coumadin; Coumafen; Coumafene; Coumaphen; Coumaphene; Coumarins; Coumefene; D-Con; Dethmor; Dethnel; Dicusat E; Eastern States Duocide; Fasco Fascrat Powder; Frass-Ratron; HSDB 1786; Jantoven; Killgerm Sewarin P; Kumader; Kumadu; Kumatox; Kypfarin; Latka 42; Liqua-Tox; Maag Rattentod Cum; Mar-Frin; Marevan; Martin's Mar-Frin; Maveran; Mouse Pak; Panwarfin; Place-Pax; Prothromadin; RAX; Rat & Mice Bait; Rat &Amp; Mice Bait; Rat-Gard; Rat-Kill; Rat-Mix; Rat-Ola; Rat-Trol; Ratorex; Ratox; Ratoxin; Ratron; Ratron G; Ratten-Koederrohr; Rattenstreupulver Neu Schacht; Rattentraenke; Rattunal; Rcr Grey Squirrel Killer Concentrate; Rcra Waste Number P001; Ro-Deth; Rodafarin; Rodafarin C; Rodex; Rodex Blox; Rosex; Rough & Ready Mouse Mix; Rough &Amp; Ready Mouse Mix; Sakarat; Sewarin; Sofarin; Solfarin; Sorexa Plus; Temus W; Tintorane; Tox-Hid; Twin Light Rat Away; Vampirinip Ii; Vampirinip Iii; W.A.R.F. 42; Waran; Warf 42; Warf Cmpd. 42; Warf Compound 42; Warfarat; Warfarin; Warfarin Plus; Warfarin Q; Warfarin Sodium; Warfarine; Warficide; Warfilone; Zoocoumarin

Drug Category:
Warfarin is categorized under the following by the FDA: Rodenticides; Anticoagulants; Coumarin and Indandione Derivatives; ATC:B01AA03

Dosage Forms:
POWDER FOR SOLUTION; TABLET

Absorption:
Not Available

Interactions:
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Chemical IUPAC Name:
2-hydroxy-3-(3-oxo-1-phenyl-butyl)-chromen-4-one





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