Comparing Coumadin
Coumadinwarfarin |
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Coumadin is effective at "thinning the blood" (reducing the ability of the blood to clot); however, a number of factors affect blood levels of Coumadin including diet, ethnicity, other medications,... more |
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Prescription only |
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Ratings & ReviewsRecent helpful reviews |
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7.5
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Drug Class |
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Side Effects |
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See the full Coumadin side effects document. |
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Pricing and Coupons* Prices are without insurance |
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Generic Availability |
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Dosage Form(s) Available |
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Brand Names |
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| Other warfarin brands include: Jantoven | ||||||||
Half LifeThe half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. |
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72 hours |
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CSA Schedule**View glossary of terms. |
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category |
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Category D
Positive evidence of risk
For Women With Mechanical Heart Valves
Category X
Not for use in pregnancy
For Other Pregnant Populations See the full Pregnancy Warnings document. |
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FDA Alerts |
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Drug Interactions |
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A total of 889 drugs are known to interact with Coumadin:
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Alcohol/Food/Lifestyle Interactions |
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Disease Interactions |
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First Approval Date |
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June 08, 1954 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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Related Treatment Guide |
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
For Deep Vein Thrombosis, First Event I am male, 62 year old. Got a blood clot the entire length of my saphenous vein. I was put on generic warfarin first at 2.5mg/day. I got sweaty, headachy, and felt depressed. This went on for two weeks until I read reviews about Coumadin on this site. Switched to Coumadin. INR stabilized, sweats went away, and headaches went away in about 10 days. I know that Coumadin and Warfarin are supposed to be chemically the same molecule. I propose that the objective differences between these two drugs most likely can be accounted for by considering that one may have more pure isomers than the other.