Comparing Heparin vs Warfarin
| Heparin | Warfarin |
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| Heparin | Warfarin |
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Prescription only
Heparin reduces the ability of the blood to clot and is used to treat or prevent blood clots. Heparin is given by injection and excessive bleeding is its main side effect. Laboratory monitoring... View more |
Prescription only
Warfarin tablets are effective at "thinning" the blood; however, several factors affect warfarin blood levels including diet (particularly the intake of vitamin K), ethnicity, other medications or... View more |
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Popular comparisons
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| More about Heparin | More about Warfarin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Heparin has an average rating of 1.0 out of 10 from a total of 2 ratings on Drugs.com. 0% of reviewers reported a positive effect, while 100% reported a negative effect. |
Warfarin has an average rating of 7.9 out of 10 from a total of 57 ratings on Drugs.com. 67% of reviewers reported a positive effect, while 11% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
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View all Heparin side effects |
View all Warfarin side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Heparin prices |
View all Warfarin prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Heparin Sodium | Coumadin, Jantoven | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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3 hours |
72 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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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| Drug Interactions | |||||||||||||||||
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A total of 230 drugs are known to interact with Heparin:
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A total of 665 drugs are known to interact with Warfarin:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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N/A |
June 08, 1954 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
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1 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.