Compare Coumadin vs. Effient

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Prevents blood clots.

Coumadin (warfarin) is a cheap and effective medicine that prevents new blood clots. It requires regular blood tests and you'll need to eat, exercise, and take your medicines consistently.

3.8/ 5 average rating with 513 reviewsforCoumadin
No information currently available
Upsides
  • Coumadin (warfarin) is available as a generic, so it should be less expensive than the brand version.
  • In case you start bleeding too much while using Coumadin (warfarin), your doctor can give you another drug that reverses Coumadin (warfarin)'s effects.
  • Coumadin (warfarin) comes in numerous strengths.
  • Coumadin (warfarin) has been around for a long time and is one of the most commonly used 'blood thinner' medicines.
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Downsides
  • Raises your risk of bleeding and bruising.
  • Requires regular blood work, such as an INR, to make sure Coumadin (warfarin) is working correctly.
  • Your daily dose of Coumadin (warfarin) can change if you change your diet, exercise patterns, or use of alcohol.
  • A lot of other drugs and supplements interact with Coumadin (warfarin), so you'll need to check with your doctor or pharmacist before starting any new medicines.
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Used for
  • Heart attack or pre-heart attack - Percutaneous coronary intervention - Thrombosis; Prophylaxis
  • Heart attack or pre-heart attack - Thrombosis; Prophylaxis Decreased platelet aggregation
Dosage forms
  • Pill
  • Pill
Price
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Reviews
513 reviews so far
61%
saidit'sworth it
54%
saiditworked well
21%
saidit'sa big hassle

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Side effects
The Coumadin (warfarin) FDA package insert doesn’t have numbers about how common side effects are.
The Effient (Prasugrel) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Life threatening bleeding
    • Coumadin (warfarin) dose too high
    • Age greater than 65 year
    • History of stomach bleeding
    • High blood pressure
    • Kidney or liver problems
    • Drug interactions
    • Change in lifestyle or diet
    • Alcohol use
    • Certain genetic factors
  • Harm to fetus
    • Women of childbearing age
  • Drug and diet interactions
  • Potential surgery or amputation
See more detailed risks and warnings
No information currently available