Compare Coumadin vs. Effient

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

Coumadin
(warfarin)

Effient
(prasugrel)

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.Coming soon.
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Prices and coupon for 30 (5mg) tablets of warfarin
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Prices and coupon for 30 (10mg) tablets of prasugrel
Reviews & ratings
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Filter group. All currently selected
5.15Coumadin
Reviews for Coumadin (warfarin)
61%
of people (All ages) say Coumadin (warfarin) is worth it
54%
say it works well
21%
say it's a big hassle
513 reviews
Have you used Coumadin (warfarin)?
Worth itNot sureNot worth it

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Have you used Effient (prasugrel)?
Worth itNot sureNot worth it
Side effects
CoumadinEffient

The Coumadin FDA package insert doesn’t have numbers about how common side effects are.

More about Coumadin side effects »

We haven’t found good data for Effient side effects.

FDA side effect reports for Effient »
How it works
CoumadinEffient
Coumadin (warfarin) prevents blood clots from forming. It doesn't break up clots that already exist. It can only stop new ones from forming or old ones from getting bigger.Coming soon.
Type of medication
CoumadinEffient
Prescription only
Available as
CoumadinEffient
  • Pill
  • Pill
Used for
CoumadinEffient
  • Heart Attack Or Pre Heart Attack Percutaneous Coronary Intervention Thrombosis Prophylaxis
Risk factors for serious side effects
CoumadinEffient
  • 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
  • Women of childbearing age
      Detailed Coumadin (warfarin) risks & warnings »
      Coming soon.
      Pregnancy

      Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      Interactions
      CoumadinEffient
      • 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.
      • Coumadin (warfarin) interacts with many drugs and supplements. This can increase your risk of bleeding or of developing a new blood clot. If you start a new medication or change your diet, let your doctor know so they can change your dose if necessary.
      No interactions related info.
      Upsides and benefits
      CoumadinEffient
      • 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.
      Coming soon
      Downsides and risks
      CoumadinEffient
      • 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.
      Coming soon
      Tips from our pharmacists for people taking the medication
      CoumadinEffient
      • Prevents clots from forming or getting bigger. It doesn't break up clots that already exist.
      • Take Coumadin (warfarin) exactly as your doctor tells you.
      • Once you're taking Coumadin (warfarin), it'll take longer for your body to heal if you get cut or bruised. Call your doctor if you notice any unusual bleeding or bruising.
      • Carry a list of your medications with you or wear a medical bracelet that says you're on Coumadin (warfarin) in case you have a medical emergency.
      • Your doctor will check your blood regularly for the first few months that you're taking Coumadin (warfarin).
      • To get the best results, don't fall behind on taking your other medicines and eat the same amount of vegetables each day.
      Coming soon
      Learn more
      More about CoumadinSide effectsReviews & ratingsAlternativesFDA package insert
      Have you used Coumadin (warfarin)?
      Worth itNot sureNot worth it
      More about EffientSide effectsFDA package insert
      Have you used Effient (prasugrel)?
      Worth itNot sureNot worth it