Compare Plavix vs. Heparin

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

Plavix (clopidogrel)

Prescription only

Heparin

Prescription only
Prevents blood clots.

Plavix (clopidogrel) is a cheap, generically available blood thinner that protects you from clots after you've had a heart attack or surgery.

5.0/ 7 average rating with 343 reviewsforPlavix
Prevents blood clots.

Heparin is a good anticoagulant that prevents blood clots. However, you'll need to get frequent blood tests to make sure it's working well.

Upsides
  • Plavix (clopidogrel) can help lower your risk of getting a stroke or heart attack.
  • You only need to take it once a day.
  • A genetic test is available to determine whether Plavix (clopidogrel) will be an effective treatment option for you.
  • Safe to use in pregnancy and if you're breast feeding.
  • There are other medications that can help stop unexpected bleeding while taking Heparin.
  • Available as a generic medication.
  • Usually used in the hospital, but can be given at home too.
Downsides
  • Raises your risk of bleeding and bruising, which can be serious and life-threatening.
  • May not be safe to be taken with many other medicines or supplements.
  • If you've taken too much Plavix (clopidogrel) and you're bleeding, plasma transfusions are required to stop the bleeding.
  • You'll need to get labs/blood draws done on a regular basis to make sure the drug is working and to make sure you don't get unexpected side effects.
  • You can be at higher risk for bleeding or clotting while taking Heparin compared to other anticoagulants.
Used for
Dosage forms
  • Pill
  • Injection
Price
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$9.9
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Reviews
343 
59%
think this treatment is worth it
49%
think this treatment works well
16%
think this treatment is a hassle

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Side effects
The Plavix (clopidogrel) FDA package insert doesn’t have numbers about how common side effects are.
The Heparin FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Weakened ability to prevent blood clots

    Taking Prilosec or Nexium

    ...and 1 more risk factors

  • Life-threatening bleeding

    History of stomach bleeding

    ...and 2 more risk factors

See more detailed risks and warnings
  • Unusual bleeding

    History of bleeding problems

    ...and 2 more risk factors

  • Clotting problems

    Heparin-induced thrombocytopenia

See more detailed risks and warnings