Compare Pradaxa vs. Lovenox

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



Prevents blood clots. Pradaxa (Dabigatran) is a good medication for preventing blood clots. It doesn't require regular blood tests or changing doses often. It can be expensive and there's no way to reverse the medication's effects.Prevents blood clots. Lovenox (Enoxaparin) is a good anticoagulant that reduces the risk of death or bleeding, and blood clots are less likely to happen. However, it is only available as an injection which isn't great if you're afraid of needles.
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Coupons for Pradaxa
Best available price for 60 (60 capsules of 150mg) dose packs of pradaxa
Coupons for Lovenox
Best available price for 12 (40mg/0.4ml) syringes of lovenox
Reviews & ratings
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Have you used Pradaxa (dabigatran)?
Worth itNot sureNot worth it
Reviews for Lovenox
-13% worse vs. Pradaxa
+4% better vs. Pradaxa
+16% better vs. Pradaxa
Have you used Lovenox (enoxaparin)?
Worth itNot sureNot worth it
Side effects
  • Gi side effect 35%
  • Any side effect 21%
  • Any bleed 20%
  • Indigestion 8%
  • Major gastrointestinal bleed 6%
  • Gi bleed 3%
  • Major bleed 3%
  • Gastritis-like symptoms 3%
  • Gastrointestinal bleed 2%
  • Life-threatening bleed 2%
More Pradaxa side effects »
  • Injection site hematoma 7%
  • Excessive bleeding 7%
  • Major hemorrhage 4%
  • Nausea 1%
  • Confusion 1%
  • Fever 2%
More Lovenox side effects »
How it works
Pradaxa (Dabigatran) is an anticoagulant that stops the formation of blood clots.Lovenox (Enoxaparin) is an anticoagulant that prevents certain blood-clotting proteins from working. By stopping blood clots from forming, there's a lower chance of having a stroke or blood clots travel to your lungs.
Type of medication
Prescription onlyPrescription only
Available as
  • Pill
  • Injection
Used for
Risk factors for serious side effects
  • Stopping Pradaxa (Dabigatran) too soon
  • Spinal tap
  • Anesthesia along the spine (epidural anesthesia)
  • Taking NSAIDs, aspirin, or other blood-thinning medicines
  • Drug interactions
Detailed Pradaxa (dabigatran) risks & warnings »
  • Spinal puncture (spinal tap)
  • Getting anesthesia in the spine (epidural anesthesia)
  • Taking NSAIDs or other blood thinning medicines
  • History of bleeding problems
  • Severe high blood pressure
Detailed Lovenox (enoxaparin) risks & warnings »

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

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

No food related info.
  • Available in generic so it can be cheaper than other "blood thinners".
Upsides and benefits
  • Clinical studies have shown that the risk of stroke and blood clots is lower than with warfarin, another popular "blood thinner" (anticoagulant).
  • Doesn't require regular blood tests or frequent dose changes.
  • In studies comparing Pradaxa (Dabigatran) to other "blood thinners", it worked just as well in preventing strokes and was better in lowering the risk of bleeding.
  • In a study that compared Lovenox (Enoxaparin) to other medications used to stop blood clots, there was a lower risk of clots coming back, with similar rates of major bleeding and mortality.
  • You don't need to go in for lab tests to check whether it's working, unlike other medications like warfarin that require regular blood draws.
  • Available in generic so it can be cheaper than other "blood thinners".
  • Good option if you're pregnant or have cancer.
Downsides and risks
  • Not available as generic.
  • There are no antidotes to stop bleeding caused by taking too much Pradaxa (Dabigatran).
  • Can't take during pregnancy.
  • It is only available as an injection, so it's not great if you're afraid of needles.
  • While surprise bleeding episodes can be treated while taking Lovenox (Enoxaparin), they won't completely work.
  • It doesn't work as well as other medications for "thinning the blood" if you are overweight, underweight, or if you have kidney disease.
Tips from our pharmacists for people taking the medication
  • Pradaxa (Dabigatran) is an anticoagulant, so it's important not to miss a dose. Don't stop taking this medication without talking to your doctor first.
  • When taking Pradaxa (Dabigatran), you can bleed more easily, so use a soft toothbrush and an electric razor to avoid cutting yourself.
  • Take this exactly as your doctor or pharmacist tells you to.
  • Take with a full glass of water. Swallow the capsule whole. Don't chew, break, or open the capsule.
  • Rotate the spot where you inject Lovenox (Enoxaparin) every day.
  • While on this, it can take longer to stop bleeding and you are more likely to bruise or bleed more easily.
  • Avoid taking certain anti-inflammatory drugs (like NSAIDs) because they can make you more likely to bleed.
  • Can cause swelling in your legs, diarrhea, and nausea.
Learn more
More about PradaxaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Pradaxa (dabigatran)?
Worth itNot sureNot worth it
More about LovenoxSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lovenox (enoxaparin)?
Worth itNot sureNot worth it