Compare Lovenox vs. Arixtra

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

Lovenox
(Enoxaparin)

Arixtra
(Fondaparinux)

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.Coming soon.
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Reviews & ratings
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Have you used Lovenox (Enoxaparin)?
Worth itNot sureNot worth it

Not enough reviews for this drug. Help someone out, leave a review!

Have you used Arixtra (Fondaparinux)?
Worth itNot sureNot worth it
Side effects
LovenoxArixtra
  • Injection site hematoma 7%
  • Excessive bleeding 7%
  • Major hemorrhage 4%
  • Nausea 1%
  • Confusion 1%
  • Fever 2%
More Lovenox side effects »

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

FDA side effect reports for Arixtra »
How it works
LovenoxArixtra
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.Coming soon.
Type of medication
LovenoxArixtra
Prescription only
Available as
LovenoxArixtra
  • Injection
  • Injection
Used for
LovenoxArixtra
  • Deep Venous Thrombosis
Risk factors for serious side effects
LovenoxArixtra
  • 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
  • Older age
  • Stopping Lovenox (Enoxaparin) early
  • Heparin-induced thrombocytopenia
Detailed Lovenox (Enoxaparin) risks & warnings »
Coming soon.
Pregnancy

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

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

Food
LovenoxArixtra
  • Available in generic so it can be cheaper than other "blood thinners".
No food related info.
Upsides and benefits
LovenoxArixtra
  • 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.
Coming soon
Downsides and risks
LovenoxArixtra
  • 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.
Coming soon
Tips from our pharmacists for people taking the medication
LovenoxArixtra
  • 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.
Coming soon
Learn more
More about LovenoxSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lovenox (Enoxaparin)?
Worth itNot sureNot worth it
More about ArixtraSide effectsFDA package insert
Have you used Arixtra (Fondaparinux)?
Worth itNot sureNot worth it