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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Coupons for Lovenox
Best available price for 4 (40mg/0.4ml) syringes of enoxaparin
Coupons for Arixtra
Best available price for 10 (10 syringes of 7.5mg/0.6ml) cartons of fondaparinux
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.53Lovenox
Reviews for Lovenox (enoxaparin)
63%
of people (All ages) say Lovenox (enoxaparin) is worth it
63%
say it works well
16%
say it's a big hassle
Have you used Lovenox (enoxaparin)?
Worth itNot sureNot worth it
Reviews for Arixtra (fondaparinux)
Not enough review data. Review it!
-63% worse vs. Lovenox (enoxaparin)
Not enough review data. Review it!
-63% worse vs. Lovenox (enoxaparin)
Not enough review data. Review it!
+16% better vs. Lovenox (enoxaparin)
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
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