Prescription onlyLower-cost generic availableClass: Cardiovascular



Prescription onlyLower-cost generic availableClass: Cardiovascular
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Prevents blood clots.

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Our bottom line

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.

Price and discounts
Best available price for 4 (40mg/0.4ml) syringes of enoxaparin


  • 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.
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  • 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.
How it works

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.

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Side effect rates for Lovenox (enoxaparin)

786 From clinical trials of Lovenox / Blood clot prevention (30 mg)
  • Fever
  • Major hemorrhage
  • Excessive bleeding
  • Nausea
  • Leg or ankle swelling
  • Low red blood cells
  • Swelling due to excess fluid

Risks and Warnings for Lovenox (enoxaparin)

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    • Higher risk if:
    • Spinal puncture (spinal tap)
    • Getting anesthesia in the spine (epidural anesthesia)
    • Taking NSAIDs or other blood thinning medicines

    You're more likely to have a blood clot in the spine if you're taking Lovenox (Enoxaparin) and are getting either a spinal tap or an epidural. Call your doctor immediately if you notice pain or a tingling or burning sensation, numbness, weakness, or inability to urinate.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Lovenox (enoxaparin)

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  • Wave hand over injection site to dry off alcohol to prevent after injection burning sensation. Injection in upper abdomen, thigh injection was very unpleasant.
  • Available in generic so it can be cheaper than other "blood thinners".