Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Enoxaparin (Lovenox) and aspirin are both used to prevent blood clots, but they work in different ways and are used for different purposes. Enoxaparin is a prescription blood thinner given by injection and is used to treat and prevent blood clots in people undergoing surgery or those with certain heart conditions. It works by blocking proteins that help form clots. Aspirin, on the other hand, is an over-the-counter nonsteroidal anti-inflammatory drug (NSAID) taken orally, which can help lower the risk of heart attack and stroke when taken at low doses (81 mg). It also helps reduce pain, fever, and inflammation. Enoxaparin is the preferred choice for pregnant women, except those with prosthetic heart valves, whereas aspirin should be used cautiously during pregnancy as it can cause harm to unborn babies. Both medications can increase the risk of bleeding.
Enoxaparin (Lovenox)
Aspirin
Enoxaparin (Lovenox)
Aspirin
Summary of Lovenox vs. Aspirin
Summary for Anticoagulant
Prescription only
Enoxaparin (Lovenox) is a blood thinner that's used to treat and prevent blood clots and other clotting-related conditions. It's given as an injection under the skin in the stomach. The dosing for enoxaparin (Lovenox) depends mostly on your weight, but also on why you need the medication. Enoxaparin (Lovenox) is a preferred choice for pregnant women, but it might not be the best option if they have prosthetic (artificial) heart valves. Side effects aren't common, but can include bleeding or bruising at the injection site. Enoxaparin (Lovenox) is available as a brand and generic medication.
Summary for NSAID
Aspirin is an over-the-counter NSAID (nonsteroidal anti-inflammatory drug) that helps lessens inflammation. It's used to help lower fevers and relieve pain from minor injuries in people 12 years of age and older. A lower dose of aspirin is also commonly used for heart protection in certain adults who are at risk of having a heart attack or stroke. This medication most often comes as pills that are taken by mouth. Aspirin side effects include heartburn and stomach upset.