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Omega-3 acid ethyl esters

Brand names: Lovaza

Lovaza is a prescription fish oil that lowers very high triglycerides.

Brand namesLovaza
Type of medicineOmega-3 (prescription fish oil)
Prescription?Prescription
ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It contains both EPA and DHA and can raise LDL in some people. It isn't the same as fish oil supplements.

What it's used for

  • Very high triglycerides (500 mg/dL or more)

How to take it

  • Take capsules with meals, swallowed whole.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

  • Burping
  • Fishy taste
  • Upset stomach
Call your provider todayA fast or irregular heartbeat
Call your provider todayUnusual bleeding

Warnings

  • Tell your provider if you're allergic to fish or shellfish.

Other medicines, foods, and alcohol

  • Blood thinners may add to bleeding risk.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Talk with your provider.

Missed doses, overdose, and storage

If you miss a dose

Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

Sources

Last updated 2026-11-13.