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Omega-3-acid ethyl esters

Lovaza · EPA/DHA ethyl ester combination

A prescription EPA/DHA product for adult severe hypertriglyceridemia. Its outcome evidence and composition differ from purified EPA and OTC fish-oil supplements.

Therapeutic class
Prescription omega-3 lipid-regulating agent
Selected brand
Lovaza · EPA / DHA ethyl esters
Reference focus
Current U.S. Waylis 1 g capsules; adult severe TG indication
Essential safety

Triglyceride reduction does not prove pancreatitis or cardiovascular prevention.

Lovaza may increase LDL-C and may be associated with recurrent AF / flutter. Monitor lipids, hepatic enzymes where indicated and bleeding risk with anticoagulants / antiplatelets. Swallow capsules intact.

Warnings and precautions
01

Indications

The selected indication is adult severe hypertriglyceridemia.

Labeled indication

Lovaza is an adjunct to diet for adults with triglycerides≥500 mg / dL. Confirm persistent elevation and address diet, exercise, weight and secondary causes such as diabetes, hypothyroidism or TG-raising medicines. Medication changes belong to the prescribing team.

Limitations and scope

Effect on pancreatitis risk and cardiovascular mortality / morbidity has not been determined. It is not AF / flutter treatment. This profile reviews prescription combined EPA / DHA ethyl esters; purified icosapent ethyl, omega-3 free-acid products and OTC supplements differ and are not interchangeable outcome evidence or dose instructions.

02

Dosage and administration

The selected adult dose is 4 g / day.

Adult dosing

RegimenSelected label instructions
Daily total4 g / day:four 1 g capsules once daily OR two 1 g capsules twice daily
AdministrationSwallow whole; do not break open, crush, dissolve or chew
Diet / foodContinue appropriate lipid-lowering diet; clinical studies administered with meals

Missed dose and populations

Take a missed dose when remembered; if a whole day is missed, do not double the next dose. No pediatric regimen is established. Renal / hepatic PK studies and numeric dose-adjustment tables are absent; hepatic impairment requires enzyme monitoring rather than an invented reduced dose.

03

Safety

LDL elevation, allergy and AF recurrence require review.

Warnings and precautions

Monitor LDL-C and TG periodically; LDL may rise. With hepatic impairment monitor ALT / AST periodically. Fish / shellfish-allergic patients need caution: increased allergy risk is unknown, not proven absent. A trial in paroxysmal / persistent AF showed possible increased symptomatic recurrence, especially in the first 2–3 months; clinical significance is uncertain and the trial’s initial 8 g dose is not the labeled TG regimen. Review bleeding risk with coagulation-affecting drugs.

Contraindications

Known hypersensitivity, including anaphylaxis, to Lovaza or any component. Fish / shellfish allergy is a labeled caution rather than an identically stated absolute contraindication for every patient.

Boxed warning status

The selected current label has no boxed warning. Lipid, allergy, AF / flutter and bleeding precautions still apply.

Adverse reactions

Common trial reports include belching, dyspepsia and altered taste; other reports include constipation, vomiting, rash / itching and enzyme elevations. Postmarketing anaphylaxis, urticaria and hemorrhagic diathesis are reported with uncertain frequency / causality. No comparison with another omega-3 product’s trial rates is asserted.

04

Drug interactions

Anticoagulant / antiplatelet co-use warrants monitoring.

Coagulation medicines

Omega-3 acids may prolong bleeding time. Selected trials did not show clinically significant bleeding from this observation, but concomitant anticoagulant effects were not thoroughly examined. Monitor periodically with warfarin / other anticoagulants or antiplatelets, considering clinical bleeding and the other medicine’s monitoring requirements; no fixed INR target or dose change is supplied.

Statins and other products

Short selected statin PK studies did not meaningfully change simvastatin / atorvastatin / rosuvastatin exposure; these findings do not establish universal combination safety, lipid-outcome benefit or permission for the high statin doses used in those studies. Review duplicate prescription / OTC omega-3 and all TG-raising medicines rather than add unverified grams.

05

Use in specific populations

Human pregnancy / infant evidence is limited.

Pregnancy and lactation

Human pregnancy reports are insufficient to establish drug-associated developmental risk; animal findings do not prove zero risk. EPA / DHA occur in human milk and supplementation can raise milk levels, but prescription ethyl ester effects on the breastfed infant / milk production are unknown. Assess maternal need, breastfeeding benefits and potential infant risk.

Children and older adults

Pediatric safety / effectiveness and PK are unestablished; no child dose is provided. Older trial subjects were limited; observed findings did not appear different by the label’s age comparison, but this is not assurance for every older patient.

Renal and hepatic impairment

Lovaza has not been studied in renal or hepatic impairment for PK. Follow ALT / AST with hepatic impairment and individual lipid / bleeding response. No verified CrCl / Child-Pugh / dialysis dose table is available; no empirical dose rule is invented.

06

Clinical pharmacology

Mechanisms of TG lowering are proposed rather than fully established.

Mechanism

The mechanism is incompletely understood. Proposed effects include reduced hepatic TG synthesis / lipogenesis and increased fatty-acid oxidation or lipoprotein-lipase activity. These mechanisms do not establish pancreatitis / CV outcome benefit.

Disposition

EPA / DHA are absorbed as oral ethyl esters and incorporated into serum phospholipids. Selected labeling describes PK uptake differences with uncertain clinical significance; it supplies no universal terminal half-life or organ-impairment exposure table. Do not extrapolate purifiedEPA, diet or supplement kinetics.

07

Monitoring and counseling

Reassess both TG and LDL response.

Monitoring

Before treatment confirm lipid abnormality, diet / secondary causes, prior AF / flutter, fish / shellfish sensitivity and medicines. Follow TG / LDL periodically, ALT / AST in hepatic impairment and bleeding with anticoagulant / antiplatelet co-use. Assess palpitations / AF recurrence, particularly early. The label supplies no universal lab interval or outcome target.

Counseling

Continue diet / lifestyle plan, take prescribed 4 g / day regimen and swallow intact. Do not substitute OTC fish oil or purifiedEPA based on capsule count. Report allergy, unusual bleeding or palpitations promptly. Do not double after a missed day and discuss pregnancy / nursing with the clinician.

Overdose or uncertain product

Seek medical / Poison Control advice for excessive dosing, child exposure or concerning symptoms. The selected full label provides no specific overdose treatment / antidote regimen; do not invent a toxic threshold, dialysis benefit or home reversal. Verify exact product / strength before resuming.

08

Product identification

A 1 g capsule is a specific EPA / DHA ethyl ester formulation.

Representative product

Product
Waylis Lovaza 1 g capsule
Route
Oral prescription soft-gel capsule
Appearance
Transparent soft gelatin; light-yellow oil; LOVAZA
Example package
Bottle 120 · NDC 80725-420-12

Dosage forms and strengths

Each 1 g capsule contains at least 900 mg omega-3 ethyl esters, predominantly approximately 465 mg EPA ethyl ester and 375 mg DHA ethyl ester. Excipients include alpha-tocopherol in soybean-oil carrier and capsule gelatin / glycerol / water; check actual allergy ingredients. No OTC concentration or purifiedEPA equivalence is asserted.

Storage and handling

Store at 25°C, excursions 15–30°C; do not freeze. Keep out of children’s reach and follow actual dispensing expiry. Swallow intact; no verified opened-capsule, crushing, enteral-tube or compounded stability instruction is supplied.

09

References

Original sources for the clinical and product information.

  1. DailyMed / Waylis TherapeuticsLOVAZA · Current full prescribing information

    Current SPL version 3, effective 2026-03-09. March2026 SPL; actual currentNDC reviewed. No purifiedEPA or OTC supplement extrapolation.

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