CUPRIMINE vs OMEGA-3-ACID ETHYL ESTERS

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 5, 2026·How we rate

Possible drug interaction. CUPRIMINE and OMEGA-3-ACID ETHYL ESTERS are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	CUPRIMINE	OMEGA-3-ACID ETHYL ESTERS
Rating	74/100	New
Pharmacy pays	—	~$5.16 /30
Type	RX	RX
Active ingredient	PENICILLAMINE	OMEGA-3-ACID ETHYL ESTERS
Manufacturer	Valeant Pharm Intl	Puracap Pharm LLC
Dosage forms	Capsule	Capsule
Drug class	Antirheumatic Agent	Omega-3 Fatty Acid
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine omega-3-acid ethyl esters

Rating

74/100

New

Pharmacy pays

—

~$5.16 /30

Type

Active ingredient

PENICILLAMINE

OMEGA-3-ACID ETHYL ESTERS

Manufacturer

Valeant Pharm Intl

Puracap Pharm LLC

Dosage forms

Capsule

Drug class

Antirheumatic Agent

Omega-3 Fatty Acid

Boxed warning

None

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Omega-3-Acid Ethyl Esters?

Cuprimine contains Penicillamine, while Omega-3-Acid Ethyl Esters contains Omega-3-Acid Ethyl Esters — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.