CUPRIMINE vs PREVPAC (COPACKAGED)

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate

Possible drug interaction. CUPRIMINE and PREVPAC (COPACKAGED) 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	PREVPAC (COPACKAGED)
Rating	74/100	New
Pharmacy pays	—	$0.04 /mL
Type	RX	RX
Active ingredient	PENICILLAMINE	AMOXICILLIN AND CLARITHROMYCIN AND LANSOPRAZOLE
Manufacturer	Valeant Pharm Intl	Takeda Pharms USA
Dosage forms	Capsule	Capsule, Tablet, Oral pellets
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Half-life	—	about 3 to 4 hours at 250 mg, rising to 5 to 7 hours at 500 mg (dose-dependent)
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine prevpac (copackaged)

Rating

74/100

New

Pharmacy pays

—

$0.04 /mL

Type

Active ingredient

PENICILLAMINE

AMOXICILLIN AND CLARITHROMYCIN AND LANSOPRAZOLE

Manufacturer

Valeant Pharm Intl

Takeda Pharms USA

Dosage forms

Capsule

Capsule, Tablet, Oral pellets

Drug class

Antirheumatic Agent

—

Boxed warning

None

Half-life

—

about 3 to 4 hours at 250 mg, rising to 5 to 7 hours at 500 mg (dose-dependent)

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Prevpac (Copackaged)?

Cuprimine contains Penicillamine, while Prevpac (Copackaged) contains Amoxicillin and Clarithromycin and Lansoprazole — 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.