CUPRIMINE vs QTERNMET XR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 6, 2026·How we rate

Possible drug interaction. CUPRIMINE and QTERNMET XR 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	QTERNMET XR
Rating	74/100	New
Pharmacy pays	—	~$341.96 /30
Type	RX	RX
Active ingredient	PENICILLAMINE	DAPAGLIFLOZIN AND METFORMIN HYDROCHLORIDE AND SAXAGLIPTIN HYDROCHLORIDE
Manufacturer	Valeant Pharm Intl	Astrazeneca Ab
Dosage forms	Capsule	Tablet, extended release
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Half-life	—	about 6.2 hours (plasma elimination half-life in adults with normal kidney function)
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine qternmet xr

Rating

74/100

New

Pharmacy pays

—

~$341.96 /30

Type

Active ingredient

PENICILLAMINE

DAPAGLIFLOZIN AND METFORMIN HYDROCHLORIDE AND SAXAGLIPTIN HYDROCHLORIDE

Manufacturer

Valeant Pharm Intl

Astrazeneca Ab

Dosage forms

Capsule

Tablet, extended release

Drug class

Antirheumatic Agent

—

Boxed warning

None

Half-life

—

about 6.2 hours (plasma elimination half-life in adults with normal kidney function)

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Qternmet XR?

Cuprimine contains Penicillamine, while Qternmet XR contains Dapagliflozin and Metformin Hydrochloride and Saxagliptin Hydrochloride — 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.