CUPRIMINE vs METASTRON

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. CUPRIMINE and METASTRON 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	METASTRON
Rating	74/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PENICILLAMINE	STRONTIUM CHLORIDE SR-89
Manufacturer	Valeant Pharm Intl	Q Biomed
Dosage forms	Capsule	Injectable
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine metastron

Rating

74/100

New

Pharmacy pays

—

Type

Active ingredient

PENICILLAMINE

STRONTIUM CHLORIDE SR-89

Manufacturer

Valeant Pharm Intl

Q Biomed

Dosage forms

Capsule

Injectable

Drug class

Antirheumatic Agent

—

Boxed warning

None

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Metastron?

Cuprimine contains Penicillamine, while Metastron contains Strontium Chloride SR-89 — 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.