CUPRIMINE vs ZYLET

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 9, 2026·How we rate

Possible drug interaction. CUPRIMINE and ZYLET 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	ZYLET
Rating	74/100	New
Pharmacy pays	—	$19.64 /mL
Type	RX	RX
Active ingredient	PENICILLAMINE	LOTEPREDNOL ETABONATE AND TOBRAMYCIN
Manufacturer	Valeant Pharm Intl	Bausch and Lomb
Dosage forms	Capsule	Drops
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine zylet

Rating

74/100

New

Pharmacy pays

—

$19.64 /mL

Type

Active ingredient

PENICILLAMINE

LOTEPREDNOL ETABONATE AND TOBRAMYCIN

Manufacturer

Valeant Pharm Intl

Bausch and Lomb

Dosage forms

Capsule

Drops

Drug class

Antirheumatic Agent

—

Boxed warning

None

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Zylet?

Cuprimine contains Penicillamine, while Zylet contains Loteprednol Etabonate and Tobramycin — 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.