CUPRIMINE vs DURANEST

Independent side-by-side comparison.

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

Possible drug interaction. CUPRIMINE and DURANEST 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	DURANEST
Rating	74/100	New
Pharmacy pays	—	~$3898.29 /30
Type	RX	RX
Active ingredient	PENICILLAMINE	EPINEPHRINE BITARTRATE AND ETIDOCAINE HYDROCHLORIDE
Manufacturer	Valeant Pharm Intl	Dentsply Pharm
Dosage forms	Capsule	Injectable
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine duranest

Rating

74/100

New

Pharmacy pays

—

~$3898.29 /30

Type

Active ingredient

PENICILLAMINE

EPINEPHRINE BITARTRATE AND ETIDOCAINE HYDROCHLORIDE

Manufacturer

Valeant Pharm Intl

Dentsply Pharm

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 Duranest?

Cuprimine contains Penicillamine, while Duranest contains Epinephrine Bitartrate and Etidocaine 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.