CUPRIMINE vs TAVNEOS

Independent side-by-side comparison.

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

Possible drug interaction. CUPRIMINE and TAVNEOS 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	TAVNEOS
Rating	74/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PENICILLAMINE	AVACOPAN
Manufacturer	Valeant Pharm Intl	Chemocentryx
Dosage forms	Capsule	Capsule
Drug class	Antirheumatic Agent	Complement 5a Receptor Antagonist
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis

cuprimine tavneos

Rating

74/100

New

Pharmacy pays

—

Type

Active ingredient

PENICILLAMINE

AVACOPAN

Manufacturer

Valeant Pharm Intl

Chemocentryx

Dosage forms

Capsule

Drug class

Antirheumatic Agent

Complement 5a Receptor Antagonist

Boxed warning

None

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis

Frequently asked questions

What is the difference between Cuprimine and Tavneos?

Cuprimine contains Penicillamine, while Tavneos contains Avacopan — 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.