CUPRIMINE vs IVADANTIN

Independent side-by-side comparison.

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

Possible drug interaction. CUPRIMINE and IVADANTIN 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	IVADANTIN
Rating	74/100	New
Pharmacy pays	—	$2.02 /mL
Type	RX	RX
Active ingredient	PENICILLAMINE	NITROFURANTOIN SODIUM
Manufacturer	Valeant Pharm Intl	Procter and Gamble
Dosage forms	Capsule	Injectable
Drug class	Antirheumatic Agent	Nitrofuran Antibacterial
Boxed warning	Boxed warning	None
Half-life	—	about 20 minutes (roughly 0.3 hours) for the parent drug in adults with normal kidney function
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine ivadantin

Rating

74/100

New

Pharmacy pays

—

$2.02 /mL

Type

Active ingredient

PENICILLAMINE

NITROFURANTOIN SODIUM

Manufacturer

Valeant Pharm Intl

Procter and Gamble

Dosage forms

Capsule

Injectable

Drug class

Antirheumatic Agent

Nitrofuran Antibacterial

Boxed warning

None

Half-life

—

about 20 minutes (roughly 0.3 hours) for the parent drug in adults with normal kidney function

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Ivadantin?

Cuprimine contains Penicillamine, while Ivadantin contains Nitrofurantoin Sodium — 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.