CUPRIMINE vs DARVON COMPOUND

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 7, 2026·How we rate

Possible drug interaction. CUPRIMINE and DARVON COMPOUND 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	DARVON COMPOUND
Rating	74/100	New
Pharmacy pays	—	~$0.78 /30
Type	RX	RX
Active ingredient	PENICILLAMINE	ASPIRIN AND CAFFEINE AND PROPOXYPHENE HYDROCHLORIDE
Manufacturer	Valeant Pharm Intl	Xanodyne Pharm
Dosage forms	Capsule	Capsule
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Half-life	—	about 20 minutes (the label also states 0.33 hours) for aspirin itself
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	—

cuprimine darvon compound

Rating

74/100

New

Pharmacy pays

—

~$0.78 /30

Type

Active ingredient

PENICILLAMINE

ASPIRIN AND CAFFEINE AND PROPOXYPHENE HYDROCHLORIDE

Manufacturer

Valeant Pharm Intl

Xanodyne Pharm

Dosage forms

Capsule

Drug class

Antirheumatic Agent

—

Boxed warning

None

Half-life

—

about 20 minutes (the label also states 0.33 hours) for aspirin itself

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

—

Frequently asked questions

What is the difference between Cuprimine and Darvon Compound?

Cuprimine contains Penicillamine, while Darvon Compound contains Aspirin and Caffeine and Propoxyphene 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.