CUPRIMINE vs EVRYSDI

Independent side-by-side comparison.

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

Possible drug interaction. CUPRIMINE and EVRYSDI 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	EVRYSDI
Rating	74/100	72/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PENICILLAMINE	RISDIPLAM
Manufacturer	Valeant Pharm Intl	Genentech Inc
Dosage forms	Capsule	Powder, Tablet
Drug class	Antirheumatic Agent	—
Boxed warning	Boxed warning	None
Treats	Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration	Spinal Muscular Atrophy

cuprimine evrysdi

Rating

74/100

72/100

Pharmacy pays

—

Type

Active ingredient

PENICILLAMINE

RISDIPLAM

Manufacturer

Valeant Pharm Intl

Genentech Inc

Dosage forms

Capsule

Powder, Tablet

Drug class

Antirheumatic Agent

—

Boxed warning

None

Treats

Rheumatoid Arthritis, Cystinuria, Hepatolenticular Degeneration

Spinal Muscular Atrophy

Frequently asked questions

Which is better-rated, Cuprimine or Evrysdi?

By our independent rating, Cuprimine scores higher — 3.7 vs 3.6 out of 5 for Evrysdi. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Cuprimine and Evrysdi?

Cuprimine contains Penicillamine, while Evrysdi contains Risdiplam — 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.