EVRYSDI vs MYSOLINE

Independent side-by-side comparison.

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

Possible drug interaction. EVRYSDI and MYSOLINE 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	EVRYSDI	MYSOLINE
Rating	72/100	74/100
Pharmacy pays	—	~$2.89 /30
Type	RX	RX
Active ingredient	RISDIPLAM	PRIMIDONE
Manufacturer	Genentech Inc	Valeant Pharm Intl
Dosage forms	Powder, Tablet	Tablet
Drug class	—	Anti-Epileptic Agent
Boxed warning	None	None
Treats	Spinal Muscular Atrophy	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

evrysdi mysoline

Rating

72/100

74/100

Pharmacy pays

—

~$2.89 /30

Type

Active ingredient

RISDIPLAM

PRIMIDONE

Manufacturer

Genentech Inc

Valeant Pharm Intl

Dosage forms

Powder, Tablet

Tablet

Drug class

—

Anti-Epileptic Agent

Boxed warning

None

Treats

Spinal Muscular Atrophy

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Frequently asked questions

Which is better-rated, Evrysdi or Mysoline?

By our independent rating, Mysoline 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 Evrysdi and Mysoline?

Evrysdi contains Risdiplam, while Mysoline contains Primidone — 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.