MYSOLINE vs OGSIVEO

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 10, 2026·How we rate

Possible drug interaction. MYSOLINE and OGSIVEO 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	MYSOLINE	OGSIVEO
Rating	74/100	New
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	NIROGACESTAT HYDROBROMIDE
Manufacturer	Valeant Pharm Intl	Springworks
Dosage forms	Tablet	Tablet
Drug class	Anti-Epileptic Agent	Gamma Secretase Inhibitor
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	Desmoid Tumors

mysoline ogsiveo

Rating

74/100

New

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

NIROGACESTAT HYDROBROMIDE

Manufacturer

Valeant Pharm Intl

Springworks

Dosage forms

Tablet

Drug class

Anti-Epileptic Agent

Gamma Secretase Inhibitor

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Desmoid Tumors

Frequently asked questions

What is the difference between Mysoline and Ogsiveo?

Mysoline contains Primidone, while Ogsiveo contains Nirogacestat Hydrobromide — 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.