MYSOLINE vs PROTAMINE SULFATE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated September 30, 2026·How we rate

Possible drug interaction. MYSOLINE and PROTAMINE SULFATE 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	PROTAMINE SULFATE
Rating	74/100	New
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	PROTAMINE SULFATE
Manufacturer	Valeant Pharm Intl	Quad Pharms
Dosage forms	Tablet	Injectable
Drug class	Anti-Epileptic Agent	Heparin Reversal Agent
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline protamine sulfate

Rating

74/100

New

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

PROTAMINE SULFATE

Manufacturer

Valeant Pharm Intl

Quad Pharms

Dosage forms

Tablet

Injectable

Drug class

Anti-Epileptic Agent

Heparin Reversal Agent

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

What is the difference between Mysoline and Protamine Sulfate?

Mysoline contains Primidone, while Protamine Sulfate contains Protamine Sulfate — 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.