EUTHROID-1 vs MYSOLINE

Independent side-by-side comparison.

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

Possible drug interaction. EUTHROID-1 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	EUTHROID-1	MYSOLINE
Rating	New	74/100
Pharmacy pays	—	~$2.89 /30
Type	RX	RX
Active ingredient	LIOTRIX (T4 AND T3)	PRIMIDONE
Manufacturer	Parke Davis	Valeant Pharm Intl
Dosage forms	Tablet	Tablet
Drug class	—	Anti-Epileptic Agent
Boxed warning	None	None
Treats	—	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

euthroid-1 mysoline

Rating

New

74/100

Pharmacy pays

—

~$2.89 /30

Type

Active ingredient

LIOTRIX (T4 AND T3)

PRIMIDONE

Manufacturer

Parke Davis

Valeant Pharm Intl

Dosage forms

Tablet

Drug class

—

Anti-Epileptic Agent

Boxed warning

None

Treats

—

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Frequently asked questions

What is the difference between Euthroid-1 and Mysoline?

Euthroid-1 contains Liotrix (T4 and T3), 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.