MYSOLINE vs THAM-E

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 12, 2026·How we rate

Possible drug interaction. MYSOLINE and THAM-E 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	THAM-E
Rating	74/100	58/100
Pharmacy pays	~$2.89 /30	$0.04 /mL
Type	RX	RX
Active ingredient	PRIMIDONE	TROMETHAMINE AND POTASSIUM CHLORIDE AND SODIUM CHLORIDE
Manufacturer	Valeant Pharm Intl	Hospira
Dosage forms	Tablet	Injectable
Drug class	Anti-Epileptic Agent	—
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline tham-e

Rating

74/100

58/100

Pharmacy pays

~$2.89 /30

$0.04 /mL

Type

Active ingredient

PRIMIDONE

TROMETHAMINE AND POTASSIUM CHLORIDE AND SODIUM CHLORIDE

Manufacturer

Valeant Pharm Intl

Hospira

Dosage forms

Tablet

Injectable

Drug class

Anti-Epileptic Agent

—

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

Which is better-rated, Mysoline or Tham-E?

By our independent rating, Mysoline scores higher — 3.7 vs 2.9 out of 5 for Tham-E. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Mysoline and Tham-E?

Mysoline contains Primidone, while Tham-E contains Tromethamine and Potassium Chloride and Sodium Chloride — 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.