MYSOLINE vs TUZISTRA XR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 6, 2026·How we rate

Possible drug interaction. MYSOLINE and TUZISTRA XR 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	TUZISTRA XR
Rating	74/100	72/100
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	CHLORPHENIRAMINE POLISTIREX AND CODEINE POLISTIREX
Manufacturer	Valeant Pharm Intl	Tris Pharma Inc
Dosage forms	Tablet	Suspension, extended release
Drug class	Anti-Epileptic Agent	—
Boxed warning	None	None
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline tuzistra xr

Rating

74/100

72/100

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

CHLORPHENIRAMINE POLISTIREX AND CODEINE POLISTIREX

Manufacturer

Valeant Pharm Intl

Tris Pharma Inc

Dosage forms

Tablet

Suspension, extended release

Drug class

Anti-Epileptic Agent

—

Boxed warning

None

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

Which is better-rated, Mysoline or Tuzistra XR?

By our independent rating, Mysoline scores higher — 3.7 vs 3.6 out of 5 for Tuzistra XR. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Mysoline and Tuzistra XR?

Mysoline contains Primidone, while Tuzistra XR contains Chlorpheniramine Polistirex and Codeine Polistirex — 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.