MYSOLINE vs TRINALIN

Independent side-by-side comparison.

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

Possible drug interaction. MYSOLINE and TRINALIN 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	TRINALIN
Rating	74/100	New
Pharmacy pays	~$2.89 /30	—
Type	RX	RX
Active ingredient	PRIMIDONE	AZATADINE MALEATE AND PSEUDOEPHEDRINE SULFATE
Manufacturer	Valeant Pharm Intl	Schering
Dosage forms	Tablet	Tablet, extended release
Drug class	Anti-Epileptic Agent	—
Boxed warning	None	None
Half-life	—	roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	—

mysoline trinalin

Rating

74/100

New

Pharmacy pays

~$2.89 /30

—

Type

Active ingredient

PRIMIDONE

AZATADINE MALEATE AND PSEUDOEPHEDRINE SULFATE

Manufacturer

Valeant Pharm Intl

Schering

Dosage forms

Tablet

Tablet, extended release

Drug class

Anti-Epileptic Agent

—

Boxed warning

None

Half-life

—

roughly 3 to 16 hours — the label does not give one number, because the elimination half-life depends on urine pH: about 3 to 6 hours when urine pH is 5 (acidic), and about 9 to 16 hours when urine pH is 8 (alkaline)

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

—

Frequently asked questions

What is the difference between Mysoline and Trinalin?

Mysoline contains Primidone, while Trinalin contains Azatadine Maleate and Pseudoephedrine 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.