MYSOLINE vs OXCARBAZEPINE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. MYSOLINE and OXCARBAZEPINE 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	OXCARBAZEPINE
Rating	70/100	70/100
Pharmacy pays	~$2.89 /30	~$5.03 /30
Type	RX	RX
Active ingredient	PRIMIDONE	OXCARBAZEPINE
Manufacturer	Valeant Pharm Intl	Jubilant Cadista
Dosage forms	Tablet	Suspension, Tablet, extended release, Tablet
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	None
Half-life	—	about 2 hours (immediate-release tablets and oral suspension)
Treats	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor	Partial Epilepsies

mysoline oxcarbazepine

Rating

70/100

Pharmacy pays

~$2.89 /30

~$5.03 /30

Type

Active ingredient

PRIMIDONE

OXCARBAZEPINE

Manufacturer

Valeant Pharm Intl

Jubilant Cadista

Dosage forms

Tablet

Suspension, Tablet, extended release, Tablet

Drug class

Anti-Epileptic Agent

Boxed warning

None

Half-life

—

about 2 hours (immediate-release tablets and oral suspension)

Treats

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Partial Epilepsies

Frequently asked questions

Which is better-rated, Mysoline or Oxcarbazepine?

Mysoline and Oxcarbazepine are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Mysoline or Oxcarbazepine?

Mysoline costs pharmacies less to acquire — about $2.89 vs $5.03 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Mysoline and Oxcarbazepine?

Mysoline contains Primidone, while Oxcarbazepine contains Oxcarbazepine — 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.