FELBATOL vs PRIMIDONE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. FELBATOL and PRIMIDONE 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	FELBATOL	PRIMIDONE
Rating	New	70/100
Pharmacy pays	~$30.62 /30	~$2.89 /30
Type	RX	RX
Active ingredient	FELBAMATE	PRIMIDONE
Manufacturer	Mylan Speciality LP	Amneal
Dosage forms	Tablet	Tablet
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	Boxed warning	None
Treats	Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome	Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

felbatol primidone

Rating

New

70/100

Pharmacy pays

~$30.62 /30

~$2.89 /30

Type

Active ingredient

FELBAMATE

PRIMIDONE

Manufacturer

Mylan Speciality LP

Amneal

Dosage forms

Tablet

Drug class

Anti-Epileptic Agent

Boxed warning

None

Treats

Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome

Partial Epilepsies, Tonic-Clonic Epilepsy, Tremor

Frequently asked questions

Which is cheaper, Felbatol or Primidone?

Primidone costs pharmacies less to acquire — about $2.89 vs $30.62 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 Felbatol and Primidone?

Felbatol contains Felbamate, while Primidone 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.