FELBAMATE vs VALPROIC ACID

Independent side-by-side comparison.

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

Possible drug interaction. FELBAMATE and VALPROIC ACID 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	FELBAMATE	VALPROIC ACID
Rating	70/100	New
Pharmacy pays	~$30.62 /30	~$1.02 /30
Type	RX	RX
Active ingredient	FELBAMATE	VALPROIC ACID
Manufacturer	Amneal	Chartwell Rx
Dosage forms	Suspension, Tablet	Solution
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	Boxed warning	None
Treats	Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome	Alzheimer Disease, Bipolar Disorder, Epilepsy

felbamate valproic acid

Rating

70/100

New

Pharmacy pays

~$30.62 /30

~$1.02 /30

Type

Active ingredient

FELBAMATE

VALPROIC ACID

Manufacturer

Amneal

Chartwell Rx

Dosage forms

Suspension, Tablet

Solution

Drug class

Anti-Epileptic Agent

Boxed warning

None

Treats

Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome

Alzheimer Disease, Bipolar Disorder, Epilepsy

Frequently asked questions

Which is cheaper, Felbamate or Valproic Acid?

Valproic Acid costs pharmacies less to acquire — about $1.02 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 Felbamate and Valproic Acid?

Felbamate contains Felbamate, while Valproic Acid contains Valproic Acid — 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.