FELBAMATE vs LAMICTAL CD

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. FELBAMATE and LAMICTAL CD 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	LAMICTAL CD
Rating	70/100	70/100
Pharmacy pays	~$30.62 /30	~$4.39 /30
Type	RX	RX
Active ingredient	FELBAMATE	LAMOTRIGINE
Manufacturer	Amneal	Glaxosmithkline
Dosage forms	Suspension, Tablet	Tablet
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	Boxed warning	Boxed warning
Half-life	—	about 25 to 33 hours in healthy adults taking no other medications — the label reports a mean elimination half-life of 32.8 hours after a single dose (individual range 14 to 103 hours) and 25.4 hours with repeat dosing (range 11.6 to 61.6 hours), since lamotrigine induces its own metabolism
Treats	Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome	Bipolar Disorder, Partial Epilepsies, Seizures

felbamate lamictal cd

Rating

70/100

Pharmacy pays

~$30.62 /30

~$4.39 /30

Type

Active ingredient

FELBAMATE

LAMOTRIGINE

Manufacturer

Amneal

Glaxosmithkline

Dosage forms

Suspension, Tablet

Tablet

Drug class

Anti-Epileptic Agent

Boxed warning

Half-life

—

about 25 to 33 hours in healthy adults taking no other medications — the label reports a mean elimination half-life of 32.8 hours after a single dose (individual range 14 to 103 hours) and 25.4 hours with repeat dosing (range 11.6 to 61.6 hours), since lamotrigine induces its own metabolism

Treats

Seizures, Complex Partial Epilepsy, Lennox Gastaut Syndrome

Bipolar Disorder, Partial Epilepsies, Seizures

Frequently asked questions

Which is better-rated, Felbamate or Lamictal Cd?

Felbamate and Lamictal Cd are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Felbamate or Lamictal Cd?

Lamictal Cd costs pharmacies less to acquire — about $4.39 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 Lamictal Cd?

Felbamate contains Felbamate, while Lamictal Cd contains Lamotrigine — 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.