NEURONTIN vs OXCARBAZEPINE

Independent side-by-side comparison.

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

Possible drug interaction. NEURONTIN 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	NEURONTIN	OXCARBAZEPINE
Rating	New	70/100
Pharmacy pays	~$1.22 /30	~$5.03 /30
Type	RX	RX
Active ingredient	GABAPENTIN	OXCARBAZEPINE
Manufacturer	Parke Davis	Jubilant Cadista
Dosage forms	Capsule, Solution, Tablet	Suspension, Tablet, extended release, Tablet
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	None
Half-life	about 5 to 7 hours in adults with normal kidney function	about 2 hours (immediate-release tablets and oral suspension)
Treats	Bipolar Disorder, Partial Epilepsies, Phobic Disorders	Partial Epilepsies

neurontin oxcarbazepine

Rating

New

70/100

Pharmacy pays

~$1.22 /30

~$5.03 /30

Type

Active ingredient

GABAPENTIN

OXCARBAZEPINE

Manufacturer

Parke Davis

Jubilant Cadista

Dosage forms

Capsule, Solution, Tablet

Suspension, Tablet, extended release, Tablet

Drug class

Anti-Epileptic Agent

Boxed warning

None

Half-life

about 5 to 7 hours in adults with normal kidney function

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

Treats

Bipolar Disorder, Partial Epilepsies, Phobic Disorders

Partial Epilepsies

Frequently asked questions

Which is cheaper, Neurontin or Oxcarbazepine?

Neurontin costs pharmacies less to acquire — about $1.22 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 Neurontin and Oxcarbazepine?

Neurontin contains Gabapentin, 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.