GRALISE vs STAVZOR

Independent side-by-side comparison.

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

Possible drug interaction. GRALISE and STAVZOR 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	GRALISE	STAVZOR
Rating	New	70/100
Pharmacy pays	~$1.22 /30	~$1.02 /30
Type	RX	RX
Active ingredient	GABAPENTIN	VALPROIC ACID
Manufacturer	Almatica	Bionpharma
Dosage forms	Tablet	Capsule, delayed release
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	—
Treats	Bipolar Disorder, Partial Epilepsies, Phobic Disorders	Alzheimer Disease, Bipolar Disorder, Epilepsy

gralise stavzor

Rating

New

70/100

Pharmacy pays

~$1.22 /30

~$1.02 /30

Type

Active ingredient

GABAPENTIN

VALPROIC ACID

Manufacturer

Almatica

Bionpharma

Dosage forms

Tablet

Capsule, delayed release

Drug class

Anti-Epileptic Agent

Boxed warning

None

Half-life

about 5 to 7 hours in adults with normal kidney function

—

Treats

Bipolar Disorder, Partial Epilepsies, Phobic Disorders

Alzheimer Disease, Bipolar Disorder, Epilepsy

Frequently asked questions

Which is cheaper, Gralise or Stavzor?

Stavzor costs pharmacies less to acquire — about $1.02 vs $1.22 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 Gralise and Stavzor?

Gralise contains Gabapentin, while Stavzor 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.