HORIZANT vs SERAX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. HORIZANT and SERAX 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	HORIZANT	SERAX
Rating	70/100	New
Pharmacy pays	—	~$31.59 /30
Type	RX	RX
Active ingredient	GABAPENTIN ENACARBIL	OXAZEPAM
Manufacturer	Azurity	Alpharma US Pharms
Dosage forms	Tablet, extended release	Capsule
Drug class	—	—
Boxed warning	None	None
Half-life	about 5 to 7 hours in adults with normal kidney function	—
Treats	Bipolar Disorder, Partial Epilepsies, Phobic Disorders	Alcohol Withdrawal Delirium, Anxiety Disorders, Partial Epilepsies

horizant serax

Rating

70/100

New

Pharmacy pays

—

~$31.59 /30

Type

Active ingredient

GABAPENTIN ENACARBIL

OXAZEPAM

Manufacturer

Azurity

Alpharma US Pharms

Dosage forms

Tablet, extended release

Capsule

Drug class

—

Boxed warning

None

Half-life

about 5 to 7 hours in adults with normal kidney function

—

Treats

Bipolar Disorder, Partial Epilepsies, Phobic Disorders

Alcohol Withdrawal Delirium, Anxiety Disorders, Partial Epilepsies

Frequently asked questions

What is the difference between Horizant and Serax?

Horizant contains Gabapentin Enacarbil, while Serax contains Oxazepam — 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.