CENTRAX vs HORIZANT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. CENTRAX and HORIZANT 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	CENTRAX	HORIZANT
Rating	New	70/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	PRAZEPAM	GABAPENTIN ENACARBIL
Manufacturer	Parke Davis	Azurity
Dosage forms	Capsule	Tablet, extended release
Drug class	—	—
Boxed warning	None	None
Half-life	—	about 5 to 7 hours in adults with normal kidney function
Treats	Alcohol Withdrawal Delirium, Anxiety Disorders, Duodenal Ulcer	Bipolar Disorder, Partial Epilepsies, Phobic Disorders

centrax horizant

Rating

New

70/100

Pharmacy pays

—

Type

Active ingredient

PRAZEPAM

GABAPENTIN ENACARBIL

Manufacturer

Parke Davis

Azurity

Dosage forms

Capsule

Tablet, extended release

Drug class

—

Boxed warning

None

Half-life

—

about 5 to 7 hours in adults with normal kidney function

Treats

Alcohol Withdrawal Delirium, Anxiety Disorders, Duodenal Ulcer

Bipolar Disorder, Partial Epilepsies, Phobic Disorders

Frequently asked questions

What is the difference between Centrax and Horizant?

Centrax contains Prazepam, while Horizant contains Gabapentin Enacarbil — 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.