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HORIZANT vs SEZABY

Independent side-by-side comparison.

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

Possible drug interaction. HORIZANT and SEZABY 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.

Rating

70/100
New

Pharmacy pays

~$3.49 /30

Type

RX
RX

Active ingredient

GABAPENTIN ENACARBIL
PHENOBARBITAL SODIUM

Dosage forms

Tablet, extended release
Injectable

Drug class

Boxed warning

Half-life

about 5 to 7 hours in adults with normal kidney function

Treats

Bipolar Disorder, Partial Epilepsies, Phobic Disorders
Febrile Seizures, Partial Epilepsies, Tonic-Clonic Epilepsy

Frequently asked questions

What is the difference between Horizant and Sezaby?

Horizant contains Gabapentin Enacarbil, while Sezaby contains Phenobarbital Sodium — 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.