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CELONTIN vs SESQUIENT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 17, 2026·How we rate

Possible drug interaction. CELONTIN and SESQUIENT 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

New
64/100

Pharmacy pays

Type

RX
RX

Active ingredient

METHSUXIMIDE
FOSPHENYTOIN SODIUM

Manufacturer

Dosage forms

Capsule
Solution

Drug class

Anti-Epileptic Agent
Anti-Epileptic Agent

Boxed warning

None
None

Treats

Absence Epilepsy
Seizures, Status Epilepticus

Frequently asked questions

What is the difference between Celontin and Sesquient?

Celontin contains Methsuximide, while Sesquient contains Fosphenytoin 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.