DEPAKOTE ER vs SESQUIENT

Independent side-by-side comparison.

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

Possible drug interaction. DEPAKOTE ER 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.

Attribute	DEPAKOTE ER	SESQUIENT
Rating	70/100	64/100
Pharmacy pays	~$5.99 /30	—
Type	RX	RX
Active ingredient	DIVALPROEX SODIUM	FOSPHENYTOIN SODIUM
Manufacturer	Abbott	Lupin
Dosage forms	Tablet, extended release	Solution
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	None
Half-life	about 9 to 16 hours (the label's mean terminal half-life range for valproate monotherapy)	—
Treats	Bipolar Disorder, Epilepsy, Absence Epilepsy	Seizures, Status Epilepticus

depakote er sesquient

Rating

70/100

64/100

Pharmacy pays

~$5.99 /30

—

Type

Active ingredient

DIVALPROEX SODIUM

FOSPHENYTOIN SODIUM

Manufacturer

Abbott

Lupin

Dosage forms

Tablet, extended release

Solution

Drug class

Anti-Epileptic Agent

Boxed warning

None

Half-life

about 9 to 16 hours (the label's mean terminal half-life range for valproate monotherapy)

—

Treats

Bipolar Disorder, Epilepsy, Absence Epilepsy

Seizures, Status Epilepticus

Frequently asked questions

Which is better-rated, Depakote ER or Sesquient?

By our independent rating, Depakote ER scores higher — 3.5 vs 3.2 out of 5 for Sesquient. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Depakote ER and Sesquient?

Depakote ER contains Divalproex Sodium, 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.