DEPAKOTE vs FOSPHENYTOIN SODIUM

Independent side-by-side comparison.

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

Possible drug interaction. DEPAKOTE and FOSPHENYTOIN SODIUM 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	FOSPHENYTOIN SODIUM
Rating	72/100	72/100
Pharmacy pays	~$5.99 /30	—
Type	RX	RX
Active ingredient	DIVALPROEX SODIUM	FOSPHENYTOIN SODIUM
Manufacturer	Abbvie	Hikma
Dosage forms	Tablet, delayed release	Injectable, Solution
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	Boxed warning	Boxed warning
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 fosphenytoin sodium

Rating

72/100

Pharmacy pays

~$5.99 /30

—

Type

Active ingredient

DIVALPROEX SODIUM

FOSPHENYTOIN SODIUM

Manufacturer

Abbvie

Hikma

Dosage forms

Tablet, delayed release

Injectable, Solution

Drug class

Anti-Epileptic Agent

Boxed warning

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 or Fosphenytoin Sodium?

Depakote and Fosphenytoin Sodium are tied at 3.6 out of 5 by our independent rating.

What is the difference between Depakote and Fosphenytoin Sodium?

Depakote contains Divalproex Sodium, while Fosphenytoin Sodium 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.