VALPROATE SODIUM vs VIGAFYDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 12, 2026·How we rate

Possible drug interaction. VALPROATE SODIUM and VIGAFYDE 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	VALPROATE SODIUM	VIGAFYDE
Rating	70/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	VALPROATE SODIUM	VIGABATRIN
Manufacturer	Sagent	Pyros Pharms
Dosage forms	Injectable, Solution	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, or elimination, half-life for valproate monotherapy after oral doses of 250 to 1,000 mg)	—
Treats	—	Infantile Spasms, Complex Partial Epilepsy

valproate sodium vigafyde

Rating

70/100

New

Pharmacy pays

—

Type

Active ingredient

VALPROATE SODIUM

VIGABATRIN

Manufacturer

Sagent

Pyros Pharms

Dosage forms

Injectable, Solution

Solution

Drug class

Anti-Epileptic Agent

Boxed warning

Half-life

about 9 to 16 hours (the label's mean terminal, or elimination, half-life for valproate monotherapy after oral doses of 250 to 1,000 mg)

—

Treats

—

Infantile Spasms, Complex Partial Epilepsy

Frequently asked questions

What is the difference between Valproate Sodium and Vigafyde?

Valproate Sodium contains Valproate Sodium, while Vigafyde contains Vigabatrin — 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.