OXTELLAR XR vs VALPROATE SODIUM

Independent side-by-side comparison.

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

Possible drug interaction. OXTELLAR XR and VALPROATE 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	OXTELLAR XR	VALPROATE SODIUM
Rating	New	70/100
Pharmacy pays	~$5.03 /30	—
Type	RX	RX
Active ingredient	OXCARBAZEPINE	VALPROATE SODIUM
Manufacturer	Supernus Pharms	Sagent
Dosage forms	Tablet	Injectable, Solution
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	Boxed warning
Half-life	about 2 hours (immediate-release tablets and oral suspension)	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	Partial Epilepsies	—

oxtellar xr valproate sodium

Rating

New

70/100

Pharmacy pays

~$5.03 /30

—

Type

Active ingredient

OXCARBAZEPINE

VALPROATE SODIUM

Manufacturer

Supernus Pharms

Sagent

Dosage forms

Tablet

Injectable, Solution

Drug class

Anti-Epileptic Agent

Boxed warning

None

Boxed warning

Half-life

about 2 hours (immediate-release tablets and oral suspension)

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

Partial Epilepsies

—

Frequently asked questions

What is the difference between Oxtellar XR and Valproate Sodium?

Oxtellar XR contains Oxcarbazepine, while Valproate Sodium contains Valproate 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.