Rx only · Liquid · Oral

Phenobarbital

3 ACTIVE SUPPLIERS — US

openFDA · updated weekly

US4 NDCs
3 active makers

UKComing
soon

CAComing
soon

AUComing
soon

EUComing
soon

RxCUI (US)8134

US makers3 labelers

Packages4

DEA / ScheduleCIV

US acquisition costNADAC · per unit

Average across 2 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.

$0.040

Latest avg · Jul 22, 2026

-4%

Since Dec 17, 2025

Active US suppliers

75%

Top-2 supplier share*

Labeler	Type	Packages	Status
Bryant Ranch Prepack	repackager	2	SUPPLYING
Rising Pharma Holdings, Inc.	unknown	1	SUPPLYING
Westminster Pharmaceuticals, LLC	unknown	1	SUPPLYING