Last Updated: November 8, 2026

Acetaminophen; butalbital - Generic Drug Details

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What are the generic sources for acetaminophen; butalbital and what is the scope of freedom to operate?

Acetaminophen; butalbital is the generic ingredient in twenty branded drugs marketed by Forest Pharms, Mallinckrodt, Dr Reddys Labs Sa, Granules, Valeant, Dunhall, Pharmobedient, Alvogen, Halsey, Lgm Pharma, Ne Rx Pharma, Pharmazone, Quagen, Watson Labs, Mikart, Mayrand, Shire, Aurolife Pharma Llc, Gilbert Labs, Graham Dm, Hikma, Ingenus Pharms Llc, Key Therap, Lannett Co Inc, Nuvo Pharms Inc, Taro, Us Chem, Genus, Abhai Llc, Able, Actavis Labs Ut Inc, Mirror Pharms Llc, Nesher Pharms, Specgx Llc, Strides Pharma, Strides Pharma Intl, Sun Pharm Industries, Vintage Pharms, and Hikma Intl Pharms, and is included in eighty-two NDAs. Additional information is available in the individual branded drug profile pages.

Ten suppliers are listed for this compound.

Summary for acetaminophen; butalbital
Recent Clinical Trials for acetaminophen; butalbital

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Fundação de Amparo à Pesquisa do Estado de São PauloPhase 4
Federal University of São PauloPhase 4
GlaxoSmithKlinePhase 3

See all acetaminophen; butalbital clinical trials

Pharmacology for acetaminophen; butalbital
Drug ClassBarbiturate

US Patents and Regulatory Information for acetaminophen; butalbital

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Genus BUTALBITAL, ACETAMINOPHEN AND CAFFEINE acetaminophen; butalbital; caffeine SOLUTION;ORAL 040387-001 Jan 31, 2003 RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aurolife Pharma Llc BUTALBITAL, ACETAMINOPHEN AND CAFFEINE acetaminophen; butalbital; caffeine CAPSULE;ORAL 204733-001 Sep 26, 2018 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Quagen BUTALBITAL AND ACETAMINOPHEN acetaminophen; butalbital TABLET;ORAL 214291-001 Jan 18, 2024 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Quagen BUTALBITAL, ACETAMINOPHEN AND CAFFEINE acetaminophen; butalbital; caffeine CAPSULE;ORAL 214288-001 Feb 8, 2024 AA RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs BUTALBITAL, ACETAMINOPHEN AND CAFFEINE acetaminophen; butalbital; caffeine TABLET;ORAL 040267-001 Jul 30, 1998 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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