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In some countries, this medicine may only be approved for veterinary use.

In the US, Pentobarbital (pentobarbital systemic) is a member of the drug class barbiturates and is used to treat Insomnia, Sedation and Status Epilepticus.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antiepileptic agent

Agent for premedication

Hypnotic and sedative agent

Chemical Name

2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-etyl-5-(1-metylbutyl)-

Foreign Names

  • Pentobarbitalum (Latin)
  • Pentobarbital (German)
  • Pentobarbital (French)
  • Pentobarbital (Spanish)

Generic Names

  • Pentobarbital (OS: BAN, DCIT, DCF)
  • Acidum aethylmethylbutylbarbituricum (IS)
  • Ethaminal (IS)
  • Mebubarbital (IS)
  • Mebumalum (IS)
  • Pentobarbitone (IS)
  • Pentobarbital (PH: BP 2018, Ph. Eur. 9, USP 41)
  • Pentobarbitalum (PH: Ph. Eur. 9)
  • Pentobarbital Calcium (OS: JAN)
  • Pentobarbital Calcium (PH: JP XVII)
  • Pentobarbital Sodium (OS: JAN, BANM)
  • Barbityral (IS)
  • Natrium aethyl-methylbutylbarbituricum (IS)
  • Pentobarbitone Sodium (IS)
  • Pentobarbitone, soluble (IS)
  • Pentobarbital sodique (PH: Ph. Eur. 9)
  • Pentobarbital Sodium (PH: BP 2018, USP 41)
  • Pentobarbital sodium (PH: Ph. Eur. 9)
  • Pentobarbital-Natrium (PH: Ph. Eur. 9)
  • Pentobarbitalum natricum (PH: Ph. Eur. 9)

Brand Names

  • Chloropent [+ Chloral Hydrate, + Magnesium] [veterinary use]
    Zoetis, United States
  • Euthapent [veterinary use]
    Kyron, South Africa
  • Exagon [veterinary use]
    Axience, France; Richter Pharma, Estonia
  • Morbital [+ Pentobarbital sodium salt] [veterinary use]
    Biowet Pulawy, Poland
  • Narkodorm [veterinary use]
    CPPharma, Germany
  • Ravona
    Tanabe Mitsubishi Pharma, Japan
  • Allfatal [veterinary use]
    Omnidea, Sweden
  • Beuthanasia D [+ Phenytoin] [veterinary use]
    Intervet, United States
  • Combuthal [+ Thiopental Sodium] [veterinary use]
    Cross Vetpharm Group, United States
  • Dolethal [veterinary use]
    Vetoquinol, Belgium; Vetoquinol, France; Vetoquinol, Netherlands; Vetoquinol Ireland, Ireland; Vetoquinol UK Ltd, United Kingdom
  • Dorminal 20% [veterinary use]
    Alfasan International, Netherlands
  • Dormital
    Athena, Uruguay
  • Duplisedan [+ Phenobarbital]
    Gramón Bagó, Uruguay
  • Esconarkon [veterinary use]
    Streuli Vet, Switzerland
  • Eutavet [veterinary use]
    Richter Pharma, Italy
  • Euthanasia III [+ Phenytoin] [veterinary use]
    Med-Pharmex, United States
  • Eutha-Naze [veterinary use]
    Bayer AH, South Africa
  • Euthanimal [veterinary use]
    Alfasan, Ireland; Alfasan International, Poland; Ecuphar, Germany; VM Pharma, Sweden
  • Euthanimal 20% [veterinary use]
    Alfasan, Estonia; Alfasan International, United Kingdom
  • Euthanimal 40% [veterinary use]
    Alfasan, Estonia; Alfasan International, United Kingdom; Alfasan International, Netherlands
  • Euthasol [+ Phenytoin] [veterinary use]
    Virbac AH, United States
  • Euthasol [veterinary use]
    Laboratoire TVM, France; Le Vet, Belgium; Le Vet Beheer, Ireland; Le Vet Pharma B.V., United Kingdom; Vetcare, Finland; Virbac, Norway; Virbac, Sweden
  • Euthasol 20% [veterinary use]
    AST, Netherlands
  • Euthasol 40% [veterinary use]
    AST, Netherlands; Virbac, Switzerland
  • Euthasol 400 mg/ml für Nutztiere, Nagetiere, Hunde und Katzen [veterinary use]
    Le Vet, Austria
  • Euthasol vet [veterinary use]
    Le Vet, Estonia; Le Vet, Iceland
  • Euthasol vet. 400mg/ml [veterinary use]
    Le Vet, Poland
  • Euthatal [veterinary use]
    Merial, United Kingdom; Merial, Ireland
  • Euthesate [veterinary use]
    A.A.-Vet, Netherlands
  • Euthoxin [veterinary use]
    Chanelle Pharmaceuticals Manufacturing, United Kingdom
  • Euthoxin 500mg/ml [veterinary use]
    Provet, Switzerland
  • Exagon [veterinary use]
    Richter Pharma, Iceland; Richter Pharma, Norway; Richter Pharma, Poland; Salfarm, Sweden
  • Exagon 400 mg/ml Nutztiere, Nager, Hunde und Katzen [veterinary use]
    Richter Pharma, Austria
  • Lethabarb [veterinary use]
    Virbac, Australia
  • Lethobarb 20% [veterinary use]
    Ayrton Saunders, United Kingdom
  • Mebunat [veterinary use]
    Orion Pharma Eläinlääkkeet, Finland
  • Morbital [+ Pentobarbital] [veterinary use]
    Biowet Pulawy, Poland
  • Narcoren [veterinary use]
    Boehrvet BI-Vetmedica, Germany
  • Natrium pentobarbital 20% Kela [veterinary use]
    Kela, Belgium
  • Nembutal [veterinary use]
    Ceva, Belgium
  • Nembutal Sodium
    Oak Pharmaceuticals, United States
  • Pental [veterinary use]
    CTS, Israel
  • Pentobarb [veterinary use]
    Provet, New Zealand
  • Pentobarbital [veterinary use]
    Ayrton Saunders, United Kingdom
  • Pentobarbital Sodique Ceva Santé Animale [veterinary use]
    Ceva Santé Animale, France
  • Pentobarbital Sodium
    Custopharm, United States; Wyeth, Inc., United States
  • Pentoject [veterinary use]
    Animalcare, United Kingdom
  • Release [veterinary use]
    WDT, Belgium; WDT, Germany; WDT, United Kingdom; WDT, Ireland
  • Release 300 mg/ml [veterinary use]
    WDT, Italy; Wirtschaftsgenossenschaft deutscher Tierärzte, Netherlands
  • Repose [veterinary use]
    Le Vet Pharma B.V., United Kingdom
  • Repose vet [veterinary use]
    Le Vet, Estonia; Le Vet, Iceland
  • Somnopentyl [veterinary use]
    Intervet, United States
  • Valabarb [veterinary use]
    Jurox, Australia


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.