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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 2016, Ph. Eur. 8, USP 38)
  • Pentobarbitalum (PH: Ph. Eur. 8)
  • Pentobarbital Calcium (OS: JAN)
  • Pentobarbital Calcium (PH: JP XVI)
  • Pentobarbital Sodium (OS: JAN, BANM)
  • Barbityral (IS)
  • Natrium aethyl-methylbutylbarbituricum (IS)
  • Pentobarbitone Sodium (IS)
  • Pentobarbitone, soluble (IS)
  • Pentobarbital sodique (PH: Ph. Eur. 8)
  • Pentobarbital Sodium (PH: BP 2016, USP 38)
  • Pentobarbital sodium (PH: Ph. Eur. 8)
  • Pentobarbital-Natrium (PH: Ph. Eur. 8)
  • Pentobarbitalum natricum (PH: Ph. Eur. 8)

Brand Names

  • Chloropent (Pentobarbital and Chloral Hydrate, + Magnesium (veterinary use))
    Zoetis, United States
  • Euthapent (veterinary use)
    Kyron, South Africa
  • Morbital (Pentobarbital and Pentobarbital sodium salt (veterinary use))
    Biowet Pulawy, Poland
  • Narkodorm (veterinary use)
    CPPharma, Germany
  • Vetbutal (Pentobarbital and Pentobarbital sodium salt (veterinary use))
    Biowet Pulawy, Poland
  • Ravona
    Tanabe Mitsubishi Pharma, Japan
  • Beuthanasia D (Pentobarbital and Phenytoin (veterinary use))
    Intervet, United States
  • Combuthal (Pentobarbital and Thiopental Sodium (veterinary use))
    Cross Vetpharm Group, United States
  • Dolethal (veterinary use)
    Vetoquinol, Belgium; Vetoquinol, Netherlands; Vetoquinol Ireland, Ireland; Vetoquinol UK Ltd, United Kingdom
  • Doléthal (veterinary use)
    Vetoquinol, France
  • Dorminal (veterinary use)
    Alfasan, Netherlands; Alfasan International, Poland
  • Esconarkon (veterinary use)
    Streuli Vet, Switzerland
  • Eutha (veterinary use)
    Zoetis, Germany
  • Euthanasia III (Pentobarbital and Phenytoin (veterinary use))
    Med-Pharmex, United States
  • Eutha-Naze (veterinary use)
    Bayer AH, South Africa
  • Euthanimal (veterinary use)
    Alfasan, Ireland
  • Euthasol (Pentobarbital and Phenytoin (veterinary use))
    Virbac AH, United States
  • Euthasol (veterinary use)
    AST, Netherlands; Laboratoire TVM, France; Le Vet, Belgium; Le Vet Beheer, Ireland; Le Vet Pharma B.V., United Kingdom; Vetcare, Finland; Virbac, Norway; Virbac, Sweden; Le Vet, Austria
  • Euthasol 40% (veterinary use)
    Virbac, Switzerland
  • Euthatal (veterinary use)
    Merial, United Kingdom; Merial, Ireland
  • Exagon (veterinary use)
    Richter Pharma, Austria; Richter Pharma, Norway
  • Lethabarb (veterinary use)
    Virbac, Australia
  • Lethobarb (veterinary use)
    Ayrton Saunders, United Kingdom
  • Mebunat (veterinary use)
    Orion Pharma Eläinlääkkeet, Finland
  • Morbital (Pentobarbital and Pentobarbital (veterinary use))
    Biowet Pulawy, Poland
  • Narcoren (veterinary use)
    Merial, Germany
  • Natrium pentobarbital 20% Kela (veterinary use)
    Kela, Belgium
  • Nembutal (veterinary use)
    Ceva, Belgium
  • Nembutal Sodium
    Abbott, 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 Wyeth-Ayerst
    Wyeth, Inc., United States
  • Pentobarbitone (veterinary use)
    Ilium Veterinary Products, Australia
  • Pentoject (veterinary use)
    Animalcare, United Kingdom
  • Release (veterinary use)
    WDT, Belgium; WDT, Germany; WDT, United Kingdom; WDT, Ireland; Wirtschaftsgenossenschaft deutscher Tierärzte, Netherlands
  • Somnopentyl (veterinary use)
    Intervet, United States
  • Valabarb (veterinary use)
    Jurox, Australia
  • Vetbutal (Pentobarbital and Pentobarbital (veterinary use))
    Biowet Pulawy, Poland


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.