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In the US, Pregabalin (pregabalin systemic) is a member of the drug class gamma-aminobutyric acid analogs and is used to treat Dercum's Disease, Diabetic Peripheral Neuropathy, Epilepsy, Fibromyalgia, Generalized Anxiety Disorder, Migraine Prevention, Neuralgia, Neuropathic Pain, Occipital Neuralgia, Pain, Peripheral Neuropathy, Postherpetic Neuralgia, Reflex Sympathetic Dystrophy Syndrome, Restless Legs Syndrome, Small Fiber Neuropathy, Spondylolisthesis and Syringomyelia.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Antiepileptic agent

Chemical Names

(S)-(+)-3-isobutyl-gamma-aminobutyric acid

(S)-(+)-4-amino-3-(2-metylpropyl)butanoic acid

(S)-3-(Aminometyl)-5-metylhexanoic acid (WHO)

(S)-3-(Aminometyl)-5-metylhexansäure (IUPAC)

Hexanoic acid, 3-(aminometyl)-5-metyl-, (3S)-

Foreign Names

  • Pregabalinum (Latin)
  • Pregabalin (German)
  • Prégabaline (French)
  • Pregabalina (Spanish)

Generic Names

  • Pregabalin (OS: BAN, USAN, JAN, Ph. Eur.)
  • Pregabalinum (OS: Ph. Eur.)
  • CI 1008 (WarnerLambert) (IS)
  • Isobutyl GABA (IS)
  • NS-2330 (NeuroSearch) (IS)
  • PD 144723 (WarnerLambert) (IS)
  • PGN (IS)
  • UNII-55JG375S6M (IS)
  • Pregabalin (PH: BP 2018, Ph. Eur. 9, USP 41)

Brand Names


BANBritish Approved Name
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Ph. Eur.European Pharmacopoeia
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld 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.