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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antiviral agent

Nucleoside analogue

Chemical Names

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymetyl)butyl]-

9-[4-Hydroxy-3-(hydroxymetyl)butyl]guanin (IUPAC)

9-[4-Hydroxy-3-(hydroxymetyl)butyl]guanine (WHO)

Foreign Names

  • Penciclovirum (Latin)
  • Penciclovir (German)
  • Penciclovir (French)
  • Penciclovir (Spanish)

Generic Names

  • Penciclovir (OS: USAN, DCF, BAN)
  • BRL 39123 (IS: SmithKlineBeec)

Brand Names

  • Denavir
    Prestium Pharma, United States; GlaxoSmithKline, United States
  • Famvir 1%
    Novartis Pharma, Austria
  • Famvir P
    Novartis, Brazil
  • Fenistil Cold Sore
    Novartis, Malta; Novartis Consumer Health, United Kingdom
  • Fenistil Penciclovir
    Novartis Consumer Health, Netherlands
  • Fenistil Pencivir
    Novartis, Georgia; Novartis Consumer Health, Germany
  • Fenivir
    Interdelta, Switzerland; Novartis, Bulgaria; Novartis, Estonia; Novartis, Greece; Novartis, Lithuania; Novartis, Latvia; Novartis Consumer Health, Spain; Novartis Consumer Health, Hungary; Novartis Consumer Health, South Africa; Novartis Consumer Health - Gebro, Austria; Novartis Hellas, Cyprus; Omega Pharma, Portugal
  • Fenlips
    Novartis Pharma, Israel
  • Keyou
    Zhaohui, China
  • Penciclovir 1%
    Sabaa, Egypt
  • Pencivir bei Lippenherpes
    Novartis Consumer Health, Germany
  • Pentavir
    Fortbenton, Argentina
  • Ploref 1%
    Mash, Egypt
  • Vectatone
    Novartis, Sweden
  • Vectavir
    Novartis, Czech Republic; Novartis, Denmark; Novartis, Iceland; Novartis, Norway; Novartis, Oman; Novartis, Sweden; Novartis, Slovakia; Novartis, Turkey; Novartis Consumer Health, Australia; Novartis Consumer Health, Belgium; Novartis Consumer Health, New Zealand; Novartis Farma, Italy
  • Vectavir 1%
    Novartis, Finland
  • Vectavir Labiale
    Novartis Consumer Health, Italy


BANBritish Approved Name
DCFDénomination Commune Française
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
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

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