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In the US, Entecavir (entecavir systemic) is a member of the drug class nucleoside reverse transcriptase inhibitors (NRTIs) and is used to treat Hepatitis B.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antivirals for systemic use - Antiviral agent

Nucleoside reverse transcriptase inhibitor (NRTI)

Antiviral agent: Treatment of hepatitis B

Chemical Names




2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymetyl)-2-metylidencyclopentyl]purin-6(1H)-on (IUPAC)

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

9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymetyl)-2-metylenecyclopentyl]guanine (WHO)

Foreign Names

  • Entecavirum (Latin)
  • Entecavir (German)
  • Entecavir (French)
  • Entecavir (Spanish)

Generic Names

  • BMS-200475-01 (Bristol-Myers) (IS)
  • SQ34676 (IS)
  • Entecavir (OS: USAN)
  • Entecavir Hydrate (OS: JAN)
  • Entecavir monohydrate (PH: BP 2018, Ph. Eur. 9)

Brand Names

  • Apo-Entecavir
    Apotex, Canada
  • Aviravir 0,5 mg
    Pharmactive, Turkey
  • Aviravir 1 mg
    Pharmactive, Turkey
  • Baraclude
    AstraZeneca, Tunisia; BMS, Turkey; Bristol-Myers, Greece; Bristol-Myers Squibb, Belgium; Bristol-Myers Squibb, Brazil; Bristol-Myers Squibb, Canada; Bristol-Myers Squibb, China; Bristol-Myers Squibb, Denmark; Bristol-Myers Squibb, Egypt; Bristol-Myers Squibb, Finland; Bristol-Myers Squibb, Hong Kong; Bristol-Myers Squibb, India; Bristol-Myers Squibb, Iceland; Bristol-Myers Squibb, Italy; Bristol-Myers Squibb, Lebanon; Bristol-Myers Squibb, Malaysia; Bristol-Myers Squibb, Netherlands; Bristol-Myers Squibb, Philippines; Bristol-Myers Squibb, Pakistan; Bristol-Myers Squibb, Poland; Bristol-Myers Squibb, Romania; Bristol-Myers Squibb, Singapore; Bristol-Myers Squibb, Slovenia; Bristol-Myers Squibb, Thailand; Bristol-Myers Squibb, Taiwan; Bristol-Myers Squibb, United States; Bristol-Myers Squibb, South Africa; Orifarm, Norway; PharmaSwiss, Croatia (Hrvatska); Taisho Pharmaceutical, Indonesia; Urufarma, Uruguay
  • Baraclude 0,05 mg/ml
    Bristol-Myers Squibb, Switzerland
  • Baraclude 0.5mg
    Bristol-Myers Squibb, Switzerland; Bristol-Myers Squibb, Germany; Bristol-Myers Squibb, Hungary; Bristol-Myers Squibb, Israel; Bristol-Myers Squibb, Luxembourg; Bristol-Myers Squibb, Oman
  • Baraclude 1mg
    Bristol-Myers Squibb, Switzerland; Bristol-Myers Squibb, Israel; Bristol-Myers Squibb, Luxembourg; Bristol-Myers Squibb, Oman
  • Barcavir
    Incepta, Bangladesh
  • Becavir
    Siphat, Tunisia
  • Cludine tech
    Ph tec, Egypt
  • Ecavir
    Macter, Pakistan
  • Encavir
    Biolab, Thailand
  • Enebra
    Taha Pharma, Tunisia
  • Entca
    Caraway, Pakistan
  • Entecavir
    Accord Healthcare, United States; Actavis UK, United Kingdom; Alvogen, Bosnia & Herzegowina; Amneal Pharmaceuticals, United States; Aurobindo Pharma USA, United States; BGP Products, Bosnia & Herzegowina; Cipla, United States; Hetero, United States; Jensonr Plus, United Kingdom; Par Pharmaceutical, United States; Sandoz, United States; Teva, United States; Zydus Pharma, United States
  • Entecavir Accord
    Accord Healthcare, Denmark; Accord Healthcare, Romania; Accord Healthcare, Slovenia
  • Entecavir Aurobindo
    Aurobindo Pharma Romania, Romania
  • Entecavir Cipla
    Cipla EU, United Kingdom
  • Entecavir Dr. Reddy's
    Dr. Reddy's, Romania
  • Entecavir Glenmark
    Glenmark, Romania
  • Entecavir Mylan
    Mylan, Slovenia
  • Entecavir Teva
    Teva, Denmark; Teva Romania, Romania
  • Entecavir Welding
    Welding, Romania
  • Entegard
    InnoGen, Philippines
  • Entikav
    GlaxoSmithKline, Hong Kong
  • Hednavir
    Atabay, Turkey
  • Hepagard
    Arven, Turkey
  • Hepatovir-B
    Deva, Turkey
  • Kavir
    Philadelphia Pharma, Tunisia
  • Neaclude
    Neapolis Pharma, Tunisia
  • PMS-Entecavir
    Pharmascience, Canada; Pharmascience, Tunisia
  • Quantavir
    Abdi Ibrahim, Bosnia & Herzegowina
  • Tecavir
    Aristopharma, Bangladesh; Eva, Egypt
  • Teviral
    ACI, Bangladesh
  • Viratit
    Farma-Tek, Turkey
  • Virente
    Nobel, Turkey
  • Zenticavir
    Zentiva, Turkey
  • Zifam Entec
    Zifam India, Myanmar
  • Auro-Entecavir
    Auro Pharma, Canada
  • Baraclude
    Bristol-M.S., Argentina; Bristol-Myers Squibb, Australia; Bristol-Myers Squibb, Chile; Bristol-Myers Squibb, Czech Republic; Bristol-Myers Squibb, Estonia; Bristol-Myers Squibb, Spain; Bristol-Myers Squibb, France; Bristol-Myers Squibb, Ireland; Bristol-Myers Squibb, Japan; Bristol-Myers Squibb, Lithuania; Bristol-Myers Squibb, Norway; Bristol-Myers Squibb, New Zealand; Bristol-Myers Squibb, Portugal; Bristol-Myers Squibb, Sweden; Bristol-Myers Squibb Pharma Eeig UK, Cyprus; Bristol-Myers Squibb Pharmaceutical, United Kingdom
  • Baraclude 0,05 mg/ml
    Bristol-Myers Squibb, Germany; Bristol-Myers Squibb, Hungary; Bristol-Myers Squibb Pharmaceuticals, Austria
  • Baraclude 0.5mg
    Abacus, Austria; Bristol-Myers Squibb/Pfizer, Austria; Haemato Pharm, Austria
  • Baraclude 1mg
    Abacus, Austria; Bristol-Myers Squibb, Germany; Bristol-Myers Squibb Pharmaceuticals, Austria; Haemato Pharm, Austria
  • Entac
    Cipla, Australia
  • Entecavir
    Chemix Kemikkusu, Japan; Daiichi Sankyo Espha, Japan; Daiko Seiyaku, Japan; Kobayashi Kako, Japan; Nihon Generic, Japan; Pfizer Japan, Japan; Pharmathen, United Kingdom; Sandoz, Japan; Shiono Kemikaru, Japan; Sun Pharmaceuticals UK, United Kingdom; Takeda Teva Pharma, Japan; Teva, Norway; Towa Yakuhin, Japan
  • Entecavir AL
    Aliud Pharma, Germany
  • Entecavir ALIUD PHARMA
    Aliud Pharma GmbH, Netherlands
  • Entecavir Alvogen
    Alvogen, Netherlands; Alvogen Malta, Romania
  • Entecavir Amarox
    Amarox, United Kingdom; Hetero Europe, Netherlands
  • Entecavir Amneal
    Amneal Nordic, Sweden; Amneal Pharma, Australia; Amneal Pharma UK, United Kingdom
  • Entecavir APOTEX
    Apotex, Australia
  • Entecavir Aristo
    Aristo, United Kingdom
  • Entecavir Aurobindo
    Aurobindo, Netherlands
  • Entecavir beta
    Betapharm, Germany
  • Entecavir cell pharm
    STADA, Netherlands
  • Entecavir CF
    Centrafarm, Netherlands
  • Entecavir Dr. Reddy's
    Dr. Reddy's, United Kingdom; Dr. Reddy's, Netherlands
  • Entecavir Farma Job
    Farma Job, Malta
  • Entecavir GH
    Cipla, Australia
  • Entecavir Glenmark
    Glenmark, Germany; Glenmark Pharmaceuticals Europe Limited, Netherlands; Glenmark Pharmaceuticals Nordic, Sweden
  • Entecavir Heumann
    Heumann, Germany
  • Entecavir HEXAL
    Hexal, Germany
  • Entecavir Kent
    Kent Pharmaceuticals, United Kingdom
  • Entecavir Klinge
    Klinge, Germany; Klinge Pharma GmbH, Netherlands
  • Entecavir Medicopharm
    Medicopharm AG, Netherlands
  • Entecavir Mylan
    Alphapharm, Australia; Gerard, Ireland; Mylan, Romania; Mylan, Sweden
  • Entecavir OD
    Sawai Seiyaku, Japan
  • Entecavir Pharmascience
    Pharmascience, Romania
  • Entecavir Pharmathen
    Pharmathen, Romania
  • Entecavir Polpharma
    Polpharma, Netherlands
  • Entecavir RBX
    Ranbaxy, Australia
  • Entecavir Reddy Pharma
    Reddy Pharma, Netherlands
  • Entecavir Sandoz
    Novartis, New Zealand; Sandoz, Australia; Sandoz, Netherlands; Sandoz, Norway; Sandoz, Romania; Sandoz, Sweden
  • Entecavir Sandoz 0.5mg
    Sandoz, Switzerland
  • Entecavir Sandoz 1mg
    Sandoz, Switzerland
  • Entecavir Stada
    STADA, Netherlands; STADA Nordic, Sweden
  • Entecavir Stada 0.5mg
    Stada-VN JV, Vietnam
  • Entecavir Teva
    Teva, Sweden; Teva Nederland, Netherlands
  • Entecavir Teva 0.5mg
    Teva, Israel
  • Entecavir Teva 1mg
    Teva, Israel
  • Entecavir Welding
    Welding, Netherlands
  • Entecavir Zentiva
    Zentiva, United Kingdom; Zentiva Pharma, Germany
  • Entecavir-Mepha 0.5mg
    Mepha Pharma, Switzerland
  • Entecavir-Mepha 1.0mg
    Mepha Pharma, Switzerland
  • Entecavir-ratiopharm
    ratiopharm, Germany
  • Enteclude
    Generic Partners, Australia
  • Entwel
    Welding, Netherlands
  • Hepatovir-B
    Deva, Georgia
  • Istergan
    Elpen, Greece
  • Teneir
    Dosa, Argentina


IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
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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