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

In the US, Niclosamide (niclosamide systemic) is a member of the drug class anthelmintics and is used to treat Fish Tapeworm Infection.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anthelmintic agent

Chemical Names

2',5-dichloro-4'-nitrosalicylanilide (WHO)

5-Chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide (Ph. Eur.)

Foreign Names

  • Niclosamidum (Latin)
  • Niclosamid (German)
  • Niclosamide (French)
  • Niclosamida (Spanish)

Generic Names

  • Niclosamide (OS: BAN, USAN, DCIT, DCF)
  • RP 10768 (IS)
  • Niclosamid, wasserfreies (PH: Ph. Eur. 8)
  • Niclosamide (PH: Ph. Int. 4)
  • Niclosamide anhydre (PH: Ph. Eur. 8)
  • Niclosamide, Anhydrous (PH: BP 2016)
  • Niclosamide, anhydrous (PH: Ph. Eur. 8)
  • Niclosamidum (PH: Ph. Int. 4)
  • Niclosamidum anhydricum (PH: Ph. Eur. 8)

Brand Names

  • Allwormer (Niclosamide and Pyrantel (veterinary use))
    Troy Laboratories, Australia
  • Ambex (Niclosamide and Levamisole (veterinary use))
    Bayer Australia Ltd Animal Health, Australia
  • Ascatene (Niclosamide and Pyrantel (veterinary use))
    Véto-Centre, France
  • Atenas (Niclosamide and Levamisole (veterinary use))
    Fatro, Italy
  • Atenase
    UCI, Brazil
  • CB-99
    Charoen Bhaesaj Lab, Thailand
  • Centaur Diworm (Niclosamide and Levamisole (veterinary use))
    Bayer AH, South Africa
  • Ecolint (veterinary use)
    Afrivet, South Africa
  • Ex A Lint (Niclosamide and Salicylanilide (veterinary use))
    Intervet SA MSD, South Africa
  • Felex (Niclosamide and Pyrantel (veterinary use))
    Zoetis, Italy; Zoetis Australia, Australia
  • Féliténia (veterinary use)
    Véto-Centre, France
  • Fido's Closasole (Niclosamide and Levamisole (veterinary use))
    Mavlab, Australia
  • Gelminthe (Niclosamide and Levamisole (veterinary use))
    Omega Pharma France vet., France
  • Kontal
    Etnovia, Finland
  • Lintex L (veterinary use)
    Bayer AH, South Africa
  • Manoverm
    March Pharma, Thailand
  • Niclosan
    GlaxoSmithKline, India; Misr, Egypt
  • No Worm CLN (Niclosamide and Levamisole (veterinary use))
    Bridgefarma, Netherlands
  • No Worm Pasta (Niclosamide and Oxibendazole (veterinary use))
    Bridgefarma, Netherlands
  • Pet Star (Niclosamide and Piperazine (veterinary use))
    Aafarma, Netherlands
  • Polyverpat (Niclosamide and Pyrantel (veterinary use))
    Omega Pharma France vet., France
  • Stromiten (Niclosamide and Levamisole (veterinary use))
    Vetoquinol, France
  • Taeniasan
    Mephico, Lebanon
  • Tenaver (Niclosamide and Levamisole (veterinary use))
    Drwalewskie Zaklady Przemyslu Bioweterynaryjnego, Poland
  • Teniadex
    Pharmadex, Lebanon
  • Teniverm (Niclosamide and Levamisole (veterinary use))
    Laboratoires Moureau, France
  • Totaal Wormmiddel (Niclosamide and Piperazine (veterinary use))
    Beaphar, Netherlands
  • Tredemine
    IFET, Greece
  • Trédémine
    Sanofi-Aventis, France
  • Vermifuge Clément Chats (Niclosamide and Levamisole (veterinary use))
    Omega Pharma France vet., France
  • Verminil CLN (Niclosamide and Levamisole (veterinary use))
    Emax, Netherlands
  • Vetminth (Niclosamide and Oxibendazole (veterinary use))
    Virbac, Poland
  • Vitaminthe (Niclosamide and Oxibendazole (veterinary use))
    Virbac, France; Virbac, Netherlands
  • Yomesan
    Alexandria Co., Egypt; Bayer, Belgium; Bayer, Italy; Bayer, Lebanon; Bayer, Netherlands; Bayer, Oman; Bayer, Sweden; Bayer, Turkey; Bayer Schering, South Africa; Bayer Vital, Germany; IFET, Greece


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
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.