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



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anthelmintic agent

Chemical Name

Benzamide, N-[5-chloro-4-[(4-chlorophenyl)cyanomethyl]-2-methylphenyl]-2-hydroxy-3,5-diiodo-

Foreign Names

  • Closantelum (Latin)
  • Closantel (German)
  • Closantel (French)
  • Closantel (Spanish)

Generic Names

  • Closantel (OS: USAN, BAN)
  • R 31520 (IS: Janssen)
  • Closantel Sodium (OS: BANM)
  • Closantel Sodium Dihydrate (PH: BP vet. 2011)
  • Closantel sodium dihydrate for veterinary use (PH: Ph. Eur. 7)
  • Closantelum natricum dihydricum ad usum veterinarium (PH: Ph. Eur. 7)

Brand Names

  • Avomec Duel (Closantel and Abamectin (veterinary use))
    Merial Australia, Australia
  • Clomectin (Closantel and Abamectin (veterinary use))
    Ceva Animal Health, South Africa
  • Closal (Closantel and Albendazole (veterinary use))
    Coopers Animal Health, Australia; Intervet / Schering-Plough Animal Health, New Zealand
  • Closamax (veterinary use)
    Bomac Animal Health, Australia
  • Closamectin (Closantel and Ivermectin (veterinary use))
    Norbrook, South Africa; Norbrook Laboratories, United Kingdom; N-vet, Sweden
  • Closantel (veterinary use)
    Western Stock Distributors, Australia
  • Closeco (veterinary use)
    Afrivet, South Africa
  • Closicare (Closantel and Selenium (veterinary use))
    Virbac, Australia
  • Closiver (Closantel and Ivermectin (veterinary use))
    Norbrook Laboratories, United Kingdom
  • Endoject+Fluke (veterinary use)
    Cipla Agrimed, South Africa
  • Flukiver (veterinary use)
    Bayer Animal Health, South Africa; Janssen Pharmaceutica N.V., Luxembourg; Janssen Santé Animale, France; Janssen-Cilag Vet., Italy
  • Genesis Xtra Drench (Closantel and Abamectin (veterinary use))
    Ancare Australia, Australia
  • MDB Maxicare (Closantel and Albendazole (veterinary use))
    Ceva Animal Health, South Africa
  • Mebadown (Closantel and Mebendazole (veterinary use))
    Janssen-Cilag Ltd, United Kingdom
  • Norofas (Closantel and Ivermectin (veterinary use))
    Norbrook Laboratories, United Kingdom
  • Parafend (Closantel and Oxfendazole (veterinary use))
    Norbrook, South Africa
  • Pro Inject (veterinary use)
    Virbac, South Africa
  • Prodose Yellow (veterinary use)
    Virbac, South Africa
  • Prodose (Closantel and Albendazole (veterinary use))
    Virbac, South Africa
  • Q Drench (Closantel and Levamisole, + Albendazole, + Abamectin (veterinary use))
    Jurox, Australia; Jurox, New Zealand
  • Seponver (Closantel and Mebendazole (veterinary use))
    Bayer Animal Health, South Africa
  • Seponver (Closantel and Sodium Selenate (veterinary use))
    Coopers Animal Health, Australia
  • Seponver (veterinary use)
    Janssen Santé Animale, France; Janssen-Cilag Vet., Italy
  • Supaverm (Closantel and Mebendazole (veterinary use))
    Janssen Santé Animale, France; Janssen-Cilag Ltd, United Kingdom
  • Super Fluke (veterinary use)
    Intervet, South Africa
  • Sustain (Closantel and Sodium Selenate (veterinary use))
    Jurox, Australia
  • Tri Dose (veterinary use)
    Intervet, South Africa
  • Closamectine (Closantel and Ivermectin (veterinary use))
    Axience, France
  • Duotech (Closantel and Oxfendazole (veterinary use))
    Norbrook Laboratoires Ltd., Israel; Pfizer Santé Animale, France
  • Flukiver Combi (Closantel and Mebendazole (veterinary use))
    Janssen Animal Health, Germany
  • Flukiver (veterinary use)
    Janssen Animal Health, Belgium; Janssen Animal Health, Germany; Janssen Animal Health, Ireland; Janssen-Cilag Ltd, United Kingdom
  • Valbantel (Closantel and Albendazole (veterinary use))
    Pfizer Animal Health, South Africa
  • Vermax-D (Closantel and Ivermectin (veterinary use))
    Vetoquinol, France

International Drug Name Search


BANBritish Approved Name
BANMBritish Approved Name (Modified)
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and 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.