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Thiamazole

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

Scheme

Rec.INN

ATC (Anatomical Therapeutic Chemical Classification)

H03BB02

CAS registry number (Chemical Abstracts Service)

0000060-56-0

Chemical Formula

C4-H6-N2-S

Molecular Weight

114

Therapeutic Categories

Antithyroid agent

Imidazole derivative

Chemical Names

1-Metyl-1,3-dihydro-2H-imidazole-2-tione (Ph. Eur.)

1-Metyl-2-mercaptoimidazole (WHO)

1-Metylimidazole-2-tiol (BAN)

2H-Imidazole-2-tione, 1,3-dihydro-1-metyl- (USAN)

Foreign Names

  • Thiamazolum (Latin)
  • Thiamazol (German)
  • Thiamazol (French)
  • Tiamazol (Spanish)

Generic Names

  • Thiamazole (OS: BAN, JAN, DCF)
  • Tiamazolo (OS: DCIT)
  • Mercazolyl (IS)
  • Methimazole (IS)
  • Methylmercaptoimidazole (IS)
  • Methymazole (IS)
  • NSC 38608 (IS)
  • UNII-554Z48XN5E (IS)
  • Methimazole (PH: USP 41)
  • Metimazolo (PH: F.U. IX)
  • Thiamazole (PH: BP 2018, JP XVII, Ph. Eur. 9)
  • Thiamazolum (PH: Ph. Eur. 9)

Brand Names

  • Apelka [veterinary use]
    Norbrook Poland, Poland; Vetcare, Finland
  • Apelka 5 mg/ml für Katzen [veterinary use]
    Norbrook Laboratories, Austria
  • Athyrazol
    Jadran, Bosnia & Herzegowina; JADRAN - GALENSKI, Slovenia; Jadranka, Croatia (Hrvatska)
  • Based
    Panion & BF, Taiwan
  • Bromazolo [+ Dibromotyrosine]
    Baldacci, Italy
  • Favistan
    Asta Medica, Paraguay; Bosnalijek, Bosnia & Herzegowina; Temmler Pharma, Germany
  • Felidale [veterinary use]
    Dechra Veterinary Products, United Kingdom; Selectavet, Germany
  • Felidale 2.5 mg voor katten [veterinary use]
    Dechra Veterinary Products, Netherlands
  • Felidale 5 mg voor katten [veterinary use]
    Dechra Veterinary Products, Netherlands
  • Felimazole [veterinary use]
    Albrecht, Germany; Dechra, Finland; Dechra, Ireland; Dechra, Norway; Dechra, Sweden; Dechra Veterinary Products, Belgium; Dechra Veterinary Products, United Kingdom; Dechra Veterinary Products, United States; Esteve, Italy
  • Felimazole 1.25 mg für Katzen For cats [veterinary use]
    Dechra, Austria
  • Felimazole 1.25 mg voor katten [veterinary use]
    Dechra Veterinary Products, Netherlands
  • Felimazole 1.25mg [veterinary use]
    Dechra Veterinary Products, France
  • Felimazole 2.5 mg für Katzen For cats [veterinary use]
    Dechra, Austria; MSD Animal Health, Switzerland
  • Felimazole 2.5 mg voor katten [veterinary use]
    Dechra Veterinary Products, Netherlands
  • Felimazole 2.5mg [veterinary use]
    Dechra Veterinary Products, France; Dermcare-Vet, Australia
  • Felimazole 5 mg für Katzen For cats [veterinary use]
    Dechra, Austria; MSD Animal Health, Switzerland
  • Felimazole 5 mg voor katten [veterinary use]
    Dechra Veterinary Products, Netherlands
  • Felimazole 5mg [veterinary use]
    Dechra Veterinary Products, France; Dermcare-Vet, Australia
  • Ganglioside
    Armstrong Laboratorios de Mexico, Mexico
  • Hontan
    Ying Yuan, Taiwan
  • Hyper-T [veterinary use]
    Bayer New Zealand, New Zealand
  • Jia Qi Ya
    Qilu Pharmaceutical Group, China
  • Lica
    Swiss Pharm, Taiwan
  • Mercaptizol
    Taro, Israel
  • Mercazole
    ASKA Seiyaku Asuka, Japan
  • Mercazolyl-Zdorovye
    Zdorovie, Georgia
  • Methimazole
    ECI Pharmaceuticals, United States; Heritage, United States; Mylan, United States; Rising, United States; Sandoz, United States; Sun Pharma, United States
  • Methimazole Johnson
    Johnson, Taiwan
  • Methimazole Yung Shin
    Yung Shin, Thailand
  • Methizol
    Update, Taiwan
  • Methizol SD
    mibe, Germany
  • Metibasol
    Sanóbia, Portugal
  • Metidazol
    Dispert, Uruguay
  • Metidazol 10mg
    Dispert, Uruguay
  • Metizol
    ICN, Bulgaria; PharmaSwiss, Poland; SIA Meda Pharma, Lithuania
  • Metothyrin 10 mg
    PannonPharma, Hungary
  • MMI 10
    Milefar, Uruguay
  • MMI 5
    Milefar, Uruguay
  • Normazole [veterinary use]
    Norbrook Laboratories, United Kingdom
  • Strumazol
    Aspen, Philippines; Aspen Oss, Netherlands; Euro Registratie, Netherlands; Medcor Pharmaceuticals, Netherlands; Takeda Belgium, Belgium
  • Strumazol-10
    Takeda, Luxembourg
  • Strumex
    Bosnalijek, Macedonia
  • Tab-Zole
    Swiss Export, Lebanon
  • Tapazol
    Biolab Sanus Farmacêutica, Brazil; Farma Colombia, Colombia; Grupo Farma, Ecuador; Quimica Suiza, Peru; Siegfried, Mexico
  • Tapazole
    A. Menarini, Philippines; DKSH, Thailand; King Pharmaceuticals, United States; Lilly, Venezuela; Paladin, Canada; Pharmaline, Lebanon; Teofarma, Italy
  • Tapdin
    MedChoice, Philippines
  • Thacapzol
    Meda, Sweden
  • Thiafeline [veterinary use]
    Le Vet Beheer, Ireland; Le Vet Pharma B.V., United Kingdom; Vetcare, Finland; Virbac, Sweden
  • Thiafeline 2,5 mg für Katzen [veterinary use]
    Le Vet, Austria
  • Thiafeline 2.5 mg voor katten [veterinary use]
    AST, Netherlands
  • Thiafeline 2.5mg [veterinary use]
    Gräub, Switzerland; Laboratoire TVM, France
  • Thiafeline 5 mg für Katzen [veterinary use]
    Le Vet, Austria
  • Thiafeline 5 mg voor katten [veterinary use]
    AST, Netherlands
  • Thiafeline 5mg [veterinary use]
    Gräub, Switzerland; Laboratoire TVM, France
  • Thiafeline chats [veterinary use]
    Le Vet, Belgium
  • Thiafeline vet [veterinary use]
    Le Vet, Estonia; Le Vet, Iceland; Le Vet, Poland
  • Thiamatab [veterinary use]
    CPPharma, Germany
  • Thiamatab 2.5mg [veterinary use]
    Virbac, Switzerland
  • Thiamatab 5mg [veterinary use]
    Virbac, Switzerland
  • Thiamazol Aristo
    Aristo Pharma, Germany
  • Thiamazol Henning
    Sanofi-Aventis Deutschland, Germany
  • Thiamazol HEXAL
    Hexal, Germany
  • Thiamazol Lindopharm
    Aristo Pharma, Germany
  • Thiamazol Sandoz 20 mg
    Sandoz, Austria
  • Thiamazole Merck
    Merck, Lithuania
  • Thiamazole Uni-Pharma
    Orifarm Generics, Denmark; Orifarm Generics, Sweden
  • Thimazol
    Shun Hwa, Taiwan
  • Thycapzol
    Sandoz, Denmark
  • Thyromazol
    Abdi Ibrahim, Turkey
  • Thyronorm [veterinary use]
    Norbrook Laboratories, United Kingdom
  • Thyrozol
    Merck, Bosnia & Herzegowina; Merck, Bulgaria; Merck, Bulgaria; Merck, Chile; Merck, Czech Republic; Merck, Estonia; Merck, Indonesia; Merck, Lithuania; Merck, Peru; Merck, Poland; Merck, Serbia; Merck, Slovakia; Merck KGaA, Latvia; Merck KGaA, Macedonia; Merck KGaA, Romania; Merck KGaA, Vietnam; Merck Santé, Tunisia; Merck Serono, China; Merck Serono, France; Merck Serono, Russian Federation; Serono, Tunisia; Merck Merck Serono Division, Singapore
  • Thyrozol 10mg
    Merck Serono, Germany
  • Thyrozol 20mg
    Merck Serono, Germany
  • Thyrozol 5mg
    Merck Serono, Germany
  • Tiamazol
    Medrock, Peru
  • Tiastat
    Bosnalijek, Serbia
  • Timazol
    Sriprasit Pharma, Thailand
  • Tirodril
    Aldo Union, Spain
  • Tirozol
    Merck, Georgia; Merck Sharp & Dohme, Spain
  • Tizorol
    Sanofi-Aventis, Mexico

Glossary

TermDefinition
BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
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 Drugs.com 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.