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Medicines
Singapore
Thiamazole

HSA 1997

Thiamazole

THYROZOL TABLET 5 mg

5 mg tablet, film coatedSingaporeAuthorisedAuthorised 22 Dec 1997

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On this page

In other countries
Sources and licences

In other countries

The same active substances on other registers, the same brand first.

THYROZOL 10 mgRomania · 10 mg · compr. film. · Merck Romania SRLSame brand
THYROZOL 10mgRomania · 10mg · compr. film. · Merck KgaaSame brand
THYROZOL 20 mgRomania · 20 mg · compr. film. · Merck Romania SRLSame brand
Thyrozol®Serbia · 20mg · film tableta · Merck D.O.O. BeogradSame brand
Thyrozol®Serbia · 20mg · film tableta · Merck D.O.O. BeogradSame brand
Jamp MethimazoleCanada · 5 MG · Tablet · Jamp Pharma CorporationSame form
Jamp MethimazoleCanada · 10 MG · Tablet · Jamp Pharma CorporationSame form

Two medicines in one question?

Name two or more medicines and Osler runs an interaction check. A severe interaction is stated at the very top of the answer.

Mar-Methimazole

Canada · 10 MG · Tablet · Marcan Pharmaceuticals INC

Same form

🇪🇸Tirodril 10 MG ComprimidosSpain · 10 mg · comprimido · Laboratorio Estedi S.L.Same form

🇪🇸TIRODRIL 5mg COMPRIMIDOSSpain · 5 mg · comprimido · Laboratorio Estedi S.L.Same form

🇭🇷Athyrazol 10 mg tableteCroatia · tableta · Jadran Galenski laboratorij d.d., Svilno 20, Rijeka, HrvatskaSame form

🇮🇹TapazoleItaly · Compressa · Teofarma S.R.L.Same form

🇳🇱Strumazol 10 mg, tablettenNetherlands · Tablet · Aspen Pharma Trading LimitedSame form

🇳🇱Strumazol 10 mg, tablettenNetherlands · Tablet · Euro Registratie Collectief B.V.Same form

🇳🇱Strumazol 30 mg, tablettenNetherlands · Tablet · Aspen Pharma Trading LimitedSame form

🇷🇸Tiastat®Serbia · 20mg · tableta · PredstavniŠTvo Bosnalijek DD, BeogradSame form

🇺🇸MethimazoleUnited States · 10MG, 15MG, 20MG … · tablet · RisingSame form

🇺🇸TapazoleUnited States · 10MG, 10MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, 5MG … · tablet · King PharmsSame form

🇧🇷TapazolBrazil · Biolab Sanus Farmacêutica LtdaSame substance

🇧🇷TapazolBrazil · Eli Lilly do Brasil LtdaSame substance

Sources and licences

Compiled by Prognia from the public register below; the register’s text is the official one.

Health Sciences Authority / data.gov.sg

Contains information from HSA Listing of Registered Therapeutic Products accessed on 8 October 2026 from data.gov.sg, under Singapore Open Data Licence 1.0: https://data.gov.sg/open-data-licence

Licence: Singapore Open Data Licence 1.0 · Added 8 Oct 2026

Report an error or request removalCorrections from the holder or the register are welcome.

Prognia shows this product information for reference and learning. It is not treatment advice and can lag behind the official text. Always check the current product information and local protocols before prescribing.

At a glance

Active substance: Thiamazole
Strength: 5 mg
Dosage form: tablet, film coated
Route: oral
Register: Singapore (HSA)
Status: Authorised
Status in the register: Registered
Authorised: 22 Dec 1997
Registration: SIN09589P
Marketing authorisation holder: Merck Pte. LTD.
Manufacturer: MERCK HEALTHCARE KGAA, GERMANY
ATC code: H03BB02
Group: Systemic hormonal preparations
Supply: Prescription Only