Tapazole

Thiamazole

Developed to mitigate excessive thyroid hormone production for clinical stabilization.

Active ingredient
Thiamazole
Supply
Pharmacy
Route
Oral use
Form
Tablet
Strengths
5 · 10mg

Tapazole details

Alternative names
Carbimazole
Therapeutic class
Antithyroid Agent
Pharmacological class
Thionamide
Minor side effects
nausea; rash; arthralgia; headache
Moderate side effects
jaundice; pruritus
Dosage forms
Tablet
Administration route
Oral use
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
Eli Lilly
Onset Time
30–60 minutes
Duration
6–12 hours
Storage instructions
Store at room temperature away from direct medical hazard.
Drug interactions
warfarin; theophylline
Age restrictions
Used with physician supervision in paediatric cases.
Contraindications

hypersensitivity to thionamides; severe hepatic impairment; history of bone marrow disorders

Precautions and warnings

report any signs of infection or sore throat immediately; monitor white blood cell count; use caution in pregnancy

Serious side effects

agranulocytosis, requires immediate medical attention; hepatitis, requires immediate medical attention; vasculitis, requires immediate medical attention

Patient summary

developed to mitigate excessive thyroid hormone production for clinical stabilization.

Mechanism of action

This medication functions by inhibiting the synthesis of thyroid hormones through the blockade of the enzyme thyroid peroxidase. This prevents the iodination of tyrosine residues, effectively reducing the levels of active thyroid hormones in the blood.

Pregnancy and breastfeeding

Pregnancy: Risk associated with first trimester use; doctor consultation essential. Breastfeeding: Use with caution.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Tapazole

Tapazole is a brand name for thiamazole, used to treat hyperthyroidism. The same active ingredient is also sold as Carbimazole, and is available in tablet form in strengths of 5mg and 10mg. Produced by Eli Lilly, this medication is a standard choice for managing thyroid hormone levels for patients internationally.

Buying Tapazole online

Tapazole is one of the most ordered medications for thyroid management across the region. It is registered across 13 markets including Thailand, Malaysia and the Philippines, with availability also in Indonesia, Taiwan and South Korea. This product can be ordered online with delivery across these nations. Generic thiamazole, often manufactured in India, offers an affordable alternative to the original brand, making consistent care accessible for expats and those living far from local sources.