Drug information provided by: Merative, Micromedex®
Methimazole is used to treat hyperthyroidism, a condition where the thyroid gland produces too much thyroid hormone. It is also used before thyroid surgery or radioactive iodine treatment. Methimazole is an antithyroid medicine. It works by making it harder for the body to make thyroid hormone.
This medicine is available only with your doctor's prescription.
This product is available in the following dosage forms:
Portions of this document last updated: Sept. 01, 2023
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
A generous benefactor has pledged $1 million and challenged us to raise an additional $250,000. Help us reach our goal!