Methimazole vs. Thiamazole — What's the Difference?

A drug, C4H6N2S, that inhibits the synthesis of thyroid hormone and is used to treat hyperthyroidism.

Thiamazole, also known as methimazole, is a medication used to treat hyperthyroidism. This includes Graves disease, toxic multinodular goiter, and thyrotoxic crisis.

(pharmaceutical drug) thiamazole.

(pharmaceutical drug) An imidazole derivative that interferes with the synthesis of thyroid hormone and is given orally in the treatment of hyperthyroidism; 1-methylimidazole-2-thiol, C₃H₂N₂(CH₃)(SH).