antithyroid

adj

1. (not-comparable)Reducing the production or effects of thyroid hormones.

   “A RECENT report by Anderson et al. on the antithyroid activity of a series of alkyl derivatives of thiouracil shows that peak activity is reached at the n-propyl compound.”

   “Postmortem histological examination of the thyroid gland and measurement of serum antithyroid antibodies were performed in 70 patients without overt thyroid disease.”

   “Antithyroid drugs, which have been in use for more than half a century, remain cornerstones in the management of hyperthyroidism, especially for patients with Graves' disease.”

   “2005, The American Thyroid Association, "Hyperthyroidism", Drugs known as antithyroid agents—methimazole (Tapazole®) or propylthiouracil (PTU)—may be prescribed if your doctor chooses to treat the hyperthyroidism by blocking the thyroid gland’s ability to make new thyroid hormone.”