<unk>  is a thyroid hormone antagonist and anti thyroide drug that is FDA approved for the treatment of Graves' disease with hyperthyroidism or toxic multinodular goiter, and to ameliorate symptoms of [[hyperthyroidism]] in preparation for thyroidectomy. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include nausea, vomiting, epigastric distress, loss of taste, arthralgia, paresthesias, myalgia, headache, drowsiness, pruritus, skin rash and urticaria.
Propylthiouracil
Methimazole
Dimazole
Ditazole
Levothyroxine 
Cadexomer iodine
Nimorazole
Betazole