THYROID INHIBITORS

1. INHIBIT HORMONE SYNTHESIS (ANTITHYROID DRUGS)

Propylthiouracil

Methimazole

Carbimazole

 

2. INHIBIT IODIDE TRAPPING (IONIC INHIBITORS)

Thiocyanates (–SCN)

Perchlorates (–ClO₄)

Nitrates (–NO₃)

3. INHIBIT HORMONE RELEASE

Iodine

Iodides of Na and K

Organic iodide

4. DESTROY THYROID TISSUE

Radioactive iodine (¹³¹I, ¹²⁵I, ¹²³I)