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)