Review Article

Nonthionamide Drugs for the Treatment of Hyperthyroidism: From Present to Future

Table 1

Nonthionamide antithyroid drug dosage.

Thyroid storm and preoperative preparation for emergent procedure
(1) Iodine-containing compounds (oral route)
  Iodide 200–2000 mg/d[3]
 Iodine-containing compound (in patients with gastrointestinal problem)
  SSKI 0.4 ml via sublingual every 8 h[85]
  SSKI 5–10 drops via rectal every 6–8 h[16]
(2) Glucocorticoids
 (Thyroid storm)Hydrocortisone 300 mg intravenous load then 100 mg every 8 h[1]
Dexamethasone 2 mg intravenously every 6 h[12]
 (Preoperative)Hydrocortisone 100 mg orally or intravenously every 8 h[3]
Dexamethasone 2 mg orally or intravenously every 6 h[3]

Treatment of Graves’ disease
(1) Iodine-containing compound (mild Graves’ disease)
 KI 50 mg/d[17]
(2) Cholestyramine (an adjuvant drug with a thionamide antithyroid drug)
 Cholestyramine 4 g orally every 6–12 h[61, 63]
(3) Lithium carbonate
 Lithium 300 to 450 mg orally every 8 h[4, 23, 31]
  Age over 60 y: lithium 500 to 750 mg/d
  Age over 80 y: lithium should not exceed 450 mg/d

Type 1 amiodarone-induced thyrotoxicosis (as an adjuvant drug)
(1) Potassium perchlorate
 Potassium perchlorate 1 g/d (or lower) divided into 2–4 times/d[32, 47]
(2) Lithium carbonate
 Lithium 300 to 450 mg orally every 8 h[23, 31, 33]
  Age over 60 y: lithium 500 to 750 mg/d
  Age over 80 y: lithium should not exceed 450 mg/d

SSKI: saturated solution of 5% potassium iodide.