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Hyperthyroidism (cont.)

Radioactive Iodine

  • Effect: damages the thyroid cells that make thyroid hormone. This is the most common permanent treatment of hyperthyroidism in the United States.
  • Indications:
  • Contraindications:
    • During pregnancy, radioactive iodine may destroy fetal thyroid tissue.
    • Breastfeeding women may pass radioactive iodine through breast milk.
    • A six month waiting period before pregnancy is suggested after therapy.
  • Risks:
    • Most patients treated become hypothyroid and require lifelong thyroid hormone replacement therapy
    • Elderly patients and cardiac patients have increased risk of 131I-(radioactive iodine)-induced thyroiditis
Medically Reviewed by a Doctor on 11/10/2014
Medical Author:

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Read What Your Physician is Reading on Medscape

Hyperthyroidism »

Thyrotoxicosis is the hypermetabolic condition associated with elevated levels of free thyroxine (FT4), free triiodothyronine (FT3), or both.

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