Endocrine pharmacotherapy · USMLE Step 1

A patient with hyperthyroidism is treated with radioactive iodine. Which side effect is most likely?

  1. Hypothyroidism
  2. Hyperparathyroidism
  3. Thyroid storm
  4. Addison disease
Show answer and explanation

Correct answer: Hypothyroidism

Radioactive iodine destroys thyroid tissue, often resulting in permanent hypothyroidism.

Difficulty: Medium Question 17 of 20

Practice all 20 Endocrine pharmacotherapy questions

Keep practicing

More Endocrine pharmacotherapy questions