Radioactive Iodine Therapy

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Radioactive iodine therapy is used to destroy thyroid cells.

Radioactive iodine therapy can be used for thyroid cancer to kill cancer cells that remain after surgery has been done to remove the thyroid gland. It may also be used to treat an overactive thyroid gland (hyperthyroidism).

Radioactive iodine is usually given as a liquid or capsule that is swallowed.

Current as of: November 14, 2014

Author: Healthwise Staff

Medical Review: E. Gregory Thompson, MD - Internal Medicine & Matthew I. Kim, MD - Endocrinology