Radioactive Iodine
Answers to common questions about radioactive iodine.
Questions on this page
What is radioactive iodine treatment?
Radioactive iodine is a treatment that destroys overactive thyroid tissue.
It is commonly used for certain types of hyperthyroidism.
Is radioactive iodine safe?
It is an established treatment for appropriate patients, but it is not suitable for everyone.
Will I become hypothyroid after radioactive iodine?
Many people eventually develop hypothyroidism and need thyroid hormone replacement.
Can radioactive iodine be given during pregnancy?
No. Radioactive iodine is not used during pregnancy.