Radioactive iodine (I-131)

Radioactive iodine (I-131) is a form of the element iodine that emits radiation. It is commonly used in medical treatments, particularly for thyroid conditions, such as hyperthyroidism and certain types of thyroid cancer. When taken into the body, I-131 is absorbed by the thyroid gland, where its radiation helps destroy overactive or cancerous cells. This targeted approach minimizes damage to surrounding tissues. I-131 is typically administered as a pill or liquid, and its effects can be monitored through follow-up evaluations, making it a vital tool in modern medicine for managing thyroid-related diseases.