How does Radioactive Iodine Treatment Work?
The thyroid actively accumulates iodine, which it uses to produce thyroid hormones required for normal body function. This RAI is like the iodine found in foods such as fish, seaweed, and iodized salt, except that it releases an electron, or beta particle, which creates its therapeutic action. How is Radioactive Iodine given? RAI is given dissolved in water or as a capsule. It is quickly absorbed by the stomach and intestines, then it is carried in the bloodstream to the thyroid, where it is taken up by the gland. Once in the thyroid gland, the RAI disrupts the function of some of the thyroid cells. The more radioactive iodine that’s given, the more cells cease to function. Side Effects There are few side effects from Radioactive Iodine,. A sore throat may occur a few days after the treatment, and this can be treated with acetaminophen. Sometimes, the salivary glands may swell, which is caused by the iodine and not the radioactivity. Some doctors believe that sucking on hard candies fo