How can the radioisotope iodine be used to identify and treat an overactive thyroid gland?

Uses thyroidfunction. The thyroid uses iodine to make thyroid hormone. Most of the iodine you get in food gets concentrated in the thyroid. It can't tell the difference between regular iodine and radioactive iodine. In diagnosis, the patient swallows a capsule of a weak radioisotope and then the amount the thyroid absorbs is measured. For treatment, a stronger isotope is used, and over time it destroys thyroid cells.

Related Questions

What kind of herbal or vegetables o lower the iodine produced by the overactive thyroid gland?

None. If you have an overactive thyroid, your thyroid gland is taking iodine from the blood stream and using it to make thyroid hormone. The thyroid is not producing iodine. Taking more iodine can make this worse. There are no herbal supplements known to decrease overproduction of thyroid hormone in this case, just medications. Read more...

Describe symptoms of an overactive thyroid gland?

A complex of symp. Irritability, emotional lability, anxiety, easy fatigability, excessive sweating, excess heart rate, heat intolerance, excess appetitite, weight loss, hyperdefecation, prominent eyeballs insome people , prominent thyroid in front of neck in some people which may be uniform and non uniform , tremors of hands, menstual irregularities-scanty or absent periods, gynaecomastiaand ed in men, increased urination. Read more...

Could an overactive thyroid gland stunt growth, cause excessive saliva production or cause depression?

Not really. Decreased saliva production sometimes accompanies thyroid disease. Hyperthyoidism, or overactive thyroid, brings a different set of mouth and dental risks like: increased cavity development, enlarged extraglandular thyroid tissue at the back of the tongue and in the throat, rapid tooth growth in children and osteoporosis in the jaw are all risk factors. I hope this helps. Read more...