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Why do you get with radioactive iodine for hyperthyroidism?

3 doctors weighed in
Dr. Dan Fisher
Internal Medicine
2 doctors agree

In brief: Radiation cures!

A hyperactive thyroid will absorb injected radioactive iodine.
This iodine will kill the overactive thyroid cells and stop excess production of thyroid hormone. After treatment you will likely require some degree of thyroid hormone replacement to compensate for the loss of thyroid tissue.

In brief: Radiation cures!

A hyperactive thyroid will absorb injected radioactive iodine.
This iodine will kill the overactive thyroid cells and stop excess production of thyroid hormone. After treatment you will likely require some degree of thyroid hormone replacement to compensate for the loss of thyroid tissue.
Dr. Dan Fisher
Dr. Dan Fisher
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1 comment
Dr. Brian Wosnitzer
Often medications such as methimazole are used initially and then patients subsequently get radioactive iodine.
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Dr. Adam Smith
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