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Radioactive iodine therapy works by destroying the thyroid gland over 2-3 months to reduce thyroid hormone production. When you take Synthroid after this treatment, it's because your body needs thyroid hormone replacement since the thyroid gland has been effectively disabled.

While the radioactive iodine treatment Show Full Answer

Radioactive iodine therapy works by destroying the thyroid gland over 2-3 months to reduce thyroid hormone production. When you take Synthroid after this treatment, it's because your body needs thyroid hormone replacement since the thyroid gland has been effectively disabled.

While the radioactive iodine treatment addresses the overactive thyroid component of Graves' disease, it's important to understand that Graves' disease and Thyroid Eye Disease (TED) are considered independent conditions, even though they're connected. The severity of Graves' disease doesn't always match the severity of TED. You could have mild symptoms of one condition but more severe symptoms of the other. It's important to continue working with your healthcare providers to monitor both conditions, as TED can develop or progress even after successful treatment of the thyroid condition.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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