Will having parathyroid surgery affect my thyroid? My thyroid function is normal, but I know someone who became hypothyroid after parathyroid surgery.
There are two issues that can occur with the thyroid: hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid). Both can occur after parathyroid surgery, but are both uncommon.
When we operate on the parathyroids, we are manipulating the thyroid somewhat - we may need to push it over to reach the parathyroids, for example. Most thyroids are fine with that, and most peop...