Sometimes doctors treat
thyroid nodules with thyroid-stimulating hormone
suppression therapy (levothyroxine) to stop the body from making
thyroid-stimulating hormone (TSH) and prevent growth in the thyroid gland. Your
doctor may recommend TSH suppression therapy if:
- You are not healthy enough to have surgery and
you have thyroid cancer or a nodule that is suspected to be
- You had surgery to remove part of your thyroid gland
because of multiple thyroid nodules. Sometimes, TSH suppression therapy is used
after surgery to help prevent your nodules from coming back.
- Thyroid-stimulating hormone (TSH) suppression therapy,
such as levothyroxine sodium (for example, Synthroid, Levoxyl, or Levothroid),
liothyronine sodium (for example, Cytomel), liotrix (Thyrolar), or desiccated
thyroid (for example, Armour Thyroid)
What To Think About
It is not clear how well
thyroid-stimulating hormone (TSH) suppression therapy works on noncancerous
thyroid nodules. If you have a noncancerous nodule, talk to your doctor about
whether TSH suppression therapy is right for you.
therapy can increase your risk of heart and bone problems, especially if you
have heart disease or
osteoporosis. If you have heart disease, this kind of
medicine can make chest pain or problems with your heart rhythm worse. It can
also increase your chances of
heart attack. If you have osteoporosis, TSH
suppression therapy can further weaken your bones.
therapy, even in low doses, often causes
hyperthyroidism, especially if you have many thyroid
goiter). Your doctor will regularly check to see how
well your thyroid gland is working and adjust how much medicine you are taking
in order to prevent hyperthyroidism.
If a nodule is noncancerous
but is producing too much thyroid hormone, causing
hyperthyroidism, antithyroid medicines may be used
before radioactive iodine treatment. For more information on treating
hyperthyroidism, see the topic
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