Most thyroid nodules are not cancerous. Many thyroid nodules do not need medical treatment. If you have a thyroid nodule that is being watched, schedule regular medical checkups to see whether there are any changes.

If you have had surgery to remove your thyroid gland, it is important to:

• Take your medicine at the same time each day and do not miss a dose.
• Take only your regular dose, even if you miss a dose. Do not "double up" the next day.
• Call your doctor if you have symptoms of hyperthyroidism such as feeling nervous, having a fast heartbeat, sweating more than usual, and losing weight.
• Ask your doctor or pharmacist if your thyroid medicine can be safely mixed with other prescription or nonprescription medicines you take.

If you have had radioactive iodine treatment for thyroid nodules, call your doctor if:

• You have neck pain. This may mean your thyroid gland is swollen.
• You have symptoms of hypothyroidism, such as feeling tired, feeling cold when others do not, and gaining weight.