What is hyperthyroidism?
Hyperthyroidism means your
Having too much thyroid hormone can make a lot of things in your body speed up. You may lose weight quickly, have a fast heartbeat, sweat a lot, or feel nervous and moody. Or you may have no symptoms at all. While your doctor is doing a test for another reason, he or she may discover that you have hyperthyroidism.
Hyperthyroidism is easily treated. With treatment, you can lead a healthy life. Without treatment, hyperthyroidism can lead to serious heart problems, bone problems, and a dangerous condition called thyroid storm.
What causes hyperthyroidism?
Sometimes hyperthyroidism is caused by a swollen thyroid or small growths in the thyroid called
This topic focuses on hyperthyroidism caused by Graves' disease.
What are the symptoms?
You may have no symptoms at all. Or:
If you have any of these symptoms, call your doctor. Without treatment, hyperthyroidism can lead to heart problems, bone problems, and a dangerous condition called thyroid storm.
How is hyperthyroidism diagnosed?
Your doctor will ask you about your symptoms and do a physical exam. Then he or she will order blood tests to see how much thyroid hormone your body is making.
Sometimes hyperthyroidism is found while you are having a test for another reason. You may be surprised to find out that you have this problem.
How is it treated?
If your symptoms bother you, your doctor may give you pills called
Radioactive iodine and antithyroid medicine are the treatments doctors use most often. The best treatment for you will depend on a number of things, including your age. Some people need more than one kind of treatment.
After treatment, you will need regular blood tests. These tests check to see if your hyperthyroidism has come back. They also check to see if you are making enough thyroid hormone. Sometimes treatment cures hyperthyroidism but causes the opposite problem—too little thyroid hormone. If this happens, you may need to take thyroid hormone pills for the rest of your life.
Frequently Asked Questions
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