your doctor will ask questions about your medical history do a physical exam and order medical tests to diagnose hyperthyroidism. if your doctor thinks you may have hyperthyroidism he or she may order: a thyroid-stimulating hormone (tsh) test which is a blood test that measures your levels of tsh. if your tsh level is low your doctor will want to do more tests. thyroid hormone tests which are blood tests to measure your levels of two types of thyroid hormones called t3 and t4. if your thyroid hormone levels are high you have hyperthyroidism. when you are being treated for hyperthyroidism your doctor will test your tsh and thyroid hormones several times a year to see how well your treatment is working. after you are diagnosed with hyperthyroidism your doctor may also want to do: an antithyroid antibody test to see if you have the kind of antibodies that attack thyroid tissue. this test can help diagnose graves' disease and autoimmune thyroiditis. a radioactive thyroid scan and radioactive iodine uptake tests which use radiation and a special camera to determine the cause of your hyperthyroidism. if you have graves' ophthalmopathy your doctor may also do an ultrasound mri or a ct scan to look more closely at your eyes. early detection it is not clear whether people who do not have any risk factors and who do not have any symptoms of hyperthyroidism need to be tested regularly for thyroid problems. the american thyroid association recommends that adults particularly women be screened for thyroid problems every 5 years beginning at age 35. but the u. s. preventive services task force does not think there is enough evidence to recommend either for or against regular thyroid testing. talk to your doctor about whether you need to be tested for thyroid problems. 1 2 webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what exams and tests help doctors to evaluate or test people for hyperthyroidism?