Check thyroid levels: To tell if your thyroid medications are working, you should see your doctor to a) discuss how you are feeling and b) get your thyroid levels checked through a lab test (typically a TSH test). Obviously the answer will depend on the specifics of your personal situation.
Answered 6/16/2014
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Thyroid : Check thyroid function -- lab tests called t4, freet4, tsh.
Answered 5/19/2013
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