it's anyone's guess why her doctor requested she come into the office. if only a thyroid blood test were done at the laboratory then it seems that the results are likely abnormal. but this is not unusual. the dose of thyroid hormone replacement can vary as we age and she may simply need an adjustment of her dose. her doctor will want to ask her a few questions to make sure that your wife isn't taking other medications that would interfere with the absorption or metabolism of her thyroid pills. medications such as iron in multivitamins or an antacid tablet could alter her blood tests. typically the tests are straightforward but as a physician you want to make sure that there's not something else going on before making an adjustment to a medication she's been taking for some years. to update her thyroid meds.
what would blood work show if already on thyroid medicine for 15 years? . my wife has been on thyroid medicine for 15 years and recently she went for check up and the blood work came back and doctor called and needs to see her what could be some reason's why?