Hi I did have graves desease for about 3years up to 9 months ago, an then had radiodine, an have 6weekly blood test, my t4 is fine, but they can t seem to get my t3 right, there put my medication up to now on 150 mcg of thyroxine, what s going on, can you give me some answers please,,, my GP is sending me back to my speciest, but thought you my have some info?? Kylie