I will be having my first blood test for Free T4 on Monday. Does anybody know what the normal range is? Also, the last time I had blood work done, only had result for TSH which was 0.6 . I have been taking Synthroid 25 mcg for the last 2 months and wondering if my TSH will go up or down. I had a PT on 5/1/08 and taking the meds to keep existing thyroid side from overworking. (this is what my Endo said and why he put me on meds).
Thanks.