Do I need to be on synthroid 25mg? I had blood work done 3 weeks ago. My TSH was 6.72, T3 was 115,T4 was 8.1, T3 free was 363. I do have a small goiter which I have had since childhood. It has never been a problem and has been checked by a ENT.I am 37y/o female in perimenapause. I feel fine. I just started this medicine 1 week ago. I don't like the idea of being dependant on meds. Any advise would be great. Thank you.