Posted 7/13/2016 10:04 PM (GMT -6)
Your TSH is indeed indicative of hyperthyroidism, you need to get the antibodies tests, those are antiTPOab and TGab for hashimoto's disease, and TSIab for grave's.
ER is not the right answer for your problem, you need to get your PCP doctor to give you a referral to an Endocrinologist, who in turn treats among other things thyroid disorders.
Regarding the treatment, there is anti thyroid medications like Methimazole, RAI and in some cases surgery might be an option.
Best of luck,