Hello if it was graves disease confirmed at diagnosis, type of hyperthyroidism u need to take treatment for at least 12 to 18 months for immunomodulatory effect of NMZ... Dose of NMZ need to be tapered slowly as per T3 and T4 and
tsh not be monitored because it will take long time to get normalised... So plz consult endocrinologist for proper dose adjustment... U can do online...!!
Next Steps
Consult Endocrinologist..!!