thanks for asking few questions Any associated weight gain/ hairloss/ tiredness/ constipation? *Any history of recurrent fever / thyroid pain/ eye pain / bulging eye ball/ tiredness? *Periods- is it regular? *How is your quality of life? *Any family history of thyroid disease/ goiter or thyroid malignancy? any history of thigh or arm muscle weakness/ hump/striae? Do you have any breathing difficulty/ swallowing difficulty or any voice change? *Any history of weight loss/palpitations/ tremors/diarrhea? *Any associated weight gain/ hairloss/ tiredness/ constipation? *Any history of recurrent fever / thyroid pain/ eye pain / bulging eye ball/ tiredness? *How is your quality of life? *Any family history of thyroid disease/ goiter or thyroid malignancy? *Are you diabetic/ hypertensive? *Do you have raised cholesterol there are 3 test with thyroid TSH T3 T4 thyroid problems occur with combination of these tests if TSH low T3 and T4 high- it s thyrotoxicosis if TSH high T3 and T4 low-its hypothyroidism if TSH high only - hypothyroidism treatment for hypothyroidism is only required if TSH is more than 10 unless in pregnancy where the TSH should be less than 2.5 if TSH is low only it s subclinical toxicity treatment for thyrotoxicosis with antithyroid drugs is only required when thyrotoxicosis persists for more than 6 weeks with long duration symptoms or unless proven earlier with uptake scan. first of all treatment for hypothyroidism is only required if TSH is more than 10 and you don t just increase dose with symptoms but only with increased TSH values kindly taper the dose to check whether you need the drug in my opinion you had subacute thyroiditis probably viral . it had nothing to do with surgery there are 4 phases in subacute thyroiditis 1. toxic phase like hyperthyroidism 2. normal thyroid status 3. hypothyroidism phase with elevated TSH 4. lastly normal thyroid phase although 90 percent of people becomes normal thyroid status after stage 3 but 10 percent of people stays hypothyroid they require treatment for hypothyroidism.