Hi Welcome to HCM Read your prob, hahshimoto thyroiditis is autoimmune diease n it develop hypothyrodism with bout of hyperthyroidism. throxin tab is only choice of treatment. its dose depends on tsh leval n it needs dose adjustment at every month by getting tsh. so why are you taking steroid, steroids increse your blood sugur leval , reduse your immune power, it is also cause of fluid redistribution in our body lead to swelling , weight gain n has many side effect. depression , psycosis is complication of hashimoto thyroiditis. discuss it with your doc n take thyroxin tab ony.