I have hyperthyroud since last year july,am also a breast cancer patient.my tsh levels remained low and t3 t4 remained mostly in range,but now my tsh level is 9 and t3 t4 are still in range.Now m not sure if to continue the same medication as before.i amtaking neomercazole 10mg daily and ciplar. -105 mg.Is it so,that now i have hypothyroid instead of hyperthyroid.Amcurrently on chemotherapy and linezolid 600mg for infection in my surgery.Kindly guide.