My Daughter Is 12 Yrs Old.on 17/11/2016 She Was Detected

My daughter is 12 yrs old.on 17/11/2016 she was detected with hypothyroidism where her tsh level was 60 and t3-1.28 while t4 -46.62nmol/ l.she was put on 100mcg thyronorm for 1 month and then the dose was reduced to 75mcg.now her tsh-0.19,t3-1.48mg/mL,t4-9.90ug/dL.she has been taking 75mcg since 20days.should the thyronorm dose be reduced.she seems a little restless.