My TSh level is 5.03 I wanted to make it to down to around 2. Actually im daily taking 50 mcg thyronorm for a year i only started started taking dose of 75 mcg thyronorm since then im feeling anxious, pains in legs while walking, a kind of shallow breathing, less energetic, inconvenience in the centre part of chest, an uneasiness, plz suggest me what to do...