Patient: March 2009, ate a month after the thyroid tablets, it is good no metallurgical, from June began to appear other symptoms, low immunity old colds, just did the test results for: T3: 1.4.T4: 39, TSH is 100 high, want to consult the doctor, this situation, every day to eat 1 medicine is too much, because in March 2009, I ate half of the medicine, but also I would like to ask my doctor if I should take the medication for the rest of my life. Hospital experts: you are likely to be permanent hypothyroidism, in fact, the incidence of hypothyroidism than hyperthyroidism there is nothing to fear, but most of the difficult to self-healing, if the thyroid function can not be restored on their own, only the lifelong use of thyroxine replacement therapy, which is neither troublesome nor difficult, the cost is also very low, and the replacement of the right, can be exactly the same as a normal person. The amount of medication to check the thyroid function are in the normal range, TSH is not high, to find out the pattern, you can adjust the base heart rate (the number of hours of rest after waking up in the morning). When the thyroid function is normal, the basal heart rate is 80 beats/minute, if it is lower than 60 beats/minute, you need to add medicine, and if it is higher than 100 beats/minute, you need to reduce the medicine. Each addition or subtraction is based on half a tablet. Please join my patient group so that I can respond to your inquiry in a timely manner.