I have hypothyroidism and Hashimoto's thyroiditis. My doctor tested my TSH levels and treats me with Levothyroxine. I have extreme fatigue after taking this treatment for a year though my TSH is in a normal range. My doctor told me that freeT4 and reverse T3 are not important parameters to test them. I am afraid of whether I need to consult an endocrinologist or continue taking the same treatment. I had a TSH level of 9.8 mIU/L and it got down to 0.08. Now my TSH is in the range of 3.8 mIU/L. I am taking Levothyroxine 112 mcg daily.