Hello doctor I had checked my thyroid on august 7th it showed 5.63 I was given thyronorm 50 mcg yesterday when I tested again it showed 6.3 what is wrong here sir? First time when I gave blood for test it was in the morning yesterday when I gave it was in the evening does that make any difference? It's urgent please guide me.

Dr. M S SeshadriEndocrinologist47yrs exp

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Dear lybrate-user, your initial tsh was just above normal range and I think your t4 and t3 were normal at the time of diagnosis. This is called subclinical hypothyroidism. This may remain like this for several months to years before progressing to overt hypothyroidism. Treatment is required only when overt hypothyroidism occurs, and at that time t4 or free t4 will be low and tsh usually > 10 uiu/ml. This is the time to start thyroxine. At present I feel you can stop the thyronorm and monitor free t4 ,tsh and tpo antibodies after 6 months and get back to us on an online consultation regards  

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