What is the meaning of high tsh but normal t3,t4 and anti tpo...my tsh is 8.3 and I am not on medication from last one year
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TSH becomes elevated even though the T4 and T3 may still be within the "normal" range. This rise in TSH represents the pituitary gland's response to a drop in circulating thyroid hormone; it is usually the first indication of thyroid gland failure...since you are already under treatment nothing to worry... Be in a regular fallow up with your physician they will do the needful.
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