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Hi, I was diagnosed with Hyperthyroidism 3 months ago, my first blood works shows extremely high T3 of 21.8 pg/mL (2.0 to 4.4 normal) and T4 7.75 ng/dL (0.82 to 1.77 normal), and TSH level is 0.006 uIU/mL which is super low. Normal values for TSH is (0.450 to 4.500). My Endo prescribed PTU 50mg qid, after 2 months of taking PTU my T4 and T3 became normal, I started gaining weight.. 15lbs in 2 months. However my TSH level remain very low @ 0.007. It should begin to elevate because my T4 and T3 are within normal levels now. Are there any Dr's out there would like to explain why my TSH still low? Does it take time before my TSH will get to normal? Should I decrease my PTU intake to 1 tablet bid? Thanks for your help guys.
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