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A member asked:
What would make t3 (liothyronine) rise from 3.5 to 4.3 in 3 months. tsh and t4 are normal
A doctor has provided 1 answer
T3 (liothyronine) Toxicosis/Lab Err: Why done? Is this free T3 (liothyronine)? Value suggests it, most labs use a diff scale, is this a reputable lab? Consider re-test/test at another lab. With a thyroid nodule/underlying thyroid disease it could be T3 (liothyronine) toxicosis, a form of hyperthyroidism, but TSH should be low. Have you had any imaging studies with dye, can stim nod. Too much info can cause stress, likely nl with lab variation. Need to see labs.
Answered 11/26/2015
1.9k views
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Tsh 0.01, T3 (liothyronine) free 4.3, t4. Free 1.8 ? Tsh low T3 (liothyronine) very slightly elevated T4 high normal, what is this? Tsh usually normal? Could stress do that?
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My TSH is normal but fluctuates between 0.7 - 2.2 within 4-6 weeks but my T4 is always high and my T3 (liothyronine) low and I have 2 nodules. What does this mean?
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