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Thyroid Disorders Community

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question about thyroid tests

by emccarten, Nov 05, 2009 04:23PM

I recently switched from Armour Thyroid to Nature-throid (2 grains daily).  Had blood tests last week as follows:

Free T4    1.4 ng/dl
T3 Total    2.54 ng/ml
T3 Free     7.2  pg/ml
TSH         0.03 uIU/mL

Why do you think my T3 Free is high?

Member Comments (3)

by goolarra, Nov 05, 2009 06:00PM

To: emccarten

Please post the reference ranges for FT3 and FT4.

by emccarten, Nov 05, 2009 07:09PM

Lab range Free T4: 0.9 - 1.5
Free T3: 2.4 - 4.0

by goolarra, Nov 06, 2009 11:32AM

To: emccarten

Both your FT3 and FT4 are high. FT4 is still in range, but barely. I'd say you need to decrease your dose slightly. Are you having hyper symptoms? I think you need to get that FT3 down a bit. How do these labs compare to your last labs when still on Armour?

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