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if there is no thyroid or dead thyroid how can there be ft3 and ft4 levels if they are active thyroid hormones and there is no thyroid
if there is no thyroid how can there be ft3 and ft4 levels? my friend has no thyroid so does it still apply that his labs should be ft3 upper level and ft4 med level? thanks in advance for reading my post just confused i guess
Yes - you will still have T3 and T4 hormones in the system - even w/out the gland - but it certainly would not be enough to make you feel well - let alone live at all either.
The ranges stated on FT3 - being in the high portion and the FT4 being mid-lower is where most feel at their best when labs are used.. Symptoms should never be ignored and these signals are your individual ways of telling you something is still off regardless if you are "in the norm" of these reference ranges.
The ranges stated on FT3 - being in the high portion and the FT4 being mid-lower is where most feel at their best when labs are used.. Symptoms should never be ignored and these signals are your individual ways of telling you something is still off regardless if you are "in the norm" of these reference ranges.
With no thyroid the body will convert the replacement medication via the liver and other organs. It is not a great system (as I should know!) and doctors still base the lab tests as if you still have a thyroid.
It really depends on how he feels. If he feels good on the upper levels then he should aim to stay there. Otherwise he may have to change dosages till he finds that level he feels good at. It takes up to 6 weeks though for any dose change to take effect and any symptoms to be noticed.
Cheers
It really depends on how he feels. If he feels good on the upper levels then he should aim to stay there. Otherwise he may have to change dosages till he finds that level he feels good at. It takes up to 6 weeks though for any dose change to take effect and any symptoms to be noticed.
Cheers
i kind of thought that but wasn t sure thanks for the responses so much--
Exactly as Emmy said. If he is on meds, the meds replace what his thyroid would be producing if he had one. If he's on T4-only eds (like levo), then the T4 his thyroid would produce is being replaced by the meds. T4 is then converted to T3 by the liver (and some other organs, but mainly liver). Replacement hormones are designed to keep your FT3 and FT4 at proper levels, just like if your thyroid were working.
If he is taking replacement thyroid medicine he will have FT3 & FT4 in his blood. The medicine is replacing what the thryoid used to produce.
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