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  • FT4 and FT3 - at what level do you feel bad?

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    Old 10-23-2007, 02:56 PM   #1
    m. m.
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    FT4 and FT3 - at what level do you feel bad?

    Just my curiosity - There's a post right now about TSH level and symptoms and many folks are easily able to say "when my TSH was 'x', I felt horrible". It makes me wonder what peoples corresponding Free T levels were. I'm curious if folks can share (if they remember) what their Free T's were when they were diagnosed or if you know your personal minimum threshold before feeling bad. If hypothyroid, were you "below range" or "low normal" range when diagnosed?


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    Old 10-23-2007, 03:18 PM   #2
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    Re: FT4 and FT3 - at what level do you feel bad?

    My TSH was something like 4.94 but my free T4 was I think 1.4, pretty "normal". I had antibodies though and symptoms.
    Now my TSH can be suppressed at .04 and my free levels can also be low. If my free levels drop below mid range I really feel it. I can't go by the TSH at all because for me it's very deceiving, have to watch the free levels.

    Old 10-23-2007, 05:37 PM   #3
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    Re: FT4 and FT3 - at what level do you feel bad?

    Hi m.m., My Tsh was within normal.793, 1.447, 1.516 My FT3 at the bottom to mid....2.5 ((2.3-4.2) and FT4 bottom to below .96, .97, .59 ((.61-1.76)

    Endo started me on Levoxyl and Cytomel with these numbers and symptoms! Thanks to all of you Hoppy

    Old 10-23-2007, 05:48 PM   #4
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    Re: FT4 and FT3 - at what level do you feel bad?

    My TSH 1.67
    FT4 .81
    FT3 3.2

    I feel like crud when my FT3 and FT4 levels drop below 75%. Currently I am below 50% in the range and have so many symptoms it isn't funny.

    If we learn by our mistakes, I am working on one hell of an education.

    Old 10-23-2007, 05:52 PM   #5
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    Re: FT4 and FT3 - at what level do you feel bad?

    TSH 6.89 (0.3-3.0)
    FT4 0.68 (0.6-1.6)
    T3 127 (90-178)

    I've never had my FT3 checked, but I go for blood work tomorrow and it's on the script. I also have antibodies for Hashi's, and my TSH as long ago as 5 years was 7.8, but my doctor then just told me to be retested in 1-2 years. I have multiple symptoms, most likely from all 3 being out of whack. And seeing as how I'm currently a full-time undergrad, it's really making life miserable.

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