Hi I’m a newbie who has had some noticeable symptom's. Weight loss was my main prompt to seek advice from my GP, along with a family history on my maternal side of thyroid problems and my younger sister has a thyroid disorder.m, overactive I think.
I have issues with feeling either very cold and having to wear extra layers Or going to opposite problem of being overly hot and having to peel clothes off. My concentration is shocking and my energy levels have reduced. I’m normally full of beans, doing resistance training 3 or 4 times a week and walking every day. My blood results show
Serum TSH level 0.01 miu/L [0.34 - 5.6]
FREE T3 6.4 pmol/L [3.8 - 6.8]
Serum free T4 level 18.6 pmol/L [7.5 - 21.1]
Has anyone had these experiences or suggest what to expect? My GP has booked further blood tests in 4 weeks.
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CarolineCaroline
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GP is right to repeat test, before assuming your hyper is continuous- the FT4 & FT3 are currently not over range.
The TSH is a pituitary hormone which decreases if the thyroid levels are high, it’s a signal for the thyroid to reduce / stop producing more hormone. The TSH can be slow to respond/ unreliable. Doctors often tend to think they know everything from TSH but FT4 & FT3 are what is important & this is what affects symptoms.
So your Thyroid levels might be / or might have been a little higher than usual for you but in a few weeks it might be different. See if with next blood test if they will add thyroid antibodies. GP can usually arrange TPO ab and labs test TG antibodies if TPO high.
Request this before you attend appointment, as nurse drawing blood won’t be able to add at time.
If your result continue to show high / over range FT4 & FT3 you would need a referral to specialist & they could arrange TSI or TRab which signify Graves.
With autoimmune thyroiditis (Hashimoto’s) the immune system attacks thyroid and the damage causes the hormone to be released, causing a transient rise, but at the damage progresses the function decreases (hypothyroid) This can be a gradual process so your levels might look normal on next test but if levels decide will be low on subsequent tests.
Thank you for the detail, I will ask GP for those additional tests to prompt all other possible diagnosis. It’s possible this was a one off. Although I’m having a range of symptoms that are affecting my normally busy lifestyle.
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