My 12 year old has lots of underactive thyroid symptoms, including rapid weight gain and tiredness and her blood test results came back as:
T4 - 13.2 (Range 12.6 - 21)
TSH - 2.31 (Range 0.51 - 4.3)
T3 - 5.6 (Range 3.9 - 7.7)
I have underactive thyroid and I was 0.1 below normal when I was diagnosed and I felt absolutely dreadful.
Is it worth asking the GP to prescribe Levothyroxine to trial it and if so, if it makes no difference, can she stop taking it or does it change things so once you start it you can’t stop it?
Also, please can someone give me the website that you enter your test results and ranges and it tells you where about in the range you are.
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Foggy73
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Is this your daughter's first thyroid test? If so then GP is unlikely to agree to a trial, they usually want two "out of range" tests before prescribing.
If she has a test where the FT4 result comes back below range then you have a case for your GP to consider Central Hypothyroidism (CH), this is where the problem lies with the pituitary or the hypothalamus rather than the thyroid. CH is diagnosed when TSH is normal, low or minimally elevated with a low/below range FT4. Not many doctors are aware of CH.
It's also worth getting her thyroid antibodies tested especially as you have Hashimoto's.
This is her 3rd test. I need to get the results printed for them, as I can’t remember them. I know the first one was lower than the second one, but still “in range”. Also I think she had thyroid antibodies tested and it was in normal range. It’s so frustrating because she has so many symptoms and I’m clutching at straws to resolve it.
Have a look at these research based articles showing that thyroid hormone ranges vary according to age and are different for teenagers and children.thyroidpatients.ca/2022/07/...
Thank you very much. I used the result checked and it says that her T4 is 7.1%. I just don’t want to push for Levothyroxine if it will do more harm than good, but I’m desperate to help her.
That seems very low, but I'm not that experienced and certainly not in children. Hopefully one of the experts here can give you good advice. Fingers crossed. God bless
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