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Help please.
I have normal level of TSH and T3 but little high level of T4 (12.4ūg)dl). What does it signify? Should I worry?
Answers (4)
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If total T4 is high, and TSH is not going low- the most common reason is that thyroid binding globulin is high. That happens usually due to certain medicines like oral contraceptives or pregnancy is a common condition.
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Check free T4
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Dr. Subhankar Datta
Diabetologist
13 yrs exp
Howrah
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Dr. Suja P Sukumar
Endocrinologist
10 yrs exp
Ernakulam
If you are on thyroid medications, it can lead to high normal T4. Certain other medications like estrogen, biotin etc can also raise T4. Nothing to worry, but if you want more clarification you can do a Free T 4 assay
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Dr. Suhas Khaire
Endocrinologist
15 yrs exp
Pune
Hello.. If u already on any thyroid supplement such mild high T4 is very normal when u test after taking tablet.. If u are not previously on any thyroid supplements this can still normal as total T4 levels depends on TBG levels, and active hormone is Free T4.... So no need to worry.. If u are more concerned u can get checked Free T4 levels....!!!!
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No need to worry!!
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.