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Is TSH Level Of 6.4 MIU/L A Cause For Concern?
Question: A recent blood test shows that my TSH level is 6.4 mIU/L. What could be the cause of this? I hav always had normal levels until this last test. I suffered from fatigue a few months ago, but that seems to be better now. I am over 65.
Brief Answer:
Hashimoto disease should be confirmed;
Detailed Answer:
Hello,
I have gone through your concern.
The most common cause of hypothyroidism (high TSH elevel) is Hashimoto thyroiditis, an autoimmune disease that is confirmed by checking the antibodies (Anti-TPO and antiTG).
To judge rather it needs treatment or not, you need to check the FT4 and Ft3 level.
If they are within the normal ranges, the treatment with levothyroxine should be started if you have symptoms of hypothyroidism ( fatigue, feeling sleepy, dry skin ect).
Otherwise check the TSH once a year, if it reaches levels over 10 mUi/ ml treatment should be started.
Hope the information will help.
Kind regards,
Dr.Mirjeta
Hashimoto disease should be confirmed;
Detailed Answer:
Hello,
I have gone through your concern.
The most common cause of hypothyroidism (high TSH elevel) is Hashimoto thyroiditis, an autoimmune disease that is confirmed by checking the antibodies (Anti-TPO and antiTG).
To judge rather it needs treatment or not, you need to check the FT4 and Ft3 level.
If they are within the normal ranges, the treatment with levothyroxine should be started if you have symptoms of hypothyroidism ( fatigue, feeling sleepy, dry skin ect).
Otherwise check the TSH once a year, if it reaches levels over 10 mUi/ ml treatment should be started.
Hope the information will help.
Kind regards,
Dr.Mirjeta
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Above answer was peer-reviewed by :
Dr. Kampana
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