If my T4 is in normal range and my TSH suppressed but I don't feel any better than before taking Levothyroxine (100mg) for 3 months

Could it be a conversion problem? To get full blood count done again and dr has said he will request T3 be checked although he doesn't think there will be a conversion problem. He thinks it could take 6 months to a year for me to feel better due to being ill for past year. I'm not sure i agree.

6 Replies

  • A typical "normal range" might be 10 to 22. Simply being within it is not sufficient to know whether you have sufficient. After all, 22 is more than twice as much as 10!

    Do you know the actual number and the reference range from your lab?


  • I don't know what they are - he just said the results were normal and the TSH suppressed. I'll make sure I get the actual results when I get the new tests done ??

  • Don't worry - this is what happens to almost everyone!

    You are entitled to have access:


    Do post back when you have them.


  • Thanks Rod - will do ??

  • Get a copy each time you have a blood test for your own records. If you haven't already had a Vitamin B12, Vitamin D, iron, ferritin and folate ask for them too. The first two can be deficient in hypo.

    As Rod says get the ranges as well as labs differ throughout the country

  • Thank you Shaws - I'm back at docs on thurs for blood tests so I'll get a copy of last ones then. Don't think I got the vits etc tested either so I'll speak to him about that as well ??

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