Euthyrox dosage

[megim71]

Hi, I'm Maggie from Macedonia. I was diagnosed with Hashimoto 20 years ago. Since then, my TSH results have never been good. I take Euthyrox Levothyroxine Sodium tablets of 100 to 150 micrograms, depending on my recent results. I am 160 cm tall and weigh 56 kg. I also take selenium 100 mg / day. All these years my TSH has never been below 4 mIU / ml exept one time in the begining, when it was below 0.01mIU / ml. Should I change my therapy?

[fuchsia-pink]

Welcome to the forum

To answer your question: almost certainly

Once on T4 meds, you should increase dose by 25 mcg a day every 6 - 8 weeks until TSH is less than 2 (probably less than 1) and you feel well. But just testing TSH is not nearly enough - you also need to test your actual thyroid hormones - free T4 and free T3 - to see how they are doing too. [TSH is a message from the pituitary telling your thyroid to work harder if it doesn't function as it should, so a high TSH usually means not enough thyroid hormone is produced; but you need to measure your thyroid hormones too because sometimes your thyroid doesn't receive the message from the pituitary or deal with it properly]. These should both be in the top third of the reference range.

And ideally also test key nutrients - ferritin, folate, vitamin D and B12 - because your meds work best when these are good and because for so many of us, especially with Hashis, they're not.

Good luck x

[megim71 in reply to fuchsia-pink]

My results for free T4 are always in the the reference range. But I was never tested for free T3.

[fuchsia-pink in reply to megim71]

I'd really try and get more testing done, then, if I were you, to include free T3 and the key nutrients I mentioned. And just being in the reference range for free T4 isn't enough - you are likely to need to be in the top third of the range, maybe the top 25%, to feel properly well - languishing in the bottom part of the range is no good at all x

[megim71 in reply to fuchsia-pink]

Thank you for the advice. I will ask for free T3 next time when I do the test, and I will let you know.

Have a nice day