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Thyroid UK
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More help for meds

Wonder if there is more help re dose of levo and T 3. I am taking 75 mg levo. And. 12.5 T3

Am I right in thinking I can increase both ?

Bloods 3 days ago

TSH. 0.02. (0.27. - 4.2)

FT4. 13.8. (12.0 - 22.0)

FT3. 4.6. (3.1. - 6.8)

My GP said he would do these blood tests but of course 'normal' is the verdict.

II added T 3 6 weeks ago. But the T 4 reading has gone down in the range since then.

Is that what happens when T3 is added, or should I increase both? Have become more and more tired of late.

Thank you

5 Replies

Yes, Gcart , FT4 will reduce when you add T3, as will TSH.

There is scope to increase your T3, as advised in your previous post a few days ago, just keep an eye on your FT3 as it needs to be kept in range.

Personally I don't think you need to increase your Levo as your original FT4 result on 75mcg was 22.4. (12.0. 22.0), it just that the T4 wasn't converting to T3 well enough.

Just increase the T3 a little for now, slowly and gradually is the way to go with T3, see how it goes and how you feel.

1 like

Oh thank you Seaside Susie. I now understand a bit better . I will try that slow increase of T3


Your TSH is a bit low as well, but I have read that running it low is ok you might have to consider reducing the T4 in the future T3 is 4 times more effective than T4.


I agree with Susie and give any increase of T3 to work for a week or so to feel the result. You may even end up being one of those who do better with T3 only. When T4, thyroxine, doesn't convert to FT3, it will become REVERSE T3.


Thanks for all your input. Just wondered what I need to look out for if REVERSE 3 causes a problem.?

I have been taking 12.5 T3 when I go to bed. Seem to be getting some sleep, thank god. I took 6.5 early pm so will see if I pick up with that addition

Thanks again


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