Should I increase my doses?

My latest thyroid results are:

TSH 0.02 [0.35-4.50]; FT4 12.9 [11.0-26.0]; FT3 4.0 [3.1-6.8]

This is on 75mcg T4 and 25mcg T3 since 25 August.

I feel that the FT3 and FT4 are still too low. I would like FT3 around 5 or more, and FT4 a little higher, maybe around 15? Is that about right - FT3 in the upper third of the range, and FT4 around the third of the range?

Does the team agree? And which hormones should I increase and by how much?

(my previous results on 50mcg levo and 20 T3 were TSH 0.17; FT4 9.6; FT3 3.3.)

1 Reply

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  • FT3 in the upper third of the range, and FT4 around the third of the range is for people on T4 only. When you're taking T3, the body doesn't hang on to so much T4, so it's bound to be low. But it doesn't matter. If you go trying to raise it, you'll just mess things up.

    Your FT3 on the other hand, isn't even mid-range. So, that could really do with an increase. Try half a tablet and see how it goes.

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