Thyroid UK
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Ann Simpson

I would be grateful to have some advice. I have had blood tests done and have been on 125mcg T4 and 25mcg T3 and am feeling much much better. I have lost half of the increased weight when the T3 was removed last year, but would like to be back to the weight I was before then. I am staying gluten free and feel much better for that and am taking the vitamins and supplements that I was advised to do and that is helping me also.

TSH 0.005 (0.27 - 4.20)

FT4 15.2 (12.00 - 22.00)

Free T3 5.28 (3.10 - 6.80)

thank you in advance

5 Replies
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Ann-Simpson,

TSH is very suppressed, FT4 about where you'd expect someone taking T4+T3 to be, and FT3 is shy of the upper third of range. There is scope for a small dose increase, say an additional 6.25mcg T3 if you feel it would be helpful.

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Thank you for your reply. As the TSH is very suppressed do you think I should drop the T4 to 100mcg which was the dose I was taking until a few months ago. And then increase the T3 as you suggest, although how I split the tablet I am not sure! As T3 is the active hormone, might I expect to feel more benefit from this combination than I am doing at the moment, and also make the T4 less suppressed which would probably be better also. Ann

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Ann-Simpson,

Reducing T4 dose and increasing T3 dose will lower FT4 but it won't raise TSH. If you buy a pillcutter from your pharmacy it isn't difficult to quarter a 25mcg tablet. If you feel well on 100mcg T4 and 25mcg T3 there's no need to add more T3.

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thank you for your reply. The reason I increased the T4 was because I did not feel as well as I should. Perhaps I should have not increased the T4 but left it at 100mcg and increased the T3 as you suggest there is room for doing. Do you think that would be better now and then take the blood tests after a period of time. I do have a craft cutter, so could use that to cut the tablets. Ann

Reply

Ann-Simpson,

Your FT4 is not high in range so there's no need to reduce T4 dose to 100mcg. Just add 6.25mcg T3 to your current doses and see if that improves well being.

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