Thyroid UK
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Levels good before you feel so?

I think I've read a while ago that it takes some time to feel like your thyroid levels. I have Hashimoto's disease.

On 18/09 my blood results were:

TSH 4,5 (range 0,3-4,6)

FT4 23 (range 10-23)

I felt exhausted and my results seemed a bit strange to me with a high TSH AND high FT4.

Now 6 weeks later I got my blood tested again because I swear I've got hypo symptoms:

TSH: 1,6 (range 0,3-4,6)

FT4: 21 (range 10-23)

I didn't change my levo dose, didn't do anything different. With this results I can't change my dose. Is it possible my levels changed the last weeks but it takes some time to feel like that?

In 6 weeks I will get a new blood test and see my endo.

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Flower3,

Hashimoto's is the usual reason for thyroid levels fluctuating when dose hasn't changed.

TSH 1.6 and FT4 21 indicates you are adequately dosed. Symptoms can lag behind good biochemistry by several months.

Read Treatment Options in thyroiduk.org.uk/tuk/about_... Email louise.roberts@thyroiduk.org if you would like a copy of the Pulse article to show your GP.

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