Getting accurate blood results : Can someone... - Thyroid UK

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Getting accurate blood results

laraline profile image
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Can someone please advise me how long you should wait for an accurate blood test of TSH, T3&T4 levels after changing your dose of thyroid medication?

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laraline
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Lalatoot profile image
Lalatoot

6 weeks.

SeasideSusie profile image
SeasideSusieRemembering

I find I need 8 weeks for levels to properly settle, so 6-8 weeks is normally recommended.

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