Hello,
I have a full thyroid blood test on Thursday 29th. How long do I need to be off Levothyroxine? My test is at 9am.
Blood tests: Hello, I have a full... - Thyroid UK
Blood tests
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Assuming you usually take it in the morning, take your dose after the blood test... aiming for 24 hours since last dose
Hello, it’s recommended that you leave approximately 24 hours between Levo and testing. Do you normally take yours in the morning?
And obviously withhold biotin for at least 3 days, if you’re taking it/anything with it in.
Yes, in the morning.
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