How long does Synthroid stay in body?

Can anyone tell me how long Synthroid stays in your body if you were to only take it one day and then take it again a week later? One of my doctors (not the Endo) said it was out of your body in 24 hours, but I disagree, as I think it stays in your system longer than that. Thanks, Terri

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T-4 (synthroid) has a half-life of 6-7 days. This means that 6-7 days after taking a pill, you have half of the strength left in your system.

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Thanks for your information---I had a feeling my doctor was wrong on this. Good thing she is not an Endo Doc!!

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