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Old 01-08-2011, 11:29 AM   #1
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How long does it take Levothyroxine to leave your system?

Hi again,
I wrote a previous post about Levothyroxine but I'm not really getting any answers or insight about my questions concerning recently going OFF 50 mcgs of Levothyroxine.

I've been off it for about a week. I'm just wondering, on average, how long it takes for the hyperthyroid symptoms to completely go away after going off the medication??

 
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Old 01-08-2011, 01:04 PM   #2
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Re: How long does it take Levothyroxine to leave your system?

It may take just a few days maybe up to a couple of weeks for the symptoms to go away.

Last edited by FinnMaid; 01-08-2011 at 03:31 PM.

 
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Old 01-08-2011, 03:23 PM   #3
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Re: How long does it take Levothyroxine to leave your system?

The half life of T4 is 7 days. That is... Half the circulating amount will be gone in 7 days. Half of that will be gone in another 7 days, and so on.

 
Old 01-08-2011, 03:47 PM   #4
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Re: How long does it take Levothyroxine to leave your system?

Quote:
Originally Posted by midwest1 View Post
The half life of T4 is 7 days. That is... Half the circulating amount will be gone in 7 days. Half of that will be gone in another 7 days, and so on.
ok so two weeks for it to be totally gone and then time for my system to adjust?

 
Old 01-09-2011, 02:44 AM   #5
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Re: How long does it take Levothyroxine to leave your system?

Quote:
Originally Posted by spange612 View Post
ok so two weeks for it to be totally gone and then time for my system to adjust?
T4 won't be totally gone after two weeks but your symptoms may be.

 
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