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Old 09-09-2008, 11:00 AM   #1
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tridgway HB User
Advice

Ive got a fasting blood test on fri morning to check my thyroid condition and for diabetes. any one know if I should take my thyroxine on the morning of my test? the test is at 8.50am. Advice would be a great help?

 
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Old 09-09-2008, 11:48 AM   #2
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Re: Advice

other people have asked this question. some people say it doesnt matter, others say it does, others say they skip it before labwork just in case.

 
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Old 09-09-2008, 11:59 AM   #3
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Re: Advice

Quote:
Originally Posted by scoot View Post
other people have asked this question. some people say it doesnt matter, others say it does, others say they skip it before labwork just in case.

So does it make any difference if i take it or not? what would you sau would give the most accurate result?

 
Old 09-09-2008, 12:17 PM   #4
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Re: Advice

thyroxine is a T4 med so it "shouldn't" make a difference. t3 meds peak hours after they are taken, but t4 does not. t4 takes weeks to build up, so one day or a few hours does not reflect in the labwork.

i've never skipped my levoxyl before labwork.

 
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