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MZZCHIEF's Photo MZZCHIEF Posts: 9,058
7/16/12 4:28 P

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Frankly... I think the bottom line on this is that your thyroid numbers and TSH are just one tool to assess your condition.

All that can be said about them, is that they're are a snapshot of what's in your blood at the time of the draw.

Thyroid numbers and TSH are dynamic... they change over the course of the day, based on circadian rhythms, when you take your medication, what you've had to eat, when you ate it, other medications, the health of your liver and kidneys, stress, your menstrual cycle, sickness, antibiotic use... the list goes on and on.

So please don't get too hooked on numbers.
How you feel is more representative of how your thyroid is doing.
And not everything is thyroid.

: )
Mzzchief



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PURRBALLS's Photo PURRBALLS Posts: 7,953
7/15/12 11:16 P

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Fasting is not necessary but having blood drawn before taking meds IS recommended by almost all docs who know a hoot about thyroid. It's just a more true number. Doing it this way mine will be within 100's of each other. Doing it by taking meds-- I'm all over the place.

Made sense after I got on the armour bandwagon.

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MZZCHIEF's Photo MZZCHIEF Posts: 9,058
7/3/12 11:10 P

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IMO you should take your blood in a non-fasting state to get a true reading, because fasting is not what you usually do. You want your numbers to reflect your routine... what your blood looks like normally, instead of what it looks like under the artificially created fasting conditions.

I also think it unwise to skip your medication the day of the test, for the same reason.

When you get your results back, on the test write your weight, any symptoms you've been having, when your blood was drawn and when you took your meds. If you've been ill. Also any other medications you've been taking, including antibiotics.

Try to get tested under the same circumstances as much as possible, to reduce variables that can influence your numbers.

This way you can put your numbers in context.

The numbers on your blood work are dynamic, and for general reference only.
Putting too much emphasis on them is unwise... how you feel is waaay more important.

Just my opinion.
: )
Mzzchief


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SHONADOG's Photo SHONADOG Posts: 1,864
7/3/12 9:46 P

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My Endo says to have test done 4 hours after taking meds.

Mary

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BELLA9999's Photo BELLA9999 SparkPoints: (2,225)
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7/3/12 9:44 P

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Thanks for the article. I've noticed my TSH numbers are higher when I fast. I'll be sure to do all the upcoming tests fasting as well.

“It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; . . . who at best knows in the end the triumph of high achievement, and who at worst, if he fails, at least fails while daring greatly.” —Theodore Roosevelt


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HIPPIEGURL's Photo HIPPIEGURL Posts: 4,934
7/3/12 8:44 P

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I ran across this article on About.com and boy, was it an eye-opener! I was doing things all wrong before getting my blood work done, according to this article. I will be copying this information for my doctor so she can pass it along to her other patients.

thyroid.about.com/od/gettestedanddia
gn
osed/a/tshtests.htm?nl=1


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