Tuesday, May 29, 2012

Wednesday, February 17, 2010 aysha asks

Q: Does having exercised before the blood test (for TSH)affects the results?

i had my TSH level checked it was 3.2, the doctor said it was fine but i strugle with my weight and i also have psoriasis( just thought i should add that too).

i exercise abt 30 minutes before my blood test (for TSH), i just wanted to know if exercise has any affect on the TSH levels

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Answers (2)
Phat in My 40's, Health Guide
2/21/10 12:42pm

Hi aysha,

 

I did a search on exercise and TSH levels to try to find an answer to your question.  There have been small studies looking at how thyroid levels changed during and after exercise (any change seen was affected by the type of exercise).  But it appears that levels returned to pre-exercise state around 15 minutes afterwards. 

 

I'm not a medical professional and didn't read too much about it, but perhaps 30 minutes after exercise the TSH levels are back to normal.  Now the number you give 3.2 as a measure is affected by the labs who tested your blood and what their standard for a normal range is.  TSH of 3.2 might certainly be within "normal" or it might be borderline high.  This is where it is important to have a good relationship with your doctor so that you can discuss these types of things.

 

I'm on Synthroid and we try to keep my TSH below 3.0 but it nevers goes below 2.0.  Of course, my situation would be completely unique and different from yours. 

 

I hope this helps even a little.

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2/26/10 10:12pm

You know, doctors just don't get it about the TSH lab test, which they absolutely worship, and wrongly so. It's measuring a pituitary hormone, not your thyroid hormones. And the pituitary hormone called the TSH does not tell you if all your tissues are receiving thyroid hormones released by your thyroid. A TSH if 3.2, and especially in the presence of symptoms like you have, point to hypothyroid and absolutely do NOT mean you are fine.

 

You really need to google and then read the patient-to-patient site called Stop the Thyroid Madness and especially the page on there called tsh-why-its-useless. That website will open your eyes. And you need a much better doctor who will test the free T3 and free T4 and pay attention to your clinical presentation of hypothyroid. Because if you don't find one who will, you're going to only get worse, sadly, which in turn is going to increase your risk for adrenal fatigue, low ferritin, low B12 and more.

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By aysha— Last Modified: 12/24/10, First Published: 02/17/10