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TSH levels thrown off by iodine?

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Old 06-09-2005, 12:05 PM   #1
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Join Date: Dec 2003
Location: MA
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Dcdreamer40 HB User
TSH levels thrown off by iodine?

I just got my TSH results back from the dr and it was .57 which I know is still within the normal range. However I had the TSH a year ago and it was .9 and then in Jan. it was .8. I am wondering since I had to have a CT Angiogram 4 weeks ago with an Iodine contrast, would the iodine lower or raise one's TSH level?

I forgot to tell the dr about the CT scan and saw on a website that the iodine can affect the TSH level 4-6 weeks after the test.
Any input on this would be really appreciated.

I ask because I have shown some symptoms for hyperthyroidism but my levels look normal.

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Old 06-09-2005, 12:35 PM   #2
Join Date: Apr 2005
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je46324 HB User
Re: TSH levels thrown off by iodine?

yes they can, iodine in just the right amounts can cause you to go hyper, also iodine in the right amounts, usually a lot, can cause you to go hypo.


Old 06-09-2005, 07:31 PM   #3
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Join Date: Feb 2001
Location: Georgia, USA
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K9Mom HB User
Re: TSH levels thrown off by iodine?

Thyroid hormone is made from iodine yes iodine can affect a person's levels.
Dx Graves 4/99, tx w/Tapazole & Atenolol - Remission 7/03; Relapse 1/06, back on Tapazole, remission & off meds again 11/06.

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