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High tsh after pa cancer

I shall try to be brief. I have a hystory of Pa cancer, in 2008, and then again in 2009. In 2008 I had surgery to remove thyroid, neck disection and then RAI. In 2009, removal of more lymph nodes. Since then my levels have been controlled with adjusting meds when needed.
Now the problem...on 7/17 of this year my TSH was 0.5: on 9/27 it went to 5.9 and recently on 11/9 it was 12.6.
Of course all the symptoms that go along with it of constipation, cold hands feet, Extreme weight gain, etc.
My T3/T4 are normal.
What are your thoughts about this. My primary care is the Dr. who took the labs and I am waiting for someone to let me know what to do. I am at a loss what to do next. Thank you kindly.
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Avatar universal
So you have been tested for FT3 and at last report it was probably about in the middle of the range, which is okay.  What you need at this point is to be tested for free T3, and while you're at it, you might as well request testing for reverse T3 (rT3) also, just to be sure it is okay.  If your doctor resists testing you for these, then just insist on it and don't take no for an answer.  Remember that you are the customer that is sick and you want to get relief from your hypo symptoms.   I would even go to the extent of double checking in the lab to make sure they know that you are being tested for free T3 and reverse T3.  You'd be amazed at how often they do these things on "automatic pilot" and request the wrong tests and you have to go back and go through it all over again.  
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Avatar universal
I am not certain how to follow up with this request. Please forgive me-I do hope this is the method... Here is the information that I have available.
My Free T4 on 7/16 was 1.6 and on 11/9 it was 1.0. Is that what you needed? I do not have any results that I can find for T3 at the moment that I can find in 'my chart' from Cleveland clinic. I do appreciate your help. I feel that I am fading quickly and am feeling poorly.
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Avatar universal
Just because the T3/T4 test results were "normal" doesn't mean that they are adequate for you.  The ranges are far too broad for that.  Many of our members report having hypo symptoms while their thyroid hormones are low in the ranges.  

From your post I could not tell whether the tests were for total T3/T4 or free T3/T4.  It will be helpful if you will post the actual results and reference ranges.  The tests for totals are somewhat obsolete and don't reveal what you really want to know, which is the levels of the biologically active thyroid hormones, free T3 and free T4.  FT3 is the most important because it largely regulates metabolism and many other body functions.  Studies have shown that FT3 correlates best with hypo symptoms, while FT4 and TSH did not correlate.  If you haven't been tested for free T3 and free T4, then you should request those tests and if the doctor resists, then just insist on it and don't take no for an answer.  Remember that you are the customer.  

When FT3 and FT4 test results are available, I suggest you get a copy of the lab report and post results and reference ranges and members will be glad to help interpret and advise further.  

If you want to do some reading about all this, here is the link to a good article written by a doctor.

http://www.hormonerestoration.com/Thyroid.html
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