Thyroid Cancer / Nodules & Hyperthyroidism Expert Forum
Slightly low TSH results....What does this mean for the future?
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Questions in the Thyroid forum are answered by Mark Lupo, MD. Topics covered include Goiter, Graves Disease, Hyperthyroid, Parathyroid/Calcium Problems, Thyroid Cancer, Thyroid Nodules/Cysts, Thyroiditis, Thyroid & Pregnancy, Thyroid Stimulating Hormone (TSH), Thyroid Tests, and Thyroid Surgery.

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Slightly low TSH results....What does this mean for the future?

I recently took a slew of blood tests.  One of which was a TSH for the thyroid.  My doctor contacted me via mail with results stating the thyroid test results were slightly low.  Actual numbers are:  0.075uIU/mL.  My doctor wants me to re-test in 4 wks.
I originally went in to see him for swollen glands in my neck which I have had for more than 8 months.  After losing my mother to cancer, under very similar conditions, just two years ago, I felt like I owed it to myself to be checked out also.  I have pretty much, all of the symptoms of a thyroid disorder to one extreme or another.

My doctor also prescribed Keflex (in case I had an infection).  I have completed all doses of Keflex and no change so far.  My white cell count results did not indicate any infection, nor do I have mono.

What could all of this possibly mean?
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The low TSH may mean an overactive thyroid - repeating it in 4 weeks is important to determine a trend. If overactive (ie persistent TSH <0.1) then I would consider treatment esp if you are above age 65 (which your username suggests....).  Prior to treatment would do an ultrasound and I-123 scan of the thyroid to make sure there is no suspicious nodule and to determine the source of over-activity.  I am not sure about the swollen glands -- it may be thyroid or other parts of the neck (ie lymph nodes or salivary glands) -- also some upper respiratory infections may aggravate the thyroid and cause a temporary overactivity -- another reason to determine the trend before committing to treatment.
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A related discussion, Does this sound like cancer was started.
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Mark Lupo, M.D.Blank
Thyroid & Endocrine Center of Florida
Sarasota, FL
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