Thyroid Cancer / Nodules & Hyperthyroidism Expert Forum
high tsh, low testosterone
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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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high tsh, low testosterone

Hello Dr.,

I'm a 33 year old male and recently had bloodwork done which showed a TSH of 32 and a testosterone level of 280, with normal range listed as 250-1100. My doctor said a guy my age should have a minimum testosterone level of 400-600. I just started taking 50mcg's per day of Synthroid this week. as a result of this blood work.

My questions are as follows
1. Could the thyroid issue have caused the lower testosterone level?

2. Would you expect as the TSH comes down, the testosterone will come up?

3. What follow up tests should I run?

Thank you in advance for your time.
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97953_tn?1193367871
Would address hypothyroid first and once TSH is in target range (usually 0.5-2.5) then re-evaluate testosterone and make sure the blood is drawn in the 8-9am range for testosterone as this is the timing for the reference range.
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Mark Lupo, M.D.Blank
Thyroid & Endocrine Center of Florida
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