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Thyroid Cancer, Nodules & Hyperthyroidism (Expert Forum)
Thyroid - Vitamin D
Answered by
Mark Lupo, M.D. - Thyroid Nodules, Thyroid Cancer, hyperthyroidism, hypothyroidism, Thyroid Ultrasound
Thyroid & Endocrine Center of Florida
Sarasota - FL
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.
Thyroid - Vitamin D
by karenscar, Feb 05, 2008 12:16PM
Hi Dr. Lupo. I emailed you a couple of weeks ago about my Vitamin D status. I am hypothyroid and was taking 100 mcg of Synthroid, with a TSH of 2.33. My Vitamin D was tested and was just a 9. Other blood work was normal. I was started on Vitamin D, and after 6 weeks my level is now 55. However, I began to not feel well and felt hypothyroid symptoms. I had my TSH checked, and it is now 4.97. My questions are: 1) I think that I now need an increase in Synthroid, do you agree? 2) Do I now stop the Vitamin D, since my levels are now normal. and 3) Do you have any idea why the Vitamin D would have affected my TSH? Thanks for your consideration.
Doctor's Answer
by Mark Lupo, M.D., Feb 06, 2008 06:18AM
, Feb 06, 2008 06:18AM
We usually continue the vitamin D but at a lower dose -- talk to your doc about options.
The TSH is a little high, suggesting more synthroid is needed.
Did you have celiac sprue antibodies tested? It's a cause of low vit D
Vit D itself is not known to change thyroid levels, but it's a possibility.
The TSH is a little high, suggesting more synthroid is needed.
Did you have celiac sprue antibodies tested? It's a cause of low vit D
Vit D itself is not known to change thyroid levels, but it's a possibility.
