Thyroid Cancer / Nodules & Hyperthyroidism Expert Forum
vitamin d
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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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vitamin d
hello when is vitamin d considered critically low?   what would a result of 9.3 cause, symptoms wise?  thanks.
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97953 tn?1440868992
Vit D levels less than 20 are significant.  Would look at your calcium level -- if low or low-normal then this is straight-forward vit D deficiency and would look into malabsorption (like celiac sprue) as cause.  If calcium is high or high-normal, then look at possible parathyroid (primary) problem as a contributor.  Symtpoms can be fatigue, depression, bone/joint pain.
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