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Thyroglobulin antibodies still high after 5 months
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.

Thyroglobulin antibodies still high after 5 months

by luv2dance, Mar 15, 2007 12:00AM
I have Hashimoto's disease and have been taking Armour thyroid since 11/1. Just shortly before that I had a round of thyroid blood tests done (10/27) because I found myself being quite ill (I had been on Levothyroxine then switched to regular Synthroid  back in July). The results were;

Free T3:     6.20      (2.39-6.79)
Free T4:     3.24      (0.58-1.64)
TSH:         0.03      (0.34-5.60)
Thyroglobulin Antibodies:  773

First started on Armour on 11/1, i immediately was better within 2 days with just about all hypo symptoms gone. Just recently I had another batch of tests done on 3/7:


Free T3:     4.00
Free T4:     1.29
TSH:        <0.01
Thyroglobulin: 0.6  (normal range is 1.7-56.0)
Thyroglobulin Antibodies:   631

My question is should I be concerned about those high antibodies numbers and can it be dangerous? I have slowly been upping my Armour dose since I started taking it with no problems. I otherwise am feeling a heck of a lot better,much more than when I was on the Synthroid.

by Mark Lupo, M.D., Mar 15, 2007 12:00AM
No, the antibody levels usually persist or slightly decrease with treatment.  In the case of armour, there is Tg in the dessicated pig thyroid to which your immune system can react (ie, more Tg-Ab) -- this is no likely clinically significant with the exception of following thyroid cancer patients.
Member Comments (2)

by luv2dance, Mar 16, 2007 12:00AM
Thank you I have peace of mind. No other dr ever took the time to explain that to me!
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