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Thyroid UK
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High levels of thyroid immunioglobulin

I was diagnosed with hyperthroidism and my thyroid was treated with radioactive medication. I developed extremely high (700+) levels of thyroid immunioglobulin. I was treated with iv immune boosting medication with no success. I have been taking thyroid replacement and all levels are in normal range with the exception of the immunioglobulin. No one has an idea what to do for it. Does anyone have experience with this or comments. Thanks.

2 Replies


If you mean thyroid stimulating immunoglobulin (TSI) it means you have Graves disease which is an autoimmune thyroid disease causing hyperthyroidism. Graves doesn't disappear when you have thyroidectomy or RAI. The IV immune boosting medication was probably to reduce the likelihood of thyroid eye disease being caused by RAI.


I'm not sure there is anything to be done about high TSI. 100% gluten-free diet is recommended for Hashimoto's auto immune thyroiditis but I'm not sure how effective it is for reducing TSI antibodies.



Amy Myers had Graves' disease

I believe she advocates gluten free



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