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What does it mean when thyroid peroxidase antibodies 50.2 IU/mL? Thyroglobulin antibodies 18.0 IU/mL?

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Dr. Paul Kaplowitz
Pediatrics - Endocrinology

In brief: Not much by itself

Thyroid antibodies are most helpful if you have a low free T4 and a high TSH indicating hypothyroidism which is most often due to autoimmune thyroid inflammation.
If those tests are normal you need no treatment but your high antibodies suggest you have an increased risk of developing hypothyroidism somewhere down the road, but many people with antibodies never develop a thyroid problem.

In brief: Not much by itself

Thyroid antibodies are most helpful if you have a low free T4 and a high TSH indicating hypothyroidism which is most often due to autoimmune thyroid inflammation.
If those tests are normal you need no treatment but your high antibodies suggest you have an increased risk of developing hypothyroidism somewhere down the road, but many people with antibodies never develop a thyroid problem.
Dr. Paul Kaplowitz
Dr. Paul Kaplowitz
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