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A member asked:

What causes a thyroid level to be low?

A doctor has provided 1 answer

Hashimotos: The most common cause is hashimotos thyroiditis, which is an autoimmune slow destruction of the thyroid. It tends to run in families, but not perfectly. It is easy to fix with thyroid replacement.

Dr Walker agreed

Answered 5/19/2013

5.1k views

Thank

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Diagnosed with hyperthyroidism. Unknown cause. Tsh in range. Normal t3 high ft4. Negative antibodies for graves and Hashi. Thyroid ultrasound normal. Low b12 lower range vit D. Normal prolactin level. Endo believes its pituitary?

A doctor has provided 1 answer

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