Just wondered if anyone could tell me if this seems normal...! I was diagnosed with what I believed to be Hashimoto's hypothyroidism in my late 30s (I come from a family with autoimmune issues on both sides). I was prescribed levothyroxine in gradually increasing doses, until the dose reached 200mg about two years ago. At my July blood test, I was found to have a TSH of 0.01 and a free T4 count of 21, so the doctor reduced to 175mg. Now, after another blood test, I have similar figures, in fact the T4 is now 22, so the doctors will reduce me to 150mg. The way I understood it, the thyroid gland was gradually being eroded, so I would continue to need more levothyroxine, and I don't imagine the gland is growing back! I am now 48 and currently peri-menopausal, so could that explain why I seem to need less of the levo?? Is there any other reason why my dosage would need to go down? Thanks.
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