Those antibodies say Hashi's, not Grave's. That's why you're becoming hypo. You could, possibly, have Graves, too - but probably not. You are very shortly going to need thyroid hormone replacement.
You are becoming hypothyroid. Some people will develop hypothyroidism after a period of hyperthyroidism. TSH 4.56 means your thyroid is failing. NHS won't usually diagnose hypothyroidism until TSH is >5.5 or FT4 is <11.5. Make sure you have a follow up thyroid test in 6 months. Arrange the blood draw early in the morning when TSH is highest, and fast (water only) as TSH drops after eating and drinking.
I'm confused, I thought they told you that you had Graves disease but these antibodies could be Hashimotos. Did they do antibodies tests specific to Graves disease too? Clutter knows more than me. I looked back at your last posts but can't see the Graves antibodies, perhaps I missed them?
That's too bad your consultant wasn't interested in the antibodies because my understand is that it's really important for the correct diagnosis. Ask Clutter or someone more experienced about antibodies for Graves v. Hashimotos.
Could you get a copy of all your blood test results from when you were first diagnosed? I think it's important that you know what your antibodies status is for Graves.
Thank you for your replies back in 2011 didn't have a clue about any of this. But have a better understanding with help from this site. Will try and get
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