Well, numbness isn't something I experienced, but the swelling was. I would suggest that you CALL the doctor's office and explain that you think you need a blood test to see where your levels are. Some of us do start going hypo 8 weeks after RAI, and the sooner you get that stopped, the better.
We do not need to go terribly hypo before our doctor's will intervene, so don't panic. The replacement hormone, once it is prescribed, starts to work immediately.
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