Low iodine was necessary so the the RAI can be taken up properly for imaging. Going off synthroid basically starves any remaining thyroid cells, again, to help uptakeof RAI. Thyrogen helps with the "hypo" symptoms while you're off synthroid.
Also, could you mentioned which hospital you were receiving thyrogen from. I'm trying desperately to help my wife find Thyrogen so she doesn't have to do total hormone withdrawl.
Someone can..............if this post gets bumped up so they see it again!