Originally Posted by midwest1
I can't explain your increased symptoms following the FNA. I'm only guessing here - really guessing - but perhaps the intrusion of the needle into what might be a mildly "hot" nodule caused a surge of T4 to enter your bloodstream... ??? Don't take that as being in any way scientific... LOL
I read as well that as a 'complication' of an FNA and also from hemorrhaging cysts. Both said the condition cleared up in three months. Sort of makes sense, in graves disease, attack by the immune system causes the thyroid to produce more hormone.