I think it has something to do with your system and I Concur with the comments that state that FDA would not share any negative information with you personally until they had completed a thorough investigation.
medication has HELPED me and with
everyone's concerns about taking thyroid
medication, getting rid of symptoms and finding proper dosing, this is not the forum to use if you plan to file a useless lawsuit.
My two cents only--no offense meant, just an opinion.