... because mine hadbeen beng treated for the total opposite.Now they r trying to fix the problem. i am a true believer in the lord and i believe the 25mcg they have me on will work. no side affects at all. in the name of god. i have not have any removal so that may be why i am such a low dose. but all believers and none that want to believe lets all jus pray for eachother and believe in the lord. amen