ve had this happen with two antidepressants, Prozac and Zoloft -- no
side effects, no
effects. Not absorption. Got some
side effects and some effects from the four other ones I've taken, proving absorption. And if you do have a thyroid problem, that is very possibly the source of your anxiety problem in the first place -- until that's fixed how can you know it isn't your whole problem? But to know that, you need a proper diagnosis, which you haven't gotten yet.