I am on Lexapro but I notice that when I take antidepressants that although they work great for depression they make me looked drugged out. For example, my left pupil always dialates large than the right by the end of the day. It doesnt do this if I am not on the med. I am only on a small dose (5mg) which works fine for my dypsthya type depression, but I worry that the pupil thing is a sign that it is messing with my nervous system permanently.