Celexa Side Effects: No horror stories to report. Was on Lexapro 20mg for several yea http://www.medications.com/effect/view/38618 No horror stories to report. Was on Lexapro 20mg for several years. Am switching to the generic Celexa soon because that is what insurance will pay. I have had weight gain problems with Lexapro, hope that subsides with the Celexa. At times I did notice I can't wait to hear how you're doing with the generic Celexa, be Wed, 18 Feb 2009 20:27:03 -0500 http://www.medications.com/effect/view/38618?item=17191 I can't wait to hear how you're doing with the generic Celexa, because I just started it today. I have noticed a couple side effects: fatigue, shaky hands and sort of "in a fog" but I feel much more relaxed than I did yesterday!! I'm praying to God that http://www.medications.com/effect/view/38618?item=17191