http://www.medications.com/effect/view/29080 I just started Celexa 2 weeks ago, and so far it is making me very tired. I am taking it for pms symptoms like irritability and anxiety. The first night I took celexa, it made me very sick. I had terrible diarrhea, I was sweating, extremely dizzy, and final Tue, 08 Apr 2008 18:25:36 -0400 http://www.medications.com/effect/view/29080?item=6865 I have been on Celexa and Ativan for 4 weeks plus. I went through a period of sadness and crying but i believe these are normal symptoms. I also am tired and not very motivated but the Dr. says that will also improve as time goes on. It did mess up my me http://www.medications.com/effect/view/29080?item=6865