I have been on Cymbalta now for a few years, my insurance company will no longer pay for the prescriptions, so my dr. has put me on Celexa. I have not started it yet, for I fear withdrawals, from the Cymbalta. The dr. tells me there will be no withdrawals, but I believe there will be. If I am just a couple hours late on the Cymbalta it's not a good thing, so I know there will probably be some side effects. Has anyone ever switched these two and how did you do it ?