So... I took Effexor for years and no issues. Then I had to change because after awhile they quit working so um I ended up back on Effexor and started having nightmares and I knew right away that I could no longer take Effexor. If Prozac is causing you nightmares then in my opinion you can't take it and need to switch. See what your Doc says but you need to call the Dr . Been there and done that a few times. I've
Been on meds and fighting depression for 34 glorious, said no one ever.... years. I've had
Some experience. Good luck and maybe you can share what happens. I'm curious to know.
Wendy

Yes...very vivid dreams mostly not so pleasant. Dr changed my meds

I've been on Effexor XR since 1999, they work well for me and when I'm in crisis my psychiatrist ups the dose, which was recently increased to Effexor 300mg, but still feel awful.