I have taken my first 20mg fluoxetine today and feel really anxious (although I have been feeling very anxious anyway) I think I am to scared to carry on taking it. I have been reading lots of threads about side effects and it sounds like hell and now I am terrified. Does anyone have any good stories about it?? I have a phobia of sick and am really worried that it will make me feel awful. I know only I can make the decision about what to do but I really need some advice. I used to take citalopram and didn't have any side effects with that, but after 5 years I felt like it wasn't working anymore.