My doctor prescribed Celexa for my severe anxiety and depression. I feel like I'm going crazy and the physical symtoms due to the anxiety are really bad! I am currently taking Nortriptyline 50mg and clonazapam 0.5 mg 3 times a day. It seems that for some reason they have quit working or are no longer effective. I want to try the Celexa but I'm afraid to because of side affects and the possibility that it will make my anxiety worse. Can anyone help me?