Try to take citalopram at the same time each day. It may take up to four weeks after starting this treatment before you feel the full benefit. Do not stop taking it, feeling it is not helping. I just started taking celexa two days ago and have been feeling worse than ever. Yesterday I had some sort of sudden severe episode where my whole inside felt hot and it moved it's way up to the bottom of my mouth (can't really describe the feeling in my mouth-kind of fuzzy, slighlty tingly). Celexa (citalopram) is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs). Includes Celexa side effects, interactions and indications. Citalopram is the generic form of the brand-name antidepressant Celexa, which is used to treat depression. In addition to depression, citalopram is also used for treating: Human Resources for the University of Oklahoma. Serving Faculty and Staff in Norman, Oklahoma City, and Tulsa campuses. Celexa (citalopram hydrobromide) is a type of antidepressant called a selective serotonin reuptake inhibitor indicated for the treatment of depression. This is my 3rd day on Celexa and I have felt high as a kite since I started taking it. I'm hoping that after my body gets used to the medicine I won't feel so spacey. Hyper symptoms can include anxiety, panicky feelings, palps, higher heartrate, shakiness, feeling wired and more listed below. You might even be told you’re having a thyroid storm. You might even be told you’re having a thyroid storm. I have been taking celexa for a week now and I have noticed that I am very hyper in the morning and through out the day. My doctor told me to take the medication at night. I also take 10 mgs at night of Citalopram and the Benzo seems to work off the Celexa. My Dr. has just put me on 15 mgs of Buspirone(buspar),split 1x with Breakfast & 1 x with Dinner.I`m just finishing week one of the Buspar.Only side effects i have is excitable anxiety really.