Is is possible to have withdrawal symptoms ( dizziness mostly) after only 20 days of Celexa usage? I was put on this med for anxiety. I initially took 10mg for 10 days, then 20mg for 10 days. Then, because I didn't like the side effects (jitteriness, dizziness, and low blood pressure), dropped back to 10mg for 2 days, then 5mg for 2 days. Today, I took 2.5mg for the second day. Tomorrow, I plan to take NONE.