Objective:To investigate the clinical efficacy and side effects of escitalopram in treating patients with panic disorder.Methods:Sixty-six patients with panic disorder were randomized divided into two groups.Patients in study group were treated with escitalopram and the control group were treated with paroxetine.All the subjects were rated by Hamilton Rating Scale for Anxiety(HAMA),Hamiton Rating Scale for Depression and Rating Scale for Side Effects(SERS)at the baseline and the end of week one,two,four,six...