Pharmaceutical compositions comprising azelastine or a pharmaceutically acceptable salt of azelastine and alprazolam are disclosed. Methods of using the pharmaceutical compositions for treating patients suffering from one or more psychiatric disorders such as major depressive disorder, generalized anxiety disorder, panic disorder, agitation, social anxiety disorder, mild chronic depression, obsessive-compulsive disorder, premenstrual dysphoric disorder, seasonal affective disorder, dysthymia, childhood enuresis, bipolar disorder, posttraumatic stress disorder, sleep disorder related to anxiety, are also disclosed.