Few would disagree that psychological problems, especially the more severe ones, have biological, psychological, and social (i.e., biopsychosocial) underpinnings. Even staunch behaviorists and psychoanalysts would agree that stressors interact with diatheses (i.e., genetic predispositions) to produce psychological difficulties. As such, it only makes sense then to address each of the contributors so that treatment for these difficulties is successful. Whereas other chapters in this section focus on psychological therapies (e.g., psychotherapy, cognitive-behavioral therapy, family therapy, and therapy with children), this chapter focuses on the treatment of psychological disorders from a pharmacological perspective (i.e., pharmacotherapy). This focus is not meant to ascribe any more or less importance to the use of drugs or psychotherapeutic interventions in the treatment of difficulties. In contrast, it highlights the ...