Anxiety, Obsessive-Compulsive, and Stress Disorders
Patients with generalized anxiety disorder experience anxiety related to multiple areas, such as work, finances, and illness. Discrete, unexpected panic attacks and anticipatory anxiety characterize patients with panic disorder. Patients with social anxiety disorder have fear of embarrassment in social situations. Patients with obsessive-compulsive disorder are preoccupied with and distressed by inappropriate thoughts, urges, and images. The four cardinal features of posttraumatic stress disorder are intrusive reexperiencing of the initial trauma, avoidance, persistent negative alterations in cognitions and mood, and alterations in arousal and activity. One element common to patients suffering from most of the anxiety disorders is an elevated sensitivity to threat, which appears to involve brain systems identified to mediate “fear” responses, including the amygdala. The selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are the first-line pharmacotherapy treatment for obsessive-compulsive disorder and most of the anxiety and stress disorders. Cognitive-behavioral therapy for anxiety, obsessive-compulsive, and stress disorders is an empirically validated time-limited treatment.