Cluster B Personality Disorders include a group of individuals that are characterized by dramatic, emotional, or erratic behaviors. They may have unstable lifestyles, poor self-regulation, and seek constant attention. The Cluster B Personality Disorders include Borderline Personality Disorder, Antisocial Personality Disorder, Narcissistic Personality Disorder, and Histrionic Personality Disorder.
Cluster C Personality Disorders are a group of mental health conditions that are characterized by anxiety and fear. Avoidant Personality Disorder, Dependent Personality Disorder, and Obsessive-Compulsive Personality Disorder are included in Cluster C. These individuals are regulated mostly by fear. There are no medications that are helpful to treat Personality Disorders; however, treatment of comorbid conditions may help. Psychotherapy is always indicated. Cognitive Behavioral Therapy as well as Dialectical Behavioral Therapy may be helpful.
Johns Hopkins, Medscape
