Cluster B personality disorders
Cluster B personality disorders are characterized by dramatic, overly emotional or unpredictable thinking or behavior. They include antisocial personality disorder, borderline personality disorder, histrionic personality disorder and narcissistic personality disorder.
Antisocial personality disorder
Disregard for others' needs or feelings
Persistent lying, stealing, using aliases, conning others
Recurring problems with the law
Repeated violation of the rights of others
Aggressive, often violent behavior
Disregard for the safety of self or others
Impulsive behavior
Consistently irresponsible
Lack of remorse for behavior
Borderline personality disorder
Impulsive and risky behavior, such as having unsafe sex, gambling or binge eating
Unstable or fragile self-image
Unstable and intense relationships
Up and down moods, often as a reaction to interpersonal stress
Suicidal behavior or threats of self-injury
Intense fear of being alone or abandoned
Ongoing feelings of emptiness
Frequent, intense displays of anger
Stress-related paranoia that comes and goes
Histrionic personality disorder
Constantly seeking attention
Excessively emotional, dramatic or sexually provocative to gain attention
Speaks dramatically with strong opinions, but few facts or details to back them up
Easily influenced by others
Shallow, rapidly changing emotions
Excessive concern with physical appearance
Thinks relationships with others are closer than they really are
Narcissistic personality disorder
Belief that you're special and more important than others
Fantasies about power, success and attractiveness
Failure to recognize others' needs and feelings
Exaggeration of achievements or talents
Expectation of constant praise and admiration
Arrogance
Unreasonable expectations of favors and advantages, often taking advantage of others
Envy of others or belief that others envy you