What is a common characteristic of Cluster B disorders?

Cluster B personality disorders are characterized by dramatic, emotional, and erratic behavior. Individuals with these disorders often experience intense emotions and exhibit impulsive actions, which can lead to unpredictable relationships and behaviors. The erratic nature of emotions can manifest as mood swings, feelings of anger or anxiety, and conflicts in social interactions.

This erratic emotional response plays a significant role in how Cluster B disorders, such as borderline personality disorder, narcissistic personality disorder, histrionic personality disorder, and antisocial personality disorder, present in affected individuals. Consequently, the presence of impulsivity alongside intense emotions is a defining characteristic of these disorders, setting them apart from other personality disorder clusters.