The document discusses histrionic personality disorder. It defines histrionic PD according to the DSM-IV-TR as a pervasive pattern of excessive emotionality and attention seeking. Common characteristics include inappropriate seductiveness, need for approval, rapidly changing emotions, and exaggerated expressions of emotions. The causes may include dysfunctional family relationships, trauma, or biological factors. Treatment typically involves long-term psychotherapy to help patients develop healthier relationships and self-identity.