Chronic interpersonal instability is a hallmark of severe personality disorder. Patients may select bad objects but ...

Avoidant personality disorder (AvPD) isn’t as well-known as narcissistic or borderline personality disorder, but that doesn’t mean it’s uncommon. In fact, some researchers tell us that AvPD was the ...

Petulant borderline personality disorder (BPD) is a potential subtype of BPD. It involves mood changes and irritability. There is debate over subtypes of BPD. Petulant BPD is one of the four subtypes ...

Mental health disorders come in many forms and affect thoughts, emotions and behaviors in complex ways. Conditions like anxiety, depression and bipolar disorder are among the most frequently diagnosed ...