The theory of types of borderline personality disorder (BPD) is controversial. There is some debate over whether there are various types and what those types may be. BPD is a mental health condition ...

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 ...