Borderline Personality Disorder (BPD)

WebMd explains borderline personality disorder ( BPD ), its types , signs, causes , diagnosis and treatment options. Learn how to manage BPD symptoms .

A borderline personality disorder is a mental health disorder characterized by constant instability in moods, behavior, self-image, and functioning. Individuals with BPD often experience intense episodes of anger, depression, and anxiety that can last from a few hours to days. BPD is classified as "Cluster B personality disorder " which includes disorders marked by dramatic, overly ...
Four Types of BPD and How to Recognize Them

Explore the four types of borderline personality disorder ( BPD ): Impulsive, discouraged, self-destructive, and petulant. Learn how to recognize their symptoms .
Borderline Personality Disorder ( BPD ) is a mental health condition characterized by unstable emotions, behaviors, and relationships, significantly affecting daily life. The disorder often includes impulsive actions and mood swings, and can lead to challenges in maintaining relationships and self-image.

Borderline Personality Disorder (BPD)
Understanding Symptoms , Causes , and Recovery A single behavior or personality trait does not define borderline personality disorder ( BPD ). Instead, it reflects long-standing patterns of emotional sensitivity and difficulty managing strong feelings—especially during stress or in situations that feel deeply important.
Borderline personality disorder ( BPD ) often causes unstable emotions and impulsive behaviors. There are four main types of BPD : impulsive, discouraged, self-destructive, and petulant.

Borderline personality disorder
Overview Borderline personality disorder is a mental health condition that affects the way people feel about themselves and others, making it hard to function in everyday life. It includes a pattern of unstable, intense relationships, as well as impulsiveness and an unhealthy way of seeing themselves. Impulsiveness involves having extreme emotions and acting or doing things without thinking ...
Information about borderline personality disorder , including signs and symptoms , diagnosis, and treatments for borderline personality disorder .

Borderline Personality Disorder
Borderline Personality Disorder ( BPD ) is a condition characterized by difficulties regulating emotion. This means that people who experience BPD feel emotions intensely and for extended periods of time, and it is harder for them to return to a stable baseline after an emotionally triggering event.






Learn about NIMH research on borderline personality disorder . Find resources on the signs and symptoms of borderline personality disorder and potential treatments and therapies.