What is Borderline personality disorder (BPD)?

Borderline personality disorder (BPD) is a common reason people seek therapy. The experience can look different from one person to another: symptoms may be mostly emotional, physical, cognitive (thought-based), or relational.

On this page you’ll find an overview of Borderline personality disorder (BPD), typical signs, and what support options can look like.

Therapy for Borderline personality disorder (BPD) is typically collaborative: you set goals, explore patterns, and build practical tools for change.

Common symptoms of Borderline personality disorder (BPD)

Possible causes and contributing factors

Borderline personality disorder (BPD) rarely has a single cause. It usually results from a mix of biology, life experiences, stress levels, personality traits, and current context.

How therapy can help with Borderline personality disorder (BPD)

Therapy can help you understand what maintains Borderline personality disorder (BPD), reduce symptoms, and build coping strategies that fit your life. Depending on your needs, your therapist may focus on thoughts, emotions, behaviors, body sensations, relationships, or a mix of these.

Treatment options

Practical coping tips

When to seek help

Consider reaching out for professional support if your symptoms are frequent, intense, or interfere with your daily life (work, studies, relationships, sleep).

If you feel unsafe or at immediate risk of harm, contact local emergency services or a crisis hotline right away. This page about Borderline personality disorder (BPD) is for information only and does not replace medical advice.


Medical disclaimer: This content is for general information only and does not replace diagnosis or treatment from a qualified professional.