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HomeConditionsPersonality DisordersBorderline Personality Disorder
Mental Health Condition

Borderline Personality Disorder

To define Borderline Personality Disorder: A pattern of intense emotions, unstable relationships, and impulsive behaviors that begins in early adulthood.

Overview

Description

Borderline Personality Disorder (BPD) is characterized by pervasive instability in interpersonal relationships, self-image, and emotions, along with marked impulsivity. The pattern begins by early adulthood and is present in various contexts.

Prevalence

Estimated at 1.6%–5.9% in the general population; more common in clinical settings.

Age of Onset

Symptoms usually appear by adolescence or early adulthood.

DSM-5 Code

301.83

ICD-10 Code

F60.3

By HeyPsych Contributor
Reviewed by the HeyPsych Medical Review Board
Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Medical Review Board
Published: August 15, 2025
Last Updated: August 25, 2026
Last Reviewed: August 25, 2026

What It Is

What It Is

Symptoms

Symptoms

Diagnosis Criteria

Diagnosis Criteria

What It Looks Like

What It Looks Like

Real Stories

Real Stories

Treatment Options

Treatment Options

Getting Diagnosed

Getting Diagnosed

Living With It

Living With It

Common Questions

Common Questions

This information about mental health conditions is for educational purposes only. If you believe you may be experiencing symptoms of a mental health condition, please consult with a qualified healthcare professional for proper evaluation and diagnosis.

Get Support

Seeking Help for Borderline Personality Disorder?

If you recognize these symptoms in yourself or a loved one, know that help is available. Mental health conditions are treatable, and connecting with a qualified professional can make a significant difference.
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