Borderline Personality Disorder (also known as Disorder, Borderline Personality, Borderline Personality Disorders): A personality disorder marked by a pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity beginning by early adulthood and present in a variety of contexts.

NIH MeSH · D001883Psychiatry and Psychology

Borderline Personality Disorder

Also known asDisorder, Borderline Personality · Borderline Personality Disorders · Disorders, Borderline Personality · Personality Disorders, Borderline · Personality Disorder, Borderline

Definition

A personality disorder marked by a pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity beginning by early adulthood and present in a variety of contexts. (DSM-IV)

MeSH classification

  • F03.675.100

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Related concepts

Antisocial Personality Disorder

A personality disorder whose essential feature is a pervasive pattern of disregard for, and violation of, the rights of others that begins i…

Compulsive Personality Disorder

Disorder characterized by an emotionally constricted manner that is unduly conventional, serious, formal, and stingy, by preoccupation with …

Common questions about Borderline Personality Disorder

What does Borderline Personality Disorder mean in medicine?
A personality disorder marked by a pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity beginning by early adulthood and present in a variety of contexts. (DSM-IV) This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Borderline Personality Disorder known by any other names?
Yes. Borderline Personality Disorder is also referred to as Disorder, Borderline Personality, Borderline Personality Disorders, Disorders, Borderline Personality, Personality Disorders, Borderline in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Borderline Personality Disorder sit in the medical classification?
Borderline Personality Disorder falls under the broader medical category "Psychiatry and Psychology" in the MeSH hierarchy (tree numbers: F03.675.100). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Borderline Personality Disorder?
For a plain-language explanation of Borderline Personality Disorder - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 22+ Indian languages, is free and needs no signup. Tap "Ask GoDavaii AI about Borderline Personality Disorder" above.

Source: NIH MeSH 2026 (D001883) — National Library of Medicine, public domain. View official MeSH record ↗