The 4 Subtypes of Borderline Personality Disorder

Sorting out the differences and misunderstandings

Annie Tanasugarn, PhD
Invisible Illness
Published in
5 min readJun 18, 2021

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Photo: Author

“Personalities are like impressionistic paintings. At a distance, each person is 'all of a piece’; up close, each is a bewildering complexity of moods, cognitions, and motives.” — Theodore Millon

Did you know there are four recognized types of Borderline Personality Disorder (BPD)? If you didn’t know, you’re not alone.

According to the DSM-V (2013), Borderline Personality Disorder (BPD) is “…a pervasive and chronic pattern of unstable interpersonal relationships, self-image, and affects, and marked impulsivity, beginning in early adulthood and present in a variety of contexts as indicated by five (or more) of the following”:

· Frantic efforts to avoid real or imagined abandonment

· A pattern of unstable and intense interpersonal relationships characterized by alternating between extremes of idealization and devaluation

· Identity disturbance: markedly and persistently unstable self-image or sense of self

· Impulsivity in at least two areas that are potentially self-damaging (e.g., spending, sex…

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Annie Tanasugarn, PhD
Invisible Illness

Psychologist. Certified Trauma & Relationship Specialist. This is my only account.