Article library
Browse BPD guides and articles
Our guides are written to make mental-health information easier to understand—not to replace diagnosis or individual care. Choose a topic below, or begin with our overview of what BPD is.
Start here
Clear foundations if you are new to the topic or want to understand an assessment.
What is BPD?
An evidence-led introduction to borderline personality disorder, its symptoms, diagnosis, and support.
BPD symptoms and diagnostic concepts
A careful explanation of common patterns without turning them into a self-diagnosis checklist.
How BPD is diagnosed
What a professional assessment can involve and why it takes more than an online test.
MSI-BPD explained
What clinical screening tools can and cannot tell you.
BPD test for teens and parents
Developmentally informed guidance for young people, parents, and caregivers.
BPD, EUPD, and diagnostic terms
Plain-language help with terminology, ICD-10-CM F60.3, and ICD-11.
Experiences and relationships
Articles that unpack common search terms without treating informal labels as diagnoses.
BPD episodes
What people may mean by “episodes,” patterns to notice, and when to seek support.
BPD splitting
A non-stigmatising explanation of black-and-white thinking under stress.
BPD and “favourite person”
What this informal term can describe—and its important limits.
BPD in relationships
Support, boundaries, communication, and safety in close relationships.
How to explain BPD to someone
A respectful way to talk with a friend, partner, family member, or colleague.
Helping someone during an intense episode
Safety-first support, practical choices, and boundaries for friends and family.
Quiet BPD
Why “quiet BPD” is an informal term, not an official subtype.
High-functioning BPD
Why coping outwardly does not tell the whole story of someone’s distress.
BPD subtypes
Popular subtype models, what they miss, and why they are not official diagnoses.
BPD in men
Symptoms, stereotypes, help-seeking, and respectful assessment.
What causes BPD?
A balanced look at contributing factors without blame or oversimplification.
What can BPD feel like?
A careful, non-diagnostic guide to varied inner experiences and support.
BPD, dissociation, and paranoia
Safety-conscious context for feeling disconnected, suspicious, or unreal under stress.
BPD myths and stigma
Facts and respectful language that reject harmful stereotypes.
Treatment and support
Practical, evidence-led information to support a conversation with a qualified clinician.
BPD compared with other conditions
Non-diagnostic comparisons that explain overlap, difference, and why careful assessment matters.
BPD vs. bipolar disorder
Mood patterns, timing, overlap, and assessment.
BPD vs. ADHD
Where emotional impulsivity and attention difficulties can overlap.
BPD vs. autism
A respectful comparison that avoids stereotypes and self-diagnosis.
BPD vs. OCD
The difference between intrusive thoughts, compulsions, and BPD patterns.
BPD vs. PTSD
A trauma-informed look at overlap, treatment, and support.
BPD vs. complex PTSD
How CPTSD and BPD can overlap while remaining distinct clinical concepts.
BPD vs. NPD
A careful comparison that rejects stigma and armchair diagnosis.