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Presentation comparison
RoutineCovers personality-related patterns, trauma, neurodevelopmental differences, mood or psychotic illness, neurological causes, and substance effects.
5 of 9 diagnoses compared
| CriteriaComparison detail | Borderline personality disorderUrgent |
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Interpersonal sensitivity, fear of abandonment, identity disturbance, recurrent dysregulation.
Clinical reference — not validated decision support. Review before use.
| Narcissistic personality disorderRoutine |
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| Antisocial personality disorderRoutine |
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| Paranoid personality disorderRoutine |
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| Histrionic personality disorderRoutine |
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| AutismRoutineNot selected |
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| PTSDRoutineNot selected |
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| Bipolar disorder or psychosis mistaken for personalityRoutineNot selected |
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| Frontal disinhibitionRoutineNot selected |
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| Why it fits | Recurrent crises around attachment threat, splitting, intense anger, reassurance-seeking | Entitlement, status injury, humiliation sensitivity, devaluation, rage after criticism | Chronic deceit, exploitation, aggression, remorselessness, rule violation | Persistent mistrust, grievance accumulation, suspicious interpretation, rigidity | Dramatic, attention-seeking, affectively labile, impressionistic style | Bluntness, literalness, rigidity, overload rather than manipulative intent | Mistrust, threat scanning, shame, dissociation, fight-flight responses | Irritability, overfamiliarity, suspiciousness fluctuate with state change | New tactlessness, sexual disinhibition, apathy, reckless conduct (later life) |
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| What argues against | Applies to the whole presentationReview locally. | ||||||||
| Must-not-miss | Current self-harm, suicidality, dissociation, severe substance co-factors | Violence after humiliation, stalking, coercive control, severe depression after narcissistic injury | Serious violence, coercive control, weapon access, intoxication, acute grievance | ||||||
| Bedside question | Applies to the whole presentationInterpersonal sensitivity, fear of abandonment, identity disturbance, recurrent dysregulation. | ||||||||
| Immediate action | Applies to the whole presentationStabilise and reassess. | ||||||||
| Investigations | Applies to the whole presentationGuided by presentation. | ||||||||
| Mimics / overlap | Applies to the whole presentationReview overlap locally. | ||||||||
Scroll horizontally to review more candidate differentials. Clinical reference — not validated decision support. Review before use.
Review locally.
Interpersonal sensitivity, fear of abandonment, identity disturbance, recurrent dysregulation.
Stabilise and reassess.
Guided by presentation.
Review overlap locally.
Recurrent crises around attachment threat, splitting, intense anger, reassurance-seeking
Current self-harm, suicidality, dissociation, severe substance co-factors
Entitlement, status injury, humiliation sensitivity, devaluation, rage after criticism
Violence after humiliation, stalking
Chronic deceit, exploitation, aggression, remorselessness, rule violation
Serious violence, coercive control
Persistent mistrust, grievance accumulation, suspicious interpretation, rigidity
Targeted grievance, retaliatory violence
Dramatic, attention-seeking, affectively labile, impressionistic style
Self-harm, exploitation,
Based on current selection
Safety first. Act early.
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
Open a selected differential to review its clinical record.
Based on current selection
Safety first. Act early.
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
| Self-harm, exploitation, chaotic relationships, diagnostic overshadowing |
| Diagnostic overshadowing, bullying, exploitation, shutdown, hidden pain |
| Family violence, self-harm, dissociation, substance use, acute fear-driven aggression |
| Mixed state, mania, severe psychosis, medication non-adherence |
| Rapid neurological decline, intoxication, falls, violence, safeguarding issues |