Borderline personality disorder

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By Mayo Clinic staff

Personality disorders are diagnosed based on signs and symptoms and a thorough psychological evaluation. To be diagnosed with borderline personality disorder, you must meet criteria spelled out in the Diagnostic and Statistical Manual of Mental Disorders (DSM). This manual is published and updated by the American Psychiatric Association and is used by mental health professionals to diagnose mental conditions and by insurance companies to reimburse for treatment.

For borderline personality disorder to be diagnosed, at least five of the following signs and symptoms must be present:

  • Intense fears of abandonment
  • A pattern of unstable relationships
  • Unstable self-image
  • Impulsive and self-destructive behaviors
  • Suicidal behavior or self-injury
  • Wide mood swings
  • Chronic feelings of emptiness
  • Inappropriate anger
  • Periods of paranoia and loss of contact with reality

A diagnosis of BPD is usually made in adults, not children or adolescents. That's because what appear to be signs and symptoms of BPD may go away with maturity.

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May 14, 2008

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