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Personality Disorder NOS

(Also Known As: Personality Disorder, Personality Disorders, Borderline Personality Disorder, Mixed Personality Disorder)

(Reviewed by: Paul Peterson, Licensed Therapist)

What is Personality Disorder NOS?

Personality disorder NOS (Not Otherwise Specified) is referred to by the DSM-IV-TR as disorders that do not fit into any personality disorder categories. These include: passive-aggressive personality disorder and depressive personality disorder; some behavior or particular trait such as oppositionalism, sadism, and masochism can also be classified in this category. 1

On the other hand, a closely related category known as the borderline personality disorder (BPD) is defined by the Diagnostic and Statistical Manual of Mental Disorders DSM-IV as a prolonged disturbance of personality function which is characterized by depth and variability of moods. The disorder typically involves unusual levels of mood instability or mood swings, black and white thinking, or splitting; chaotic and unstable interpersonal relationships, self-image, identity, and behavior; as well as a disturbance in the individual's sense of self. In severe cases, manifestations of these disturbances in the sense of self may lead to periods of dissociation. It can have an insidious negative impact on many or all of the psychosocial aspects of life, which includes difficulties keeping relationships in work, home, and social settings. As a result, both attempted and completed suicides are possible to happen to these people, especially without proper care and effective therapy. 2

This disorder has also been referred to as ambulatory schizophrenia, as-if personality which is a term given by Helene Deutsch, pseudoneurotic schizophrenia as described by Paul Hoch and Philip Politan, psychotic character disorder as described by John Frosch. ICD-10 makes use of the name emotionally unstable personality disorder. 3

Could You Have Personality Disorder NOS?

Personality Disorder NOS Topics

Related Conditions

Antisocial Personality Disorder – pervasive behavior, disregard of rights of others, lack of empathy
Avoidant Personality Disorder – pervasive social inhibition, feeling of inadequacy, fear of being criticized or rejected
Borderline Personality Disorder – variable mood, unstable relationship, psychosis
Dependent Personality Disorder - dependence towards others, get others to assume responsibility for major areas of their lives, lacks self-confidence, may experience intense discomfort when left alone for more than a brief period
Histrionic Personality Disorder - exhibits excitability and are highly emotional, manifests a colorful, dramatic, extroverted behavior with the inability to maintain long-lasting attachments.
Narcissistic Personality Disorder - characterized by a heightened sense of self-importance and grandiose feelings of uniqueness
Obsessive Compulsive Disorder – obsession to perfection, compulsive personality, obsession, perfectionist, routine and repetitive activities
Paranoid Personality Disorder – long standing suspiciousness, mistrust of others, paranoia, maladaptive behavior
Schizoid Personality Disorder – lack of interest with social relationship, prefer to be in solitary, emotional coldness, indifference
Schizotypal Personality Disorder - odd personality, perceives magical thinking, peculiar notions, ideas of reference, illusions and derealization.