Narcissistic neurosis is a Freudian diagnostic label describing narcissistic behavior and personality as a mental disorder.
Narcissism is an over-inflated sense of one's own worth. Individuals who suffer from narcissism tend to over-value themselves and under-value or objectify others. They may perceive others not as full human beings with dignity and worth, but rather as objects to be used toward their own end. Narcissistic neurosis describes and categorizes the external presentation of a distressed, but not delusional, narcissistic personality.
Neurosis refers to the behaviors that follow from such distress. These behaviors can range from obsessive/compulsive behaviors to socially antagonistic and abusive behaviors.
In modern psychology, neurosis is no longer used as a diagnostic classification. Instead, the Diagnostic and Statistical Manual of Mental Disorders classifies NPD (Narcissistic Personality Disorder) as one of several personality disorders. Symptoms of the Narcissistic Personality Disorder include social, behavioral, cognitive, and emotional dysfunction. Those suffering with the disorder may also struggle with developmental delays and other adjustment disorders throughout adolescents and adulthood.
Sigmund Freud termed neurosis as a group of related mental disorders involving delusions, hallucinations or emotional illness that show a strong feelings or reactions. This reaction refers to anyone who has excessive anxiety over simple matters with relative indecision and interpersonal maladjustment. However it doesn't go into language disturbances and uncontrolled movements.
Narcissistic neurosis focuses on the narcissism and its effects on one's ego. Generally it is characterized by one's inability of object relations and social behaviors and withdrawal of libido onto the ego. Effects of this can include anxiety, sadness or depression, insecurities to low self esteem, social isolation, negativity, aggressiveness and perfectionism. These manifestations often develop into socio-cultural inappropriate actions and behaviors.
Studies regarding narcissistic neurosis are carefully being studied at the present so as not to intertwine with other neuroses and even psychoses.
This term was introduced by Sigmund Freud that is characterized by someone who has a lack of object relations and is basically an illness based on the conflict between an ego and alter ego. If you look at modern psychology, neurosis isn't really used as a classification but it is still noted as a personality disorder.