What is a borderline personality disorder?
A person with borderline personality disorder has a mental illness that results in an unstable mood and difficulty with interpersonal relationships. Persons with this condition may be impulsive, have an abnormal perception of reality, and tend to be unhappy with life and relationships.

What are the symptoms of a borderline personality disorder?
Common symptoms of a borderline personality disorder include anger, anxiousness, difficulty sleeping, and poor concentration. These individuals often have problems with drug abuse and alcohol abuse. Many are socially isolated, due to decreased interest in activities and problems forming personal relationships.

How does the doctor treat a borderline personality disorder?
Treatment for a borderline personality disorder includes support groups, psychological counseling, and medications.