For the ignorant

http://www.nimh.nih.gov/health/topics/borderline-personality-disorder/index.shtml#part_145387

What is Borderline Personality Disorder?

Borderline personality disorder (BPD) is a serious mental illness marked by unstable moods, behavior, and relationships. In 1980, theDiagnostic and Statistical Manual for Mental Disorders, Third Edition(DSM-III) listed BPD as a diagnosable illness for the first time. Most psychiatrists and other mental health professionals use the DSM to diagnose mental illnesses.

Because some people with severe BPD have brief psychotic episodes, experts originally thought of this illness as atypical, or borderline, versions of other mental disorders. While mental health experts now generally agree that the name “borderline personality disorder” is misleading, a more accurate term does not exist yet.

Most people who have BPD suffer from:

  • Problems with regulating emotions and thoughts
  • Impulsive and reckless behavior
  • Unstable relationships with other people.

People with this disorder also have high rates of co-occurring disorders, such as depression, anxiety disorders, substance abuse, and eating disorders, along with self-harm, suicidal behaviors, and completed suicides.

Causes

Research on the possible causes and risk factors for BPD is still at a very early stage. However, scientists generally agree that genetic and environmental factors are likely to be involved.

Studies on twins with BPD suggest that the illness is strongly inherited. Another study shows that a person can inherit his or her temperament and specific personality traits, particularly impulsiveness and aggression. Scientists are studying genes that help regulate emotions and impulse control for possible links to the disorder.

Social or cultural factors may increase the risk for BPD. For example, being part of a community or culture in which unstable family relationships are common may increase a person’s risk for the disorder. Impulsiveness, poor judgment in lifestyle choices, and other consequences of BPD may lead individuals to risky situations. Adults with borderline personality disorder are considerably more likely to be the victim of violence, including rape and other crimes.

Signs & Symptoms

According to the DSM, Fourth Edition, Text Revision (DSM-IV-TR), to be diagnosed with borderline personality disorder, a person must show an enduring pattern of behavior that includes at least five of the following symptoms:

  • Extreme reactions—including panic, depression, rage, or frantic actions—to abandonment, whether real or perceived
  • A pattern of intense and stormy relationships with family, friends, and loved ones, often veering from extreme closeness and love (idealization) to extreme dislike or anger (devaluation)
  • Distorted and unstable self-image or sense of self, which can result in sudden changes in feelings, opinions, values, or plans and goals for the future (such as school or career choices)
  • Impulsive and often dangerous behaviors, such as spending sprees, unsafe sex, substance abuse, reckless driving, and binge eating
  • Recurring suicidal behaviors or threats or self-harming behavior, such as cutting
  • Intense and highly changeable moods, with each episode lasting from a few hours to a few days
  • Chronic feelings of emptiness and/or boredom
  • Inappropriate, intense anger or problems controlling anger
  • Having stress-related paranoid thoughts or severe dissociative symptoms, such as feeling cut off from oneself, observing oneself from outside the body, or losing touch with reality.

Seemingly mundane events may trigger symptoms. For example, people with BPD may feel angry and distressed over minor separations—such as vacations, business trips, or sudden changes of plans—from people to whom they feel close. Studies show that people with this disorder may see anger in an emotionally neutral face and have a stronger reaction to words with negative meanings than people who do not have the disorder.

Suicide and Self-harm

Self-injurious behavior includes suicide and suicide attempts, as well as self-harming behaviors, described below. As many as 80 percent of people with BPD have suicidal behaviors, and about 4 to 9 percent commit suicide.

Suicide is one of the most tragic outcomes of any mental illness. Some treatments can help reduce suicidal behaviors in people with BPD. For example, one study showed that dialectical behavior therapy (DBT) reduced suicide attempts in women by half compared with other types of psychotherapy, or talk therapy. DBT also reduced use of emergency room and inpatient services and retained more participants in therapy, compared to other approaches to treatment.

Unlike suicide attempts, self-harming behaviors do not stem from a desire to die. However, some self-harming behaviors may be life threatening. Self-harming behaviors linked with BPD include cutting, burning, hitting, head banging, hair pulling, and other harmful acts. People with BPD may self-harm to help regulate their emotions, to punish themselves, or to express their pain. They do not always see these behaviors as harmful.

Who Is At Risk?

According to data from a subsample of participants in a national survey on mental disorders, about 1.6 percent of adults in the United States have BPD in a given year.  BPD usually begins during adolescence or early adulthood. Some studies suggest that early symptoms of the illness may occur during childhood.

Diagnosis

Unfortunately, BPD is often underdiagnosed or misdiagnosed.

A mental health professional experienced in diagnosing and treating mental disorders—such as a psychiatrist, psychologist, clinical social worker, or psychiatric nurse—can detect BPD based on a thorough interview and a discussion about symptoms. A careful and thorough medical exam can help rule out other possible causes of symptoms.

The mental health professional may ask about symptoms and personal and family medical histories, including any history of mental illnesses. This information can help the mental health professional decide on the best treatment. In some cases, co-occurring mental illnesses may have symptoms that overlap with BPD, making it difficult to distinguish borderline personality disorder from other mental illnesses. For example, a person may describe feelings of depression but may not bring other symptoms to the mental health professional’s attention.

Women with BPD are more likely to have co-occurring disorders such as major depression, anxiety disorders, or eating disorders. In men, BPD is more likely to co-occur with disorders such as substance abuse or antisocial personality disorder. According to the NIMH-funded National Comorbidity Survey Replication—the largest national study to date of mental disorders in U.S. adults—about 85 percent of people with BPD also meet the diagnostic criteria for another mental illness. Other illnesses that often occur with BPD include diabetes, high blood pressure, chronic back pain, arthritis, and fibromyalgia. These conditions are associated with obesity, which is a common side effect of the medications prescribed to treat BPD and other mental disorders.

No single test can diagnose BPD. Scientists funded by NIMH are looking for ways to improve diagnosis of this disorder. One study found that adults with BPD showed excessive emotional reactions when looking at words with unpleasant meanings, compared with healthy people. People with more severe BPD showed a more intense emotional response than people who had less severe BPD.

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