Borderline personality disorder is an illness marked by an ongoing pattern of varying moods, self-image, and behavior. These symptoms often result in impulsive actions and problems in relationships. People with borderline personality disorder may experience intense episodes of anger, depression, and anxiety that can last from a few hours to days.
Signs & Symptoms
People with bipolar disorder experience unusually intense emotional states that occur in distinct periods called “mood episodes.” Each mood episode represents a drastic change from a person’s usual mood and behavior. An overly joyful or overexcited state is called a manic episode, and an extremely sad or hopeless state is called a depressive episode. Sometimes, a mood episode includes symptoms of both mania and depression. This is called a mixed state. People with bipolar disorder also may be explosive and irritable during a mood episode.
Extreme changes in energy, activity, sleep, and behavior go along with these changes in mood. Symptoms of bipolar disorder are described below.
People with borderline personality disorder may experience mood swings and display uncertainty about how they see themselves and their role in the world. As a result, their interests and values can change quickly.
People with borderline personality disorder also tend to view things in extremes, such as all good or all bad. Their opinions of other people can also change quickly. An individual who is seen as a friend one day may be considered an enemy or traitor the next. These shifting feelings can lead to intense and unstable relationships.
Other signs or symptoms may include:
- Efforts to avoid real or imagined abandonment, such as rapidly initiating intimate (physical or emotional) relationships or cutting off communication with someone in anticipation of being abandoned
- A pattern of intense and unstable relationships with family, friends, and loved ones, often swinging from extreme closeness and love (idealization) to extreme dislike or anger (devaluation)
- Distorted and unstable self-image or sense of self
- Impulsive and often dangerous behaviors, such as spending sprees, unsafe sex, substance abuse, reckless driving, and binge eating. Please note: If these behaviors occur primarily during a period of elevated mood or energy, they may be signs of a mood disorder—not borderline personality disorder
- Self-harming behavior, such as cutting
- Recurring thoughts of suicidal behaviors or threats
- Intense and highly changeable moods, with each episode lasting from a few hours to a few days
- Chronic feelings of emptiness
- Inappropriate, intense anger or problems controlling anger
- Difficulty trusting, which is sometimes accompanied by irrational fear of other people’s intentions
- Feelings of dissociation, such as feeling cut off from oneself, seeing oneself from outside one’s body, or feelings of unreality.
Not everyone with borderline personality disorder experiences every symptom. Some individuals experience only a few symptoms, while others have many. Symptoms can be triggered by seemingly ordinary events. For example, people with borderline personality disorder may become angry and distressed over minor separations from people to whom they feel close, such as traveling on business trips. The severity and frequency of symptoms and how long they last will vary depending on the individual and their illness.
Risk Factors
The cause of borderline personality disorder is not yet clear, but research suggests that genetics, brain structure and function, and environmental, cultural, and social factors play a role, or may increase the risk for developing borderline personality disorder.
- Family History. People who have a close family member, such as a parent or sibling with the disorder may be at higher risk of developing borderline personality disorder.
- Brain Factors. Studies show that people with borderline personality disorder can have structural and functional changes in the brain especially in the areas that control impulses and emotional regulation. But is it not clear whether these changes are risk factors for the disorder, or caused by the disorder.
- Trauma
- Environmental, Cultural, and Social Factors.
- Many people with borderline personality disorder report experiencing traumatic life events, such as abuse, abandonment, or adversity during childhood.
- Others may have been exposed to unstable, invalidating relationships, and hostile conflicts.
Although these factors may increase a person’s risk, it does not mean that the person will develop borderline personality disorder. Likewise, there may be people without these risk factors who will develop borderline personality disorder in their lifetime.
Treatments and Therapies
There are evidence-based treatments and experienced therapists who work well with this diagnosis. Additionally, many people with the disorder experience fewer or less severe symptoms, and an improved quality of life with the right treatment, the right therapist and trauma informed adjuncts to further uncover roots. It is important that people with borderline personality disorder receive evidence-based, specialized treatment from an appropriately trained provider. Other types of treatment, or treatment provided by a doctor or therapist who is not appropriately trained, may not benefit the person.
Many factors affect the length of time it takes for symptoms to improve once treatment begins, so it is important for people with borderline personality disorder and their loved ones to be patient and to receive appropriate support during treatment. Often treatment and counseling for BPD is long-term.
- Dialectical Behavioral Therapy (DBT)
- Trauma Informed therapies – often – Complex PTSD strategies may be helpful
- Imago work
- Boundaries
Psychotherapy
Psychotherapy is the first-line treatment for people with borderline personality disorder. A therapist can provide one-on-one treatment between the therapist and patient, or treatment in a group setting. Therapist-led group sessions may help teach people with borderline personality disorder how to interact with others and how to effectively express themselves.
It is important that people in therapy get along with, and trust their therapist. The very nature of borderline personality disorder can make it difficult for people with the disorder to maintain a comfortable and trusting bond with their therapist.
Two examples of psychotherapies used to treat borderline personality disorder include:
- Dialectical Behavior Therapy (DBT): This type of therapy was developed for individuals with borderline personality disorder. DBT uses concepts of mindfulness and acceptance or being aware of and attentive to the current situation and emotional state. DBT also teaches skills that can help:
- Control intense emotions
- Reduce self-destructive behaviors
- Improve relationships
- Cognitive Behavioral Therapy (CBT): This type of therapy can help people with borderline personality disorder identify and change core beliefs and behaviors that underlie inaccurate perceptions of themselves and others, and problems interacting with others. CBT may help reduce a range of mood and anxiety symptoms and reduce the number of suicidal or self-harming behaviors.
- Trauma informed therapies and therapists.
Tests and Diagnosis
A licensed mental health professional—such as a psychiatrist, psychologist, or psychotherapist—experienced in diagnosing and treating mental disorders can diagnose borderline personality disorder by:
- Completing a thorough interview, including a discussion about symptoms
- Performing a careful and thorough medical exam, which can help rule out other possible causes of symptoms
- Asking about family medical histories, including any history of mental illness
Borderline personality disorder often occurs with other mental illnesses. Co-occurring disorders can make it harder to diagnose and treat borderline personality disorder, especially if symptoms of other illnesses overlap with the symptoms of borderline personality disorder. For example, a person with borderline personality disorder may be more likely to also experience symptoms of depression, bipolar disorder, anxiety disorders, substance use disorders, or eating disorders.
Seek and Stick with Treatment
NIMH-funded studies show that people with borderline personality disorder who don’t receive adequate treatment are:
- More likely to develop other chronic medical or mental illnesses
- Less likely to make healthy lifestyle choices
Borderline personality disorder is also associated with a significantly higher rate of self-harm and suicidal behavior than the general public.
People with borderline personality disorder who are thinking of harming themselves or attempting suicide need help right away.
If you or someone you know is in crisis, call the toll-free National Suicide Prevention Lifeline (NSPL) at 1-800-273-TALK (8255), 24 hours a day, 7 days a week. The service is available to everyone. The deaf and hard of hearing can contact the Lifeline via TTY at 1-800-799-4889. All calls are free and confidential. Contact social media outlets directly if you are concerned about a friend’s social media updates or dial 911 in an emergency. Read more on NIMH’s Suicide Prevention health topic page.