Clearview specializes in providing comprehensive therapy and around-the-clock support for adolescent girls aged 12-18 grappling with Borderline Personality Disorder (BPD) stemming from trauma or significant life losses. Clearview Horizon Girls Academy is a leading program designed to help girls with Borderline Personality Disorder
Borderline Personality Disorder in Teens: Signs, Causes, and Treatment
Teen Borderline Personality Disorder (BPD) is characterized by hypersensitivity to social interactions, leading to a persistent pattern of emotional outbursts, unstable relationships, and harmful behaviors.
Research demonstrates that BPD can be reliably diagnosed in adolescence and that early intervention can change the course of the disorder.
BPD symptoms sometimes first emerge in childhood, typically increasing with the onset of puberty and worsening with the complex emotional demands of the teenage years.
The transition to adulthood is naturally a time of insecurity, shifting relationships, and intense emotions. But for some people, the intensity never lets up. Hypersensitivity to social interactions leads to a persistent pattern of emotional outbursts, unstable relationships, and harmful behaviors. These are all symptoms of Borderline Personality Disorder (BPD) in teens.
Until recently, experts have recommended waiting until personality stabilizes in adulthood before diagnosing an individual with BPD. But given the toll that BPD takes on individuals and their families, not to mention the high rates of suicide associated with the disorder, that advice is changing. Research demonstrates that BPD can be reliably diagnosed in adolescence and that early intervention can change the course of the disorder.
With the right treatment approach, teens with borderline personality disorder can successfully learn to regulate their overwhelming emotions, control self-destructive behavior, and lead a healthy life.
What Is Borderline Personality Disorder in Teens?
Borderline Personality Disorder (BPD) is one of ten personality disorders recognized by the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Despite its formal classification, the term “personality disorder” can sometimes be misunderstood or carry unintended stigma. More accurately, it describes deeply ingrained, rigid patterns of thought, emotion, and behavior that develop as responses to stress, trauma, or challenging environments.
Everyone occasionally experiences emotional intensity or impulsive behaviors, but the difference with BPD lies in the persistence and inflexibility of these patterns, which can severely impact a person’s daily functioning and quality of life. Such behavior becomes classified as “disordered” when it consistently interferes with relationships, well-being, and the ability to cope with everyday demands.
The term “Borderline Personality Disorder” itself originated from an outdated understanding of the condition, historically viewed as existing at the “border” between emotional disorders and psychotic disorders. Today, experts increasingly suggest alternative labels, such as Emotionally Unstable Personality Disorder, Emotional Intensity Disorder, or Borderline Pattern Personality Disorder, to highlight the emotional volatility and interpersonal struggles central to the experience of those with this condition.
Causes of Teen Borderline Personality Disorder
As with some other mental health disorders, the causes of borderline personality disorder are not fully understood. Undoubtedly, there is a definite mix of environmental and genetic factors. Potential BPD causes include the following:
- Teen BPD Genetic Factors: No specific BPD gene has yet to be identified. Still, studies in twins reveal a strong hereditary link. Thus, scientists conclude that genetics play a role in borderline personality disorder. BPD genetic studies are gaining momentum. However, these preliminary findings await replication. Larger sample sizes and more precise methodologies are needed. Still, per recent scientific models, borderline traits concentrate on families. Such a concentration implies a genetic predisposition for the disorder. Indeed, borderline personality disorder is five times more common with a previous BPD diagnosis in the family.
- Neurological Factors in BPD: People with BPD lack the neural capacity needed to inhibit negative emotions. Thus, the part of the brain that regulates emotions and controls impulses functions differently, leading to BPD symptoms.
- BPD and Teen Trauma: Teens with BPD may have a history of childhood trauma. Often, this trauma includes physical abuse, extreme stress, and/or abandonment—many people with borderline personality disorder report such traumatic life events during childhood. Early exposure to unstable relationships and hostile conflicts is also a potential factor.
Signs and Symptoms of Borderline Personality Disorder in Teenagers
BPD symptoms sometimes first emerge in childhood. They typically increase with the onset of puberty and worsen with the complex emotional demands of the teenage years.
With early treatment, those symptoms may wane by early adulthood before they lead to a cascade of other mental health issues and functional impairment. Therefore, many experts recommend proactive treatment even when symptoms do not meet the requirements for a full-blown diagnosis.
Until recently, many mental health providers have been reluctant to diagnose BPD before age 18. The symptoms of BPD have some similarities to normal adolescent behaviors, after all, and personality does not solidify until the mid-20s. Moreover, because BPD used to be considered a difficult disorder to treat, many practitioners tried to avoid a label that could be stigmatizing. Research has consistently shown, however, that, unlike other personality disorders, BPD can be reliably diagnosed in adolescents.
According to the DSM-V, a diagnosis of teen BPD requires at least five of the following symptoms to have been present for more than a year. Experts in adolescent BPD recommend treatment when just three or more of those symptoms are present.
- Frantic efforts to avoid real or imagined abandonment
- A pattern of unstable and intense interpersonal relationships characterized by extreme shifts between idealization and devaluation (also known as “splitting”)
- An unstable self-image or sense of self
- Impulsive harmful behavior in at least two areas (e.g., spending, sex, substance abuse, reckless driving, binge eating)
- Recurrent suicidal behavior, gestures, threats, or self-harming behavior
- Emotional instability in reaction to day-to-day events (e.g., sadness, irritability, or anxiety)
- Chronic feelings of emptiness
- Inappropriate, intense anger or difficulty controlling anger
- Temporary, stress-related paranoid ideation or severe dissociative symptoms
Early Signs of Emerging BPD in Teens Include:
- A tendency to see people or situations as black or white
- Dangerous impulsivity, especially in stressful situations
- Prone to misreading other people’s emotions
- Confusion over which thoughts, impressions, fears, and desires are their own and which are someone else’s
- Angry outbursts that are out of proportion to external circumstances
- Extreme difficulty talking about their feelings
- History of conflicts with parents, friends, and siblings
The Link Between Borderline Personality Disorder and Suicide
When it comes to the signs of BPD in teens, there is a prominent threat of self-harm and suicide. Borderline personality disorder includes suicidal or self-injurious behavior among its diagnostic criteria. Furthermore, it is the only personality disorder type that includes such criteria.
About 75 percent of people with borderline personality disorder will make at least one suicide attempt. Even worse, close to 10 percent of people with BPD will die by suicide. Consequently, this rate of death by suicide is 50 times the rate of suicide in the general population. Therefore, it’s critical to ensure the safety of the environment for teens suffering from BPD.
Questions to Help Identify Borderline Personality Disorder in Teens
Are you a parent who suspects that your teen girl might be suffering from teenage borderline personality disorder? There are questions to consider that may help illuminate the situation.
- Does your teen see things as black and white to the extreme? Do they define people as all good or all bad?
- Is your teen dangerously impulsive? Do they take senseless risks regularly?
- Does your teen lack a firm sense of identity? Do they change all the time, almost cycling through personality types?
- Does your teen seem incapable of reading emotions?
- Does your teen feel crushed when a person leaves? Is their fear of abandonment not reflective of the emotional reality of a situation?
- Does the mood of your teen change for no apparent reason? Do these mood shifts seem extreme?
- Does your teen exhaust and lose relationships? Are their connections to other people more volatile than expected?
- Are your teen’s angry outbursts out of proportion to external circumstances? Is it hard to talk them down?
Many teens without borderline personality disorder can fit these descriptions. This is important to recognize. Yet, answering yes to most of these questions is a red flag. Such answers indicate that proactive steps should be taken toward a professional assessment.
If a sensitive teen girl struggles with a borderline personality disorder, she is not alone. A borderline personality disorder affects close to 14 million Americans.
Treatment for Borderline Personality Disorder in Teens
Successful treatment for BPD includes a variety of approaches that target different aspects of emotional regulation. These modalities help heighten awareness of a full range of emotions (positive as well as negative). They also help teens with BPD learn strategies for emotional regulation and coping with stress. Successful treatment options include:
- Psychoeducation: The more a patient and their family know about the neurological underpinnings of BPD and the role stress plays in the disorder, the better they can “make sense” of distressing feelings and behaviors and take steps to manage difficult emotions.
- Cognitive Behavioral Theory (CBT) brings clarity and valuable insight to a teen in crisis. CBT identifies the emotions that often result in isolation and helps with the self-defeating thoughts and assumptions that make life more difficult.
- Dialectical Behavioral Therapy: Developed by psychologist Marsha Linehan to manage her own BPD, DBT targets skills in four areas. These are mindfulness, distress tolerance, emotion regulation, and interpersonal effectiveness.
- Attachment-Based Family Therapy: BPD can make connection feel challenging. Therefore, supportive family relationships are so important for an adolescent learning to navigate life with BPD. Attachment-Based Family Therapy helps restore empathy and authentic connection.
- Stress Reduction Techniques: Every teen girl (and their adults) can benefit from learning ways to soothe the body’s response to stress. However, stress reduction is essential for a teen girl with BPD symptoms.
Mental Health Treatment at Clearview Horizon Girls Academy for Teens with BPD
If your adolescent girl struggles with symptoms of BPD or another mental health condition, Clearview can help. Our outcomes-driven care helps young girls learn to manage intense thoughts and feelings with healthy coping mechanisms.
Since 1996, young girls have come to Clearview Horizon to flourish, think positively about themselves, improve their relationships, and move on to a better future.
Girl students at Clearview live together in our beautiful lodge and meet regularly with their therapists. Their therapists help them confront fears and gain confidence in a safe, nurturing, and structured environment in the foothills and mountains of northwestern Montana.
Early treatment of BPD has been proven to improve the quality of life in adulthood. Contact us today to learn more about our clinical model and make a positive difference in your teen girl’s mental health and your family’s well-being. We enroll girls year-round. Please call us for more information on how we can help your daughter improve her future at Clearview
Sources: JAMA Psych. 2021; 78(2): 187–194. Curr Psychiatry Rep. 2020 Apr; 22(5): 25. Am J Psychiatry. 2009 May; 166(5): 530–9. Choi-Kain, L. and Sharp, C., ed. Handbook of Good Psychiatric Management for Adolescents with Borderline Personality Disorder. American Psychiatric Association Publishing, 2021.
