Impulsive Personality Disorder

Impulsive Personality Disorder

Impulsivity can derail progress in recovery for young men working to rebuild stable lives. When impulsive reactions become an everyday occurrence, the consequences can be serious. 

We break down what drives impulsive personality disorder, its symptoms and causes, and options for treatment. Keep reading to learn more. 

What is Impulsive Personality Disorder? 

Impulsive personality disorder is a mental health condition where a person has trouble controlling their actions and emotions. The impulsive behavior happens regularly and can affect everything from school and work to relationships and finances. It’s not limited to happening during substance use or manic episodes. Rather it’s a consistent pattern. 

One feature of this disorder is low frustration tolerance. Small problems that might not bother others can cause angry outbursts or sudden decisions. 

BPD vs. Impulsive BPD

Impulsive personality disorder is actually a subtype of borderline personality disorder. Researchers have suggested four subtypes of BPD

  • Discouraged
  • Impulsive
  • Petulant
  • Self-destructive

The impulsive subtype of BPD is characterized by explosive anger, risky behavior, and conflict when a person feels blocked or criticized. People with this subtype struggle with behavioral inhibition, meaning they act without stopping to think about the consequences. Abandonment fears and unstable image are large pieces of BPD, but impulsive BPD is defined more by outward actions such as fights, reckless spending, unsafe sex, and sudden breakups. 

Symptoms of Impulsive Personality Disorder 

Those with impulsive personality disorder typically make choices for immediate rewards, even if those choices create serious problems later. Researchers describe impulsivity as having a very short pause, or dormancy, between an urge and the action that follows. The most concerning urges are those that can cause harm to oneself or others. 

People with impulsive traits are frequently described as hot-headed, rash, unpredictable, and unstable. These tendencies show up across behavior, emotions, thought patterns, relationships, and everyday functioning. 

Behavioral symptoms include disruptive actions such as: 

  • Starting physical or verbal fights over minor disagreements
  • Slamming doors, throwing objects, or damaging property
  • Walking away from jobs, school, or responsibilities without warning
  • Making spur-of-the-moment decisions that result in long-term instability

Emotional symptoms include rapid mood changes and difficulty controlling anger. This may also involve: 

  • Quick surges of intense anger or irritation
  • Feeling restless or on edge most of the time
  • Overreacting emotionally to small inconveniences
  • Guilt, shame, or regret after an outburst

Typical patterns of thought symptoms include: 

  • Acting with little or no time between thought and action
  • Justifying choices after the fact instead of evaluating them beforehand
  • Struggling to consider consequences before making decisions
  • Difficulty organizing or following through on longer-term plans

Relationships can also be affected by impulsive behavior. This can look like: 

  • Ignoring or violating boundaries set by others
  • Arguing frequently with authority figures such as teachers, bosses, or parents
  • Misinterpreting small comments or actions as personal attacks
  • Ending friendships or romantic relationships suddenly and dramatically

Finally, impulsivity affects safety and daily functioning, sometimes with serious consequences, such as: 

  • Emergency room visits or medical care after crises or reckless actions
  • Frequent financial hardship, debt, or fines due to poor decisions
  • Legal problems like arrests or court appearances
  • Instability at work or school 

What Causes Impulsive Personality Disorder? 

Impulsive personality disorder is thought to develop from a mix of childhood experiences, brain abnormalities, and genetics. These factors often interact with each other, which may explain why the disorder shows up more intensely in some people than others. 

Childhood Trauma

Studies show that borderline personality disorder is associated with child abuse and neglect more than almost any other personality disorder, with estimates ranging from 30% to 90% of patients reporting early trauma. This early trauma can affect how children learn to manage emotions and form secure attachments. 

Without that foundation, impulse control is harder to develop in adulthood. Experiences such as neglect, inconsistent caregiving, and physical or sexual abuse increase the risk of impulsivity later in life. 

Brain Abnormalities

Brain imaging studies show evidence that impulsivity is tied to structural and functional differences in different areas of the brain. A review of 23 studies involving nearly 1,000 participants noted the following findings: 

  • Prefrontal Cortex: Smaller size or lower activity results in weaker planning, decision-making, and self-control.
  • Orbitofrontal Cortex: Reductions in this area are linked to poor judgement, rash decisions, and higher suicide risk. 
  • Dorsolateral Prefrontal Cortex: Problems here affect working memory and goal-directed behavior, making it harder to follow through on plans. 
  • Caudate Nucleus: A smaller size is directly tied to difficulty stopping inappropriate actions. 

Connectivity between brain regions is also interrupted. Weaker connections between control centers and emotion centers may explain why urges are acted on before consequences are considered. 

Genetics

Reviews suggest that inherited factors account for 40-60% of BPD variations. Research shows that impulsive and affective traits are more common in relatives of people with BPD compared to relatives of people with other personality disorders. 

Specific genetic mutations can affect how the brain produces serotonin and dopamine, two chemicals responsible for mood and cognition. Changes in these symptoms can contribute to higher impulsivity. Additionally, a genetic predisposition usually interacts with environmental factors, such as trauma, which determines whether impulsive traits turn into a full disorder. 

Impulsive Personality Disorder and Comorbid Addiction

People with borderline personality disorder are much more likely to develop an addiction than the general public. One study found that nearly half of individuals with BPD had at least one substance use disorder in the past year. 

Drugs or alcohol are used to cope with boredom, shame, or rapid mood swings. However, substance use also makes impulsivity worse and feeds into unsafe and reckless behaviors. 

How Do You Treat Impulsive Personality Disorder?

No medication has been proven to treat borderline personality disorder or its subtypes, including impulsive personality disorder. That said, medications are sometimes prescribed to help manage symptoms such as impulsivity. 

Antidepressants like SSRIs are the most commonly used and include the medications citalopram and fluoxetine. One study broke down the commonality of medications prescribed: 

  • 62.9% of patients with BPD take antidepressants
  • 59.7% use benzodiazepines
  • 22.6% were on mood stabilizers
  • 27.4% took antipsychotics

Just under half of patients were on more than one medication at the time of the study. Medication may provide some relief, but therapy may be more effective. 

Dialectical Behavior Therapy

Dialectical Behavior Therapy (DBT) is the leading treatment for borderline and impulsive personality disorders. It focuses on skills that help people stop before reacting, tolerate distress, and regulate emotions. 

Two DBT skills that may help reduce impulsive behaviors include: 

  1. STOP Skill

A four-step tool for breaking the cycle of acting without thinking: Stop, Take a Step Back, Observe, Proceed Mindfully. This creates a pause before responding. 

  1. Cope Ahead Skill

A planning exercise where you identify a stressful or triggering situation in advance, create a coping plan, and mentally rehearse responding in a healthy way. 

Research shows DBT can lower impulsivity by strengthening the aforementioned skills. In one study, patients who completed DBT had impulsivity levels similar to people without personality disorders. 

Start Building Stability with Ethos Recovery

Impulsive personality disorder can make it feel like life is always one crisis away from falling apart. One decision can change everything, and the aftermath often brings regret. When substance use is added on top of this mental health condition, the cycle can feel even harder to break. 

Here at Ethos Recovery, care doesn’t just provide a roof and a set of rules. Staff members work closely with each resident and pay attention to their unique struggles with impulsivity while creating a safe environment. We meet young men where they are in their mental health journey and give them the tools they need to rebuild trust in themselves. Contact us today to learn how we can help. 

Sources: 

Unveiling the Layers of Borderline Personality Disorder: A Systematic Review of Clinical Subtypes - Behavioral Sciences 

Impulsivity, impulsive aggression and borderline personality features among violent spouses - Heliyon 

Borderline Personality Disorder And Childhood Trauma: Witch Relationship? - European Psychiatry 

Impulsivity in ADHD and Borderline Personality Disorder: A Systematic Review of Gray and White Matter Variations - Journal of Clinical Medicine 

Genetic Influences on Outcomes of Psychotherapy in Borderline Personality Disorder: A Narrative Review of Implications for Personalized Treatment - Cureus 

Genetics of Borderline Personality Disorder - University of Missouri-Columbia 

Unseen dualities: underdiagnosis of substance use disorders in borderline personality disorder - Frontiers in Psychiatry 

Pharmacological Management of Borderline Personality Disorder and Common Comorbidities - CNS Drugs 

 How to "STOP" Impulsive Behaviors - Psychology Today 

The Initial Efficacy of Stand-Alone DBT Skills Training for Treating Impulsivity Among Individuals With Alcohol and Other Substance Use Disorders - Behavior Therapy 

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