Borderline Personality Disorder vs Bipolar Disorder

Borderline personality disorder (BPD) and bipolar disorder, while they share some similarities, they are distinct in their nature, symptoms and treatment approaches. Let’s clarify the differences between BPD and bipolar disorder, helping you better understand both mental health conditions.
What Is Borderline Personality Disorder?
Borderline personality disorder is a mental health disorder characterized by intense emotions, unstable relationships and impulsive behaviors. People with BPD may experience rapid mood swings, a distorted self-image and fear of abandonment. These symptoms can lead to challenges in maintaining relationships and daily functioning.
Key Symptoms of BPD
- Emotional Instability: People with BPD experience intense emotions that can change rapidly. This emotional volatility often leads to impulsive actions and relationship conflicts.
- Fear of Abandonment: A pervasive fear of being left alone can cause those with BPD to engage in desperate actions to avoid perceived or real abandonment.
- Unstable Relationships: People with BPD may experience relationships that are intense and unstable, often shifting between extremes of idealization and devaluation.
- Distorted Self-Image: One may struggle with a fluctuating sense of identity, leading to self-doubt and confusion about their goals and values.

What Is Bipolar Disorder?
Bipolar disorder is a mood disorder characterized by significant mood swings, including manic (high) and depressive (low) episodes. These episodes can vary in duration and intensity, affecting one’s ability to function in daily life.
Key Symptoms of Bipolar Disorder
- Manic Episodes: During a manic episode, one may feel excessively happy or irritable, have high energy levels, reduced need for sleep and engage in risky behaviors.
- Depressive Episodes: Conversely, depressive episodes are marked by feelings of sadness, hopelessness, fatigue and a lack of interest in activities once enjoyed.
- Mood Swings: The transition between manic and depressive states can be rapid or gradual, with periods of normal mood in between.
BPD vs Bipolar: Key Differences
While both BPD and bipolar disorder involve mood changes, the nature of these changes and other symptoms are distinct.
Nature of Mood Changes
- BPD: Mood changes in BPD are often triggered by interpersonal stressors and can be rapid, occurring within minutes to hours.
- Bipolar Disorder: Mood changes in bipolar disorder are more episodic, lasting for days, weeks or even months, and are not always tied to external events.
Impulsivity and Behavior
- BPD: Impulsivity in BPD often shows up as self-destructive behaviors, such as substance abuse, reckless driving or binge eating, usually triggered by emotional distress.
- Bipolar Disorder: Risk-taking behaviors during manic episodes in bipolar disorder can include excessive spending, hypersexuality or unwise business decisions, driven by elevated mood states.
Self-Image and Identity
- BPD: Someone with BPD often experiences a fluctuating self-image and struggle with identity, affecting their sense of self-worth and direction in life.
- Bipolar Disorder: While self-esteem may fluctuate with mood states, someone with bipolar disorder generally has a more stable sense of identity.
Can You Have BPD and Bipolar Disorder?
It is possible for someone to have both borderline personality disorder and bipolar disorder. This co-occurrence can complicate diagnosis and treatment, as symptoms may overlap or exacerbate one another. Proper assessment by mental health professionals can help with accurate diagnosis and effective treatment planning.
Treatment Options for BPD and Bipolar Disorder
BPD Treatment Strategies
- Psychotherapy: Dialectical Behavior Therapy (DBT) is a common and effective treatment for BPD, focusing on skills like emotional regulation, distress tolerance and interpersonal effectiveness.
- Medication: While there is no specific medication for BPD, medications such as mood stabilizers or antidepressants may help manage symptoms.
- Support Groups: Engaging in support groups can provide a sense of community and understanding, fostering recovery and resilience.
Bipolar Disorder Treatment Strategies
- Medication: Mood stabilizers, antipsychotics and antidepressants are commonly prescribed to manage the mood swings associated with bipolar disorder.
- Therapy: Cognitive Behavioral Therapy (CBT) and psychoeducation can help one understand their condition and develop coping strategies.
- Lifestyle Changes: Regular exercise, a healthy diet and good sleep hygiene can support mood stability and overall well-being.
Help and Support is Here
Brentwood Behavioral Healthcare is an inpatient and outpatient treatment facility for children, adolescents and adults. We help provide support for those in the Jackson, MS, community struggling with mental health conditions, including borderline personality disorder and bipolar disorder.
Learn more by contacting us online or giving us a call at 601-258-5924.