Borderline Personality Disorder vs Bipolar Disorder: Key Differences & Similarities
Key Differences
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Unstable or Unclear Sense of Self
Borderline Personality Disorder:
Core
Bipolar Disorder:
Associated
Explanation: In borderline personality disorder, identity confusion is more likely to feel like an ongoing struggle with who you are, while in bipolar disorder it is less central and more tied to mood episodes.
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Fear of abandonment
Borderline Personality Disorder:
Core
Bipolar Disorder:
Not Characteristic
Explanation: In borderline personality disorder, intense fear of being left or rejected is a central and persistent experience, while it is not a defining feature of bipolar disorder.
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Unusually elevated mood or energy
Borderline Personality Disorder:
Associated
Bipolar Disorder:
Core
Explanation: In bipolar disorder, noticeably elevated energy or mood tends to occur as part of distinct mood episodes, while in borderline personality disorder it is less central and usually not the main pattern.
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Grandiosity / inflated self-confidence
Borderline Personality Disorder:
Associated
Bipolar Disorder:
Core
Explanation: In bipolar disorder, periods of unusually inflated confidence can be a key sign of mania or hypomania, while in borderline personality disorder this is less characteristic.
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Being very self-critical
Borderline Personality Disorder:
Core
Bipolar Disorder:
Associated
Explanation: In borderline personality disorder, harsh self-criticism is more likely to be a persistent part of self-experience, while in bipolar disorder it is less central and more episode-linked.
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Key Similarities
| Symptom | How it is similar |
|---|---|
| Mood swings | Both conditions can involve intense shifts in mood that may feel difficult to control and can be noticeable to the person experiencing them. |
| Impulsivity | Both conditions can involve acting quickly on urges, especially during periods of strong emotion or heightened energy. |
| Irritability or anger | Both conditions can include strong irritability or anger that may affect relationships and daily life. |
| Suicidal thoughts or attempts | Both conditions can involve serious thoughts of suicide or attempts, especially during times of intense emotional distress. |
| Risk-taking behaviour | Both conditions can involve risky choices that may feel urgent or difficult to resist in the moment. |
Most often taken Self-Assessments
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Self-Assessment: Anxiety
Take this quick self-assessment based on the GAD-7 to understand your current anxiety levels and how they may be impacting your life.
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Self-Assessment: Porn Addiction
Reflect on your relationship with porn and whether it's affecting your mental, emotional, or relational well-being.
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Self-Assessment: Overthinking
Reflect on persistent patterns of overanalyzing, second-guessing, or mental looping that may be affecting your clarity and peace of mind.
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Self-Assessment: Depression
The clinically proven PHQ-7 self-assessment to help you gauge if you might be experiencing signs of depression.
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Self-Assessment: Narcissistic Abuse
Check if you might be experiencing or recovering from narcissistic abuse in a relationship.
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Self-Assessment: Impact of ADHD
This self-assessment helps identify how adult ADHD may be affecting your daily life and functioning.
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Self-Assessment: Emotional Regulation
Discover how well you manage your emotions and cope with challenging situations.
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Self-Assessment: Couple Relationships
A quick check-in to see how healthy and connected your romantic relationship feels right now.
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Self-Assessment: PTSD
Use the PCL-5 scale to identify signs of lingering emotional and physiological distress from traumatic experiences.
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Self-Assessment - Borderline Personality Disorder
Understand if you might be showing signs of Borderline Personality Disorder using the Mclean Screening Instrument.
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Self-Assessment: Sleep
Assess if your sleep issues stem from deeper emotional patterns, rather than just irregular habits or lifestyle factors. Based on the Insomnia Severity Index.
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Self-Assessment: Dating Fatigue
Explore whether the emotional exhaustion, frustration, or numbness you're feeling around dating is a sign of burnout.
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Self-Assessment: Social Anxiety
Take this test based on the LSAS scale to find out if social situations are triggering anxiety or holding you back.
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Self-Assessment: Retroactive Jealousy
Explore if thoughts about your partner’s past are affecting your current relationship.
