Disease Description (Causes and Symptoms)
- Definition summary: A personality disorder characterized by unstable self-image (identity), emotional regulation, and interpersonal relationships, with severe mood swings.
- Main causes and pathophysiology
- Multifactorial: Genetic vulnerability + childhood abuse·neglect or experiences of insecure attachment are reported to be important risk factors.
- Brain and biological changes: May be associated with functional changes in emotional regulation circuits, such as amygdala hyperactivation and reduced prefrontal cortex function, as well as abnormalities in neurotransmitters and the stress response (HPA axis).
- Main symptoms
- Extreme emotional instability (emotional outbursts, rapid mood changes)
- Chronic feelings of emptiness and identity confusion
- Extreme idealization ↔ devaluation in interpersonal relationships (excessive fear of abandonment)
- Impulsivity (substance abuse, indiscriminate sexual behavior, excessive spending, etc.)
- Self-harm and suicide attempts/threats (a suicide rate of approximately 8–10% according to reports)
- Stress-related transient paranoid thoughts or dissociative symptoms
- Diagnosis
- There is no specific test. Diagnosis is made through a clinical assessment by a psychiatrist (based on history, symptoms, and functional impairment criteria).
- Differential diagnoses: Bipolar disorder, psychotic disorders, substance use disorders, and other personality disorders (e.g., paranoid or antisocial personality disorder).
Treatment Methods and Precautions
- First-line treatment (evidence-based)
- Psychotherapy is the main treatment: Dialectical behavior therapy (DBT), in particular, has the strongest body of evidence. Mentalization-based therapy (MBT), transference-focused psychotherapy (TFP), schema therapy, and others may also be effective.
- Medication treatment
- Used to relieve symptoms such as emotional instability, impulsivity, suicidal urges, and transient psychotic symptoms.
- Examples of medications: Antidepressants (including SSRIs), mood stabilizers (lithium and anticonvulsants), atypical antipsychotics, etc. (Caution: There are no medications that change the core personality traits themselves; the benefits of medication are limited by symptom and generally short-term.)
- Benzodiazepines are generally not recommended because they may carry a risk of abuse and cause reduced emotional regulation ability.
- Crisis management (severe self-harm or suicide risk)
- Consider inpatient treatment if suicide risk is high or there is a possibility that it may lead to action.
- Establish a safety plan, remove accessible risk factors (e.g., medications and sharp objects), and secure an emergency contact system.
- Lifestyle management and supportive approaches
- Regular sleep and meals, avoiding drugs and alcohol, stress management, strengthening social support networks, and keeping treatment appointments.
- Precautions and risk of complications
- Avoid excessive polypharmacy (use of multiple medications), and periodically reassess medication effectiveness and side effects.
- Risk of self-harm and suicide, substance dependence, and reduced social and occupational functioning.
- In the long term, symptom improvement is observed in many patients, but continued treatment and support are necessary.
Outpatient Visit Checklist (Including Preparation Items and Sample Questions)
- Preparation items (recommended to bring)
- All medications currently being taken (including prescriptions and medication packets) and recent prescription records
- Records related to previous psychiatric diagnoses, hospitalizations, self-harm, or suicide attempts (including dates and course, if possible)
- Copies of recent blood tests, imaging tests, and other results (if available)
- Symptom diary (mood changes, timing and circumstances of impulses, sleep, diet, medication use, etc.) — recording for approximately the most recent 2–4 weeks is recommended
- Emergency contacts (family members, close contacts, etc.)
- Information to tell the medical staff in advance during an outpatient visit
- Whether there have been recent thoughts of self-harm or a specific suicide plan
- Current medication and alcohol use
- Major stressors (relationships, work, finances, etc.)
- Treatments that were previously effective (psychotherapy or medication) and experiences of side effects
Examples of General Questions to Ask the Doctor
- What are the expected effects and side effects of this medication (or treatment)?
- What is the expected short-term and long-term prognosis? What are the treatment goals?
- What immediate action should I take if a crisis (self-harm or suicidal urges) occurs? What is the emergency contact number?
- Is it possible to participate in psychotherapy (e.g., DBT), and how accessible is treatment in the local area?
- What are the advantages and disadvantages of using medication and psychotherapy at the same time?
Examples of Condition-Specific Questions
- Why do you recommend DBT (dialectical behavior therapy), and what are the usual treatment duration and structure (individual therapy, group skills training, etc.)?
- When urges to self-harm or suicidal thoughts recur, can you help me create a specific safety plan (step-by-step coping strategies) that I can use?
Additional information: If necessary, attaching a current symptom list, medication list, and other information for evaluation by a specialist may allow a diagnosis and treatment plan to be established more quickly and accurately.