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Borderline personality disorder

Also called: Borderline personality disorder, BPD

Intense emotions, unstable relationships, impulsive actions, and fear of abandonment. DBT therapy helps a lot.

TreatmentDBT
Help988

Overview

People with BPD often feel emotions very strongly and change quickly, and fear being left.

DBT teaches skills to manage emotions and relationships.

Symptoms

Common signs:

  • Intense emotions and unstable relationships
  • Intense, unstable relationships, fear of being abandoned, and fast mood shifts

Less common

  • Self-harm urges

When to get medical care

Call 911Thoughts of suicide or harming yourself or others: call or text 988, or call 911.
Get care todaySelf-harm.
See a doctor soonStruggles.

Causes

Genes, trauma.

Does it spread or run in families?

  • It isn't contagious. You can't catch it from someone else.

Who is more likely to get it

  • Trauma
  • People with trauma in childhood: Higher risk
  • Close family members of someone with BPD: Higher risk

Possible complications

Diagnosis

A mental health professional evaluates.

Treatment

Learn skills.

Self-care

  • DBT skills groups
  • Use a crisis plan
  • Practice DBT skills daily

Prevention

To lower your risk or prevent problems:

  • Early help

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a psychiatrist (for medicine) and a psychologist or licensed therapist (for talk therapy).

Living with it

  • Keep a regular sleep, meal, and activity routine.
  • Tell one trusted person how you're doing, and plan who to call on hard days.
  • Limit alcohol and drugs. They often make symptoms worse.
  • In a crisis, call or text 988 any time.
  • Long-term illness can affect mood. Tell your doctor if you feel down or anxious.

Support groups and helplines

Back to school, work, or sports

  • Most people can keep working or going to school.
  • Ask about changes that help, like extra breaks or a flexible schedule. Workers may be covered by the ADA. Students may get a 504 plan.
  • The Family and Medical Leave Act (FMLA) may let you take unpaid time off for treatment without losing your job.

Children, pregnancy, and older adults

  • Families: NAMI offers support.

Pregnancy and breastfeeding

  • If you're pregnant or planning to be, tell your prenatal provider about this condition.
  • Many mental health medicines are used safely in pregnancy. Stopping suddenly can cause a relapse.
  • Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
  • Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
  • Mood problems can start during or after pregnancy. Postpartum Support International: 1-800-944-4773.
  • Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.

For caregivers

  • Listen without judging, and let them know you care.
  • Encourage treatment, but don't force it unless they're in danger.
  • If they talk about suicide, call or text 988 with them.
  • Take breaks and ask for help. Caregivers need care too.

Outlook

Many recover.

Therapy helps most.

Getting ready for your visit

Bring a list of your symptoms and medicines.

What to bring

  • A list of your medicines and supplements
  • Notes on when symptoms started and what makes them better or worse

Questions to ask

  • Is there a DBT program near me?

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Borderline personality disorder

Sources

Last updated 2026-11-12.