What is Borderline Personality Disorder? Borderline Personality Disorder (BPD) is a serious mental illness marked by unstable moods, behavior, and relationships. Treatments BPD is often viewed as difficult to treat. However, recent research shows that BPD can be treated effectively, and that many people with this illness improve over time. BPD can be treated with psychotherapy, or “talk” therapy. In some cases, a mental health professional may also recommend medications to treat specific symptoms. When a person is under more than one professional’s care, it is essential for the professionals to coordinate with one another on the treatment plan. The treatments described below are just some of the options that may be available to a person with BPD. However, the research on treatments is still in very early stages. More studies are needed to determine the effectiveness of these treatments, who may benefit the most, and how best to deliver treatments. Psychotherapy Psychotherapy is us...