A 19-year-old woman with a long-standing history of abuse and borderline personality disorder presents to...

Patients with borderline personality disorder commonly engage in non-suicidal self-injury (NSSI) such as superficial cutting. According to MCCQE objectives in psychiatry, this behavior is typically a maladaptive coping mechanism used to regulate intense emotional distress, feelings of emptiness, anger, or dissociation. The act of cutting often produces a transient sense of relief due to reduction of psychological tension and may be reinforced by endogenous opioid release. Therefore, patients frequently report that they “feel better afterward.”

It is important to distinguish NSSI from suicidal intent. Although individuals with borderline personality disorder are at increased risk of suicide, superficial cutting behavior is most often performed to relieve affective dysregulation rather than to die. It is not primarily attention-seeking, obsession with blood, or body modification. Management priorities include thorough suicide risk assessment, validation of emotional distress, establishing safety, and referral for evidence-based psychotherapy such as dialectical behavior therapy (DBT), which specifically targets emotional regulation and self-harm behaviors.