Assessment and Management of Non-Suicidal Self-Injury (NSSI)
Initial Assessment
Patients presenting with NSSI require immediate evaluation to distinguish non-suicidal self-injury from suicidal behavior, assess for underlying psychiatric disorders, and determine the appropriate level of care.
Critical Distinction: NSSI vs. Suicidal Behavior
- NSSI is defined as deliberate, self-inflicted damage to bodily tissue without intent to die, typically used to reduce distressing emotions, inflict self-punishment, or signal distress to others 1, 2.
- Despite the absence of suicidal intent, NSSI is a strong predictor of future suicide attempts and must be taken seriously as a risk factor for subsequent suicidal behavior 3, 4.
- Direct questioning about intent is essential: ask specifically whether the self-harm was intended to end life or to cope with emotional distress 1.
Comprehensive Risk Assessment Domains
Suicide Risk Evaluation (Critical Priority)
Even though NSSI lacks suicidal intent by definition, you must assess for concurrent suicide risk:
- Ask directly about current suicidal ideation, intent, plans, and access to lethal means including firearms and medications 5, 6.
- Evaluate hopelessness severity, as this is a critical high-risk indicator for suicide 5.
- Assess for agitation or severe anxiety, which signal elevated suicide risk 5.
- Document lifetime history of suicide attempts, as this dramatically increases future risk, particularly in males 5.
- Screen for command hallucinations or psychotic features, especially in the context of depression 5, 6.
Impulsivity Assessment
- Behavioral impulsivity is associated with NSSI (OR=1.34), though the association is stronger for suicide attempts 3.
- High impulsivity in the context of mood disorders markedly raises suicide risk and requires aggressive intervention 5.
- The temporal relationship matters: impulsivity assessed within one month of self-harm behavior shows the strongest association (OR=5.54) with suicide attempts 3.
Psychiatric Comorbidity Screening
- Most adolescent inpatients with NSSI (63.5%) meet criteria for Borderline Personality Disorder, with the remainder showing other emotionally dysregulated personality disorders 4.
- Screen for depression severity including anhedonia, sleep disturbance, worthlessness, and concentration problems 5.
- Assess for manic, hypomanic, or mixed mood states, as these are important risk factors 5.
- Evaluate for comorbid substance use disorders, which substantially elevate suicide risk 5, 6.
- NSSI is associated with a wide variety of externalizing and internalizing conditions, not just severe psychopathology 7.
Psychosocial and Environmental Factors
- Assess quality and availability of social support, as poor or absent support is linked to higher suicide risk 5.
- Evaluate family responsiveness and willingness to engage in safety planning, as this reduces risk 5.
- Document history of childhood sexual or physical abuse, which is associated with increased self-injurious behavior 5.
- Identify LGBTQ+ status, as this population has higher suicide risk due to multiple compounding factors 5.
- Assess "attraction to life" disposition, as reduced attraction to life correlates negatively with frequency and diversification of self-harming behaviors 4.
Immediate Safety Interventions
Lethal Means Restriction (Non-Negotiable)
- Remove all firearms from the home immediately; adolescents can access even locked guns 5, 6.
- Secure all medications (prescription and over-the-counter) to prevent unauthorized use 5, 6.
- Assess and restrict access to other potential methods of self-harm 6.
Safety Planning
- Develop a structured safety plan collaboratively with the patient including identification of warning signs, specific coping strategies, list of responsible social supports, and clear steps for crisis management 6.
- "No-harm contracts" have not been shown to prevent suicidal behavior and should not be relied upon; refusal to engage in safety planning is an ominous sign warranting higher-level intervention 5.
Disposition Decision-Making
Criteria for Immediate Psychiatric Hospitalization
Hospitalization is strongly indicated when any of these high-risk indicators are present:
- Persistent desire to die after initial assessment 5, 6.
- Continuous agitation or severe hopelessness 5, 6.
- Inadequate or unsupportive family/social support system 5, 6.
- Active substance use disorder or current intoxication 5, 6.
- Serious depression with psychotic features (e.g., command hallucinations) 5, 6.
- High impulsivity combined with dysphoric mood in bipolar disorder, major depression, or psychosis 5, 6.
- Family unwillingness to commit to treatment or monitoring 5, 6.
- Inability to participate in safety planning 6.
- Previous high-lethality suicide attempts 6.
Use involuntary commitment if the patient or family refuses necessary hospitalization when immediate risk of self-harm exists 6.
Criteria for Outpatient Management
Outpatient management may be appropriate when:
- Responsive, supportive family capable of close monitoring is present 5.
- Predominantly passive suicidal thoughts without intent or plan, indicating low likelihood of acting on impulses 5.
- Reliable person available who can intervene if mood or behavior deteriorates 5.
- Patient expresses genuine desire to receive help 5.
Even in moderate-risk cases, close follow-up and timely mental health evaluation are essential because risk can change rapidly 5.
Evidence-Based Treatment Interventions
Psychotherapy (First-Line Treatment)
Cognitive-Behavioral Therapy for Suicide Prevention
- CBT specifically focused on suicide prevention is the strongest evidence-based intervention and should be initiated promptly 5, 6.
- CBT reduces suicide attempts by approximately 50% in patients with recent suicidal behavior 5, 6.
- CBT should include behavioral activation, cognitive restructuring, problem-solving skills, and relapse prevention 6.
- Crisis response planning is an essential therapeutic tool involving collaborative identification of crisis warning signs and self-management skills 6.
Other Psychotherapeutic Approaches
- Dialectical Behavior Therapy (DBT) appears to hold promise for reducing NSSI 8, though evidence supporting DBT for reducing suicide attempts or ideation is insufficient 5.
- Emotion regulation group therapy shows promise for NSSI reduction 8.
- Manual-assisted cognitive therapy and dynamic deconstructive psychotherapy have demonstrated benefits 8.
- Structured psychotherapeutic approaches focusing on collaborative therapeutic relationships, motivation for change, and directly addressing NSSI behaviors appear most effective 8.
Pharmacotherapy
For Comorbid Major Depressive Disorder with Severe Suicidal Ideation
- Ketamine infusion can produce rapid (within 24 hours) short-term reduction of suicidal thoughts lasting up to one week 5, 6.
- Ketamine is suggested as an adjunctive treatment for short-term reduction of suicidal ideation in patients with major depressive disorder and active suicidal ideation 6.
For Schizophrenia or Schizoaffective Disorder
- Clozapine reduces suicide attempts in patients with schizophrenia or schizoaffective disorder who have suicidal ideation or history of attempts 5, 6.
For NSSI Specifically
- Atypical antipsychotics (aripiprazole) have demonstrated some benefits for NSSI 8.
- Naltrexone shows promise for NSSI reduction 8.
- Selective serotonin reuptake inhibitors (with or without CBT) appear beneficial 8.
- Medications targeting the serotonergic, dopaminergic, and opioid systems have demonstrated some benefits 8.
General Principle
- Aggressive treatment of underlying psychiatric disorders is critical for decreasing both short-term and long-term suicide risk 5.
Follow-Up and Ongoing Monitoring
Post-Discharge Care Structure
- Periodic caring communications (postal mail or text messages) should be sent to patients for 12 months following hospitalization to reduce the risk of suicide attempts 6.
- Digital interventions with CBT-based therapeutic content are suggested for short-term reduction of suicidal ideation 6.
- Follow-up structure should include closely-spaced appointments, flexibility for crisis visits, and verification of means restriction and psychiatric follow-up 6.
- Collaborative care models that maintain regular contact improve depressive symptoms and enhance treatment adherence, thereby lowering suicide risk 5.
Critical Pitfalls to Avoid
- Do not assume absence of suicidal intent means absence of suicide risk: NSSI is a strong predictor of future suicide attempts 3, 4.
- Do not rely on "no-harm contracts": these have not been shown to prevent suicidal behavior 5.
- Do not underestimate the importance of lethal means restriction: this is a fundamental, non-negotiable safety intervention 5, 6.
- Do not discharge patients with high-risk indicators to outpatient care: hospitalization is strongly indicated when any high-risk criteria are present 5, 6.
- Do not fail to assess for personality disorders: most adolescent inpatients with NSSI meet criteria for emotionally dysregulated personality disorders 4.
- Mean age of NSSI onset is 12.3 years: early identification and intervention are crucial 4.