Best Therapy for Suicidal Ideation: 7 Evidence-Based Interventions

The interventions with the strongest evidence for reducing suicidal ideation are dialectical behavior therapy (DBT), cognitive behavioral therapy for suicide prevention (CBT-SP), and the Collaborative Assessment and Management of Suicidality (CAMS) — the three treatments named in the Zero Suicide framework — supported by safety planning, crisis intervention, means restriction counseling, and caring-contacts follow-up.

Suicidal Thoughts Are Treatable — Effective Interventions Exist

Suicidal ideation — thinking about, considering, or planning suicide — is more common than most people realize. It is also one of the most treatable conditions in mental health, when the right intervention is matched to the right person at the right time. For decades, therapy for suicidal thoughts focused primarily on treating the underlying condition (depression, PTSD, borderline personality disorder) and assumed that suicidal ideation would resolve as a side effect. We now know that approach is insufficient. Modern suicide-specific therapies target suicidal thinking directly, and the research shows they are significantly more effective at reducing suicide attempts and ideation than treatments that address suicidality only indirectly.

This guide covers the therapeutic interventions with the strongest evidence for reducing suicidal ideation and attempts. If you are reading this for yourself, please know that these treatments work, that reaching out for help is an act of strength, and that what you are experiencing can get better.

12.3 million

Source: NIMH, 2024

Evidence-Based Interventions for Suicidal Ideation

Three psychotherapies have direct randomized-controlled-trial evidence for reducing suicidal thoughts and behaviors — DBT, CBT-SP, and CAMS — and they are the three suicide-specific treatments recommended by the Zero Suicide framework, the national model for suicide care. Four supporting interventions round out the standard of care.

1. Cognitive Behavioral Therapy for Suicide Prevention (CBT-SP)

CBT-SP is a targeted adaptation of standard cognitive behavioral therapy designed specifically to reduce suicide attempts and suicidal ideation. Where general CBT addresses the thought patterns behind depression or anxiety, CBT-SP treats the suicidal crisis itself as the focus — and it is one of the few therapies shown in randomized controlled trials to directly reduce suicide attempts.

How it works: CBT-SP is structured in three phases. The first phase focuses on understanding the specific chain of events, thoughts, and feelings that led to a suicidal crisis — what clinicians call a "narrative timeline" of the most recent suicidal episode. The second phase teaches concrete coping skills: identifying and challenging the hopeless thoughts that fuel suicidal thinking, building distress tolerance, improving problem-solving, and developing a detailed safety plan. The third phase involves relapse prevention, where you and your therapist rehearse exactly how you will use your skills when future crises arise. CBT-SP specifically targets the cognitive triad of hopelessness, perceived burdensomeness ("everyone would be better off without me"), and thwarted belongingness ("I do not fit anywhere").

What the research says: The landmark 2005 study by Brown et al. published in JAMA found that CBT-SP reduced the rate of reattempted suicide by approximately 50 percent compared to treatment as usual. Subsequent research has replicated these findings. A 2022 meta-analysis in Psychological Medicine confirmed that suicide-focused CBT significantly reduces suicide attempts, suicidal ideation, and hopelessness across diverse populations. CBT-SP is listed as a best practice by the Suicide Prevention Resource Center and the National Action Alliance for Suicide Prevention.

Best for: Individuals who have recently attempted suicide or have active suicidal ideation with a plan, those whose suicidal thinking is driven by hopelessness and cognitive distortions

Typical duration: 12 to 16 sessions

2. Dialectical Behavior Therapy (DBT)

DBT was originally developed by Marsha Linehan specifically for chronically suicidal individuals with borderline personality disorder. It has since become one of the most effective treatments for suicidal behavior across multiple populations.

How it works: DBT is a comprehensive treatment that includes four components: individual therapy, skills group, phone coaching for between-session crises, and a therapist consultation team. DBT teaches four core skill sets: mindfulness (staying present rather than spiraling), distress tolerance (surviving crises without making them worse), emotion regulation (understanding and managing intense emotions), and interpersonal effectiveness (getting your needs met in relationships). What makes DBT unique is its dialectical philosophy — it validates that your pain is real and your feelings make sense while simultaneously teaching you that change is possible and necessary. For suicidal individuals, DBT provides the critical combination of skills for surviving acute crises and the longer-term emotional regulation skills that reduce the frequency and intensity of crises over time.

What the research says: DBT has the most extensive evidence base of any therapy for suicidal behavior in individuals with borderline personality disorder. Linehan's original 1991 trial and subsequent replications have consistently shown that DBT reduces suicide attempts by approximately 50 percent, reduces self-harm episodes, decreases psychiatric hospitalizations, and reduces emergency department visits. A 2020 Cochrane review confirmed DBT's superiority to treatment as usual for BPD-related suicidality. DBT has also been adapted for adolescents — DBT-A — with strong results, and research increasingly supports its use for suicidal individuals without a BPD diagnosis.

Best for: Chronic suicidal ideation, suicidality related to borderline personality disorder, individuals who self-harm, those who need crisis skills and longer-term emotional regulation, adolescents with suicidal behavior

Typical duration: 6 to 12 months (comprehensive program)

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DBT saved my life, but not in the dramatic way people imagine. It gave me one skill for one moment, then another skill for another moment, until I had built an entirely different relationship with my pain.

3. Collaborative Assessment and Management of Suicidality (CAMS)

CAMS is a therapeutic framework that places the client's suicidal experience at the center of treatment. Rather than treating suicidality as a symptom of something else, CAMS treats it as the primary problem.

How it works: CAMS begins with a collaborative assessment using the Suicide Status Form (SSF), which therapist and client complete together — literally sitting side by side. This assessment explores the specific drivers of your suicidal ideation: what makes you feel psychologically painful, what makes you feel stressed, what makes you feel agitated, what makes you feel hopeless, and what makes you feel like a burden or disconnected from others. These drivers become the direct treatment targets. A CAMS treatment plan is built around eliminating or reducing these specific drivers, using whatever therapeutic techniques are most appropriate (CBT skills, behavioral activation, interpersonal work, etc.). CAMS sessions begin and end with collaborative tracking of suicidal status, so both you and your therapist always know exactly where things stand.

What the research says: CAMS has been tested in multiple randomized controlled trials across civilian, military, and college populations. A 2017 RCT published in the Journal of Consulting and Clinical Psychology found that CAMS resolved suicidal ideation significantly faster than treatment as usual — in approximately 7 sessions compared to 9. A 2023 meta-analysis found CAMS superior to comparison conditions for reducing suicidal ideation, hopelessness, and overall distress. CAMS is now used by the Department of Defense, Veterans Affairs, and numerous university counseling centers. It is recognized as an evidence-based practice by SAMHSA's National Registry of Evidence-based Programs and Practices.

Best for: Anyone with suicidal ideation who wants a collaborative, non-judgmental approach; people who feel that other therapists have avoided talking directly about their suicidal thoughts; individuals whose suicidality is driven by multiple intersecting factors

Typical duration: 6 to 12 sessions (until suicidal ideation resolves), with follow-up

4. Safety Planning Intervention (SPI)

Safety Planning Intervention is a brief, structured intervention that creates a personalized, prioritized plan for managing suicidal crises. While it is often used as a component of longer-term treatment, SPI is itself an evidence-based intervention that reduces suicide attempts.

How it works: A safety plan is not a contract for safety (which research has shown to be ineffective). It is a concrete, step-by-step action plan created collaboratively between you and a clinician. The plan includes six elements in a specific order: (1) recognizing your personal warning signs that a crisis is developing, (2) internal coping strategies you can use on your own, (3) people and social settings that provide distraction, (4) people you can contact for help, (5) professionals and agencies to contact during a crisis (including 988), and (6) making your environment safer by reducing access to lethal means. The plan is typically written on a card or stored in your phone so it is always accessible. The key is that you practice and rehearse the plan before a crisis, so that when your thinking narrows during a suicidal crisis, you have a clear set of actions to follow.

What the research says: A landmark 2012 study published in Archives of General Psychiatry (now JAMA Psychiatry) found that Safety Planning Intervention combined with follow-up contact reduced suicide attempts by 45 percent compared to usual care over a six-month follow-up in an emergency department population. A 2018 replication in JAMA Psychiatry confirmed these findings in a large VA population, showing that SPI plus structured follow-up was associated with a 45 percent reduction in suicidal behavior. SPI is recommended by the Joint Commission, the VA, and the Suicide Prevention Resource Center.

Best for: Anyone experiencing suicidal ideation (should be a component of any treatment), emergency department presentations, initial intervention while longer-term treatment is being arranged, individuals in crisis stabilization

Typical duration: Can be completed in a single session (30 to 60 minutes), with periodic review and updating

5. Crisis Intervention and Stabilization

Crisis intervention encompasses the immediate, short-term services designed to help someone through an acute suicidal crisis and connect them with ongoing care. This includes crisis hotlines, mobile crisis teams, crisis stabilization units, and emergency psychiatric services.

How it works: When suicidal ideation becomes acute — when someone is actively considering acting on suicidal thoughts — crisis intervention provides immediate support. The 988 Suicide and Crisis Lifeline (call or text 988) connects you with trained crisis counselors 24 hours a day, 7 days a week. The Crisis Text Line (text HOME to 741741) provides text-based crisis support. Mobile crisis teams can come to your location to provide in-person assessment and stabilization. Crisis stabilization units offer short-term (typically 24 to 72 hours) residential support as an alternative to psychiatric hospitalization. These services focus on immediate safety, de-escalation, collaborative safety planning, and warm handoffs to ongoing treatment.

What the research says: Research on crisis services shows that they serve a critical role in the continuum of suicide prevention. A 2023 study in Psychiatric Services found that follow-up contact after crisis service utilization (sometimes called "caring contacts") significantly reduces subsequent suicide attempts. The transition from crisis services to ongoing treatment is the highest-risk period — research consistently shows that the days and weeks following a psychiatric hospitalization or emergency department visit are when suicide risk is greatest. Effective crisis intervention bridges this gap through structured follow-up and warm handoffs to providers trained in suicide-specific therapies.

Best for: Acute suicidal crises, immediate safety stabilization, bridge to longer-term treatment, situations where access to lethal means is a concern

Typical duration: Minutes to hours (hotline), up to 72 hours (crisis stabilization)

6. Means Restriction Counseling (Lethal Means Safety)

One of the most effective suicide prevention strategies is reducing access to lethal means during periods of crisis. This is not about permanent restriction — it is about creating time and distance between a suicidal impulse and the ability to act on it.

How it works: A clinician works with you (and often your family) to make your environment safer while risk is elevated: asking a trusted person to temporarily store firearms outside the home, keeping medications locked or dispensed by someone else, and revisiting the plan as risk changes. The Counseling on Access to Lethal Means (CALM) training provides guidance for clinicians and families.

What the research says: Most suicidal crises are temporary — if a person survives the acute period, the vast majority do not go on to die by suicide. Means restriction is one of the few interventions with population-level evidence for reducing suicide deaths, and the Suicide Prevention Resource Center and the VA recommend it as a standard component of suicide care.

Best for: Everyone at elevated risk, alongside any of the therapies above — especially when firearms or stockpiled medications are accessible

Typical duration: A single conversation, revisited as risk changes

7. Caring Contacts and Structured Follow-Up

Caring contacts are brief, non-demanding messages — letters, texts, or calls — sent after a suicidal crisis, emergency department visit, or hospitalization, simply expressing care and reminding the person that support is available.

How it works: The days and weeks after a hospitalization or emergency visit are the highest-risk period for suicide. Caring contacts bridge that gap: a provider checks in at intervals with a short, expectation-free message. Nothing is owed in return — the message itself is the intervention, countering the isolation that fuels suicidal thinking.

What the research says: The original caring letters study by Motto and Bostrom in Psychiatric Services found significantly lower suicide rates over two years among patients who received brief follow-up letters after declining treatment. Modern text- and call-based adaptations show similar reductions, and structured follow-up contact was central to the Safety Planning Intervention trials' 45 percent reduction in suicidal behavior.

Best for: Anyone transitioning out of a hospitalization, emergency department, or crisis service; people who decline or drop out of ongoing treatment

Typical duration: Periodic contacts over 6 to 24 months

Quick Comparison

How to Choose the Right Approach

These approaches are not mutually exclusive. In fact, the best outcomes often involve a combination:

• Are you in crisis right now? Contact 988 (call or text) immediately. Crisis intervention is the starting point for acute safety.
• Have you recently attempted suicide? CBT-SP has the strongest evidence specifically for reducing reattempt risk.
• Do you experience chronic suicidal thoughts alongside intense emotions and self-harm? DBT provides the comprehensive skill set needed for ongoing emotional regulation and crisis survival.
• Do you want a therapist who talks about your suicidal thoughts directly and collaboratively? CAMS was designed for exactly this — making your suicidal experience the focus of treatment without judgment.
• Do you not yet have a safety plan? Every person experiencing suicidal ideation should have a Safety Plan, regardless of what other treatment they are receiving. Ask any mental health provider to complete one with you.
• Are you transitioning out of a hospitalization or crisis service? This is the highest-risk period. Ensure you have a safety plan, a follow-up appointment within 72 hours, and ideally, access to one of the suicide-specific therapies listed above.

Treating Suicidal Ideation Directly vs. Treating the Underlying Depression

A common question — on psychology exams and in real life — is which form of psychotherapy is especially effective in coping with depression and reducing suicide risk. The answer is cognitive behavioral therapy: CBT has decades of evidence for treating depression, and its suicide-specific adaptation (CBT-SP) directly reduces reattempt risk.

But treating depression alone is not the same as treating suicidal ideation. Many people whose depression improves still have suicidal thoughts, and some people with suicidal ideation do not meet criteria for depression at all. The best therapies for depression are necessary but often not sufficient when suicidal thinking is present — meta-analyses consistently find that suicide-specific interventions outperform general treatment at reducing suicidal thoughts and behaviors. Seek care that addresses suicidality directly, alongside treatment for any underlying condition; for options including medication and hospitalization, see our guide to the full range of treatment for suicidal thoughts.

A Note on Medication

For suicidal ideation co-occurring with depression or bipolar disorder, medication can play an important role. Lithium has the strongest evidence for reducing suicide risk in mood disorders. Clozapine is FDA-approved for reducing suicidal behavior in schizophrenia. Ketamine and esketamine (Spravato) have shown rapid reductions in suicidal ideation in treatment-resistant cases. Medication decisions should always be made with a psychiatrist who understands your full clinical picture.

You Deserve Help That Works

If you have experienced suicidal thoughts, you deserve more than a therapist who changes the subject or only treats your depression while hoping the suicidal thinking resolves on its own. Suicide-specific therapies exist. They are evidence-based. They work. CBT-SP reduces reattempt risk by half. DBT gives chronically suicidal individuals skills to survive crises and build a life they want to live. CAMS puts your experience at the center of treatment. Safety Planning gives you a concrete plan for your worst moments. Means restriction and caring contacts protect you through the highest-risk periods. And crisis services are available 24/7 when you need immediate support.

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