Self-Injury: A Compassionate Clinical Guide

In a crisis right now? Call or text 988 (Suicide & Crisis Lifeline), text HOME to 741741 (Crisis Text Line), or go to the nearest emergency department. If a wound is deep, will not stop bleeding, or you are not sure you are safe, please get medical help now and read the rest later.

TL;DR: Non-suicidal self-injury (NSSI) is the deliberate harming of one's own body without the intent to die. It is most commonly cutting, burning, scratching, or hitting oneself. Most people who self-injure are not trying to end their lives. They are trying to survive a moment of unbearable emotion. NSSI is not attention-seeking, and it is not manipulation. It is a coping strategy that works in the short term and costs a great deal over time. With the right care, particularly Dialectical Behavior Therapy (DBT), trauma-informed therapy, and a steady primary care partnership, the urge fades and other tools take its place.

Table of Contents

• What Self-Injury Actually Is
• Why People Self-Injure
• Self-Injury Is Not the Same as a Suicide Attempt
• Warning Signs Loved Ones Can Notice
• What to Say (and What Not to Say)
• How Primary Care Fits In
• Evidence-Based Treatments That Actually Work
• Building a Personal Safety Plan
• Common Questions
• Deep Questions

What Self-Injury Actually Is

Non-suicidal self-injury (NSSI) is the direct, deliberate destruction of one's own body tissue without the intent to die. The most common forms are:

• Cutting (most common, usually on the arms, thighs, or stomach).
• Burning (lighters, hot metal, friction burns).
• Scratching or skin-picking until the skin breaks.
• Hitting oneself or punching walls.
• Interfering with wound healing (re-opening scabs, pulling out hair, biting).

NSSI usually starts in early adolescence (peak ages 12 to 14) and is most common between ages 12 and 24, but it shows up at every age. Roughly 17% of teens and 5% to 6% of adults in the United States have a history of NSSI. It happens across every gender, race, income level, and ZIP code in Philadelphia.

What it is not:

• It is not the same as a tattoo, a piercing, or extreme body modification, which serve cultural and aesthetic functions.
• It is not "stimming" or sensory-seeking behavior in autism or ADHD, which is regulatory and rarely causes lasting tissue damage.
• It is not a personality flaw, and it is not a sign that someone is "crazy," weak, or broken.

Why People Self-Injure

It almost never makes sense from the outside. From the inside, there is usually a clear reason. Research and clinical experience point to several functions NSSI tends to serve:

1. Emotion regulation. A flood of anger, shame, panic, or grief becomes physically intolerable. Causing a small, controllable injury releases endorphins and a brief sense of calm. The relief is real, even if it is short-lived.
2. Breaking dissociation. People with trauma histories sometimes "go numb" or float outside their bodies. A sharp sensation can pull them back into the present moment.
3. Self-punishment. Deep shame or self-loathing finds a physical outlet. This pattern is particularly common in patients with trauma, eating disorders, or harsh inner critics.
4. Communicating distress. When words fail, particularly in families or relationships where emotions are not safe to name, the body becomes the message.
5. A way to stay alive. This sounds counterintuitive. For some patients, NSSI is the alternative to suicide, a "release valve" that prevents the pressure from building to a lethal level.

Understanding the function is the first step out. The goal of treatment is not to take away a coping tool and leave nothing in its place. It is to replace one tool with several better ones.

Self-Injury Is Not the Same as a Suicide Attempt

This distinction matters, both clinically and personally.

• Intent. NSSI is by definition without intent to die. A suicide attempt is an act with the intent, even partial, to end one's life.
• Method. NSSI tends to use methods with low lethality (superficial cutting, burning, hitting). Suicide attempts tend to use methods with higher lethality (overdose, firearms, hanging).
• Frequency. NSSI is often repetitive, even daily during a hard stretch. Suicide attempts, even in high-risk patients, are usually less frequent.
• Function. NSSI usually aims to change a state (escape, regulate, communicate). A suicide attempt usually aims to end a state.

And yet: a history of NSSI is one of the strongest predictors of a future suicide attempt. People who self-injure carry a roughly four-fold higher risk of attempting suicide in the years that follow, compared to peers who do not self-injure. The two are not the same, but they live on the same map. That is why we take NSSI seriously every single time, without overreacting and without underreacting.

Warning Signs Loved Ones Can Notice

NSSI is usually hidden. Patients are often deeply ashamed and skilled at concealing wounds. Some signs that may show up:

• Long sleeves or pants in warm weather, even at home, even in a Philly July.
• Frequent "minor injuries" explained by cats, kitchen accidents, or "I just bumped into something."
• Sharp objects (razor blades, broken glass, paper clips) found in unusual places: a desk drawer, a backpack, a bathroom shelf.
• Avoidance of swimming, intimacy, or changing clothes in front of others.
• Withdrawal, irritability, or a sudden drop in school or work performance, particularly in adolescents.
• Heavy bandaging or bandages in patterns that do not match the explanation.
• Bloodstains on clothes, sheets, or towels.

If you notice these patterns, particularly in a child or teen, the right move is calm, private, direct conversation. Not a search of their room. Not a public confrontation. Not "I'll tell your father." Trust is the bridge to treatment.

What to Say (and What Not to Say)

How a first conversation goes often shapes whether the person ever opens up again.

Try:

• "I noticed some marks on your arm. I'm not angry, and I'm not afraid. I just want to understand what's going on."
• "What was happening for you right before?"
• "What did it help with?"
• "I love you, and I want to help you find ways to feel better that don't leave marks."

Avoid:

• "Promise me you'll never do it again." (Promises made in panic almost always break, and the broken promise adds shame on top of pain.)
• "You're just doing this for attention." (NSSI is almost never for attention. Even if there is a communication function, the communication is real and deserves an answer.)
• "Look what you're doing to us." (Shifting the focus to the family's pain often deepens the patient's shame and drives the behavior underground.)
• Threats, ultimatums, or removal of all privileges. These rarely stop the behavior. They usually move it.

The job of a loved one is not to fix it. The job is to stay present, not panic, and help connect the person to professional care.

How Primary Care Fits In

For most patients, primary care is the first medical setting where NSSI gets named out loud. We have a specific role.

1. Screen without surprise. Asking, "Do you ever hurt yourself on purpose?" as a routine part of an intake is normal in modern primary care. It is not a trap.
2. Examine and treat wounds. Some cuts and burns need professional care: deep wounds, signs of infection, wounds over tendons or near major blood vessels, or any wound that will not stop bleeding. We can clean, suture, refer to wound care, and update tetanus.
3. Rule out medical contributors. Untreated ADHD, thyroid disease, iron deficiency, sleep deprivation, perimenopausal hormone changes, and post-concussive syndromes can all amplify emotional dysregulation. Treating the medical layer makes the psychological work possible.
4. Coordinate the psychiatric care. We refer to a therapist trained in DBT or trauma-focused work, and to a psychiatrist or psychiatric nurse practitioner if medication is part of the plan. We do not pretend to be everyone's only mental health provider, but we do hold the thread.
5. Track the trajectory. We use the PHQ-9, GAD-7, and a brief NSSI questionnaire to measure changes over time. (See our guide on understanding your scores.) Numbers plus story is the full picture.
6. Plan for crises. We build a written safety plan at the first visit and revisit it at every follow-up.

This is not a "refer and forget" situation. Self-injury responds best to a steady, unhurried, long-term medical relationship, the kind primary care is designed to provide.

Evidence-Based Treatments That Actually Work

The good news: NSSI is one of the more treatable patterns in psychiatry. The evidence is strongest for these approaches.

1. Dialectical Behavior Therapy (DBT)

DBT is a structured therapy developed by Dr. Marsha Linehan, who has been open about her own history of self-injury. It teaches four skill sets:

• Mindfulness (notice without judging).
• Distress tolerance (survive the wave without making it worse).
• Emotion regulation (lower the temperature on big feelings).
• Interpersonal effectiveness (ask for what you need without burning bridges).

DBT is the gold standard for repeated NSSI, particularly when paired with borderline personality disorder (BPD) traits. A full course is usually six months to a year, with weekly individual therapy and a weekly skills group. Multiple randomized trials show DBT cuts self-injury frequency by half or more.

2. Cognitive Behavioral Therapy (CBT) and Trauma-Focused CBT

CBT helps a patient identify the thoughts and triggers that lead to the urge, and build different responses. TF-CBT (trauma-focused CBT) adds processing of underlying traumatic memories. This is often the right starting point when NSSI is tied to a clear trauma history.

3. Mentalization-Based Therapy (MBT)

MBT helps patients understand their own and others' minds, particularly in the moments when emotions overwhelm thought. It has strong evidence in self-injury that is linked to attachment trauma or BPD traits.

4. Family-Based Therapy (for Adolescents)

For teens, treating the family system is often as important as treating the teenager. Attachment-Based Family Therapy (ABFT) and similar approaches repair the emotional safety at home so the teen has somewhere to land.

5. Medications (Adjunct, Not Primary)

There is no FDA-approved medication for NSSI itself. Medications are used to treat comorbid conditions that drive the urge:

• SSRIs and SNRIs for depression and anxiety.
• Stimulants for ADHD (often a hidden driver of emotional dysregulation in young adults).
• Naltrexone off-label for some patients, particularly when there is an opioid-like "high" component to the act.
• Mood stabilizers or low-dose antipsychotics for rapid mood swings or BPD traits.

Medication alone almost never resolves NSSI. Medication plus therapy is the durable combination.

6. Lifestyle Medicine That Actually Moves the Needle

The boring stuff matters more than people expect:

• Sleep. A nervous system that has slept four hours cannot do skills work. We protect the bedroom like an emergency room.
• Movement. Heavy cardio and resistance training are some of the most powerful natural mood regulators we have.
• Iron, vitamin D, B12, thyroid. All checked, all repleted if low. A deficient brain is a fragile brain.
• Reducing alcohol. Alcohol depresses inhibition and amplifies hopelessness. Most NSSI episodes that escalate to a suicide attempt involve alcohol.
• Reducing access to means. Discreetly removing fresh razors, lighters, and other tools from easy reach buys time during a wave.

Building a Personal Safety Plan

A safety plan is a short, written document made before the next crisis. We build one with every patient who has a history of NSSI or suicidal thoughts. It usually has six parts:

1. Warning signs. What does it look like when the wave is building? ("I stop answering texts." "I drink alone." "I can't sleep.")
2. Internal coping strategies. Things you can do alone before involving anyone else. (Cold shower, walk along the Delaware, journal, breathwork.)
3. People and places that distract. A coffee shop on Frankford, a friend's couch, your mom's house.
4. People you can call for help. Three names with numbers.
5. Professionals you can call. Your primary care doctor, your therapist, the psychiatry on-call line.
6. The crisis number. 988 (call or text), 741741 (text HOME), the nearest ER.

We print it, you sign it, you keep a copy on your phone home screen, and we revisit it at every visit.

Guidance from the Clinic

"Self-injury makes sense once you understand what it is solving. It is a coping strategy with side effects, not a moral failure. My job is not to make you feel ashamed. My job is to help you build a wider toolbox, treat the underlying medical and psychological drivers, and walk with you long enough that you trust the new tools more than the old one. People recover from this. Often without fanfare, often steadily, often completely."

Key Takeaways

• NSSI is a coping strategy, not a character flaw. It is a fast (but costly) way to manage unbearable emotion.
• It is not the same as a suicide attempt. It is also a real risk factor for one. Both can be true.
• The most effective treatment is DBT, often combined with trauma-focused therapy and treatment of underlying medical contributors.
• Primary care has a central role: screening, wound care, coordination, monitoring, and a steady relationship.
• Loved ones help most by staying calm, curious, and connected. Panic, shame, and ultimatums almost always backfire.
• A written safety plan and reduced access to means save lives.

Scientific References

1. International Society for the Study of Self-Injury (ISSS). What is self-injury? 2024.
2. Klonsky ED, et al. Nonsuicidal self-injury: What we know, and what we need to know. Can J Psychiatry. 2014;59(11):565-568.
3. Linehan MM, et al. Dialectical behavior therapy for high suicide risk in individuals with borderline personality disorder: A randomized clinical trial and component analysis. JAMA Psychiatry. 2015;72(5):475-482.
4. Whitlock J, et al. Nonsuicidal self-injury as a gateway to suicide in young adults. J Adolesc Health. 2013;52(4):486-492.
5. Hawton K, et al. Self-harm and suicide in adolescents. Lancet. 2012;379(9834):2373-2382.
6. Plener PL, et al. The longitudinal course of non-suicidal self-injury and deliberate self-harm: a systematic review of the literature. Borderline Personal Disord Emot Dysregul. 2015;2:2.
7. Glenn CR, Klonsky ED. Nonsuicidal self-injury disorder: An empirical investigation in adolescent psychiatric patients. J Clin Child Adolesc Psychol. 2013;42(4):496-507.