What should you do if your teenager is self-harming?

You’re sorting laundry when you notice marks on your teenager’s arm. The room changes temperature. Your mind produces 20 questions at once, most of them beginning with “How could this be happening?” Your teenager sees your face and reaches for the sleeve.

The first minute matters. It doesn’t have to be perfect.

Take one breath. Move toward safety and connection, not shock, punishment, or a demand for every detail. You can be frightened without making your teenager manage your fear.

Start with what you know, not what you fear

Say what you observed in plain language: “I noticed these marks, and I’m concerned you may have hurt yourself. I love you. I’m not here to punish you. I want to understand what happened and make sure you’re safe.”

If your teenager told you directly, thank them. Disclosure may have taken days or months to prepare. Don’t promise secrecy you can’t keep, but don’t announce the information to the family group chat either. Explain that you’ll involve only the people needed to protect them and get appropriate care.

Listen before you investigate. You can ask what was happening beforehand, what the self-harm did for them in that moment, whether it has happened before, and what they need right now. You don’t need graphic details. You do need enough information to understand immediate medical and suicide risk.

Self-harm can serve different functions, such as changing unbearable emotion, interrupting numbness, expressing distress, or creating a brief sense of control. Those possibilities aren’t excuses or a diagnosis. They’re reasons a qualified assessment should ask what the behavior does, not only demand that it stop.

Ask about suicide directly

Self-harm and suicidal behavior aren’t identical. Some teenagers hurt themselves without intending to die. That distinction must never become reassurance that no risk exists. A history of self-harm is associated with increased suicide risk, and intent can change across episodes.

Ask clearly: “Were you trying to die?” “Have you been thinking about suicide?” “Do you have a plan?” “Do you think you might act on it?” “Can you stay safe right now?”

You won’t put the idea into their head by asking. Reviews and newer youth studies haven’t found that direct suicide questions increase suicidal thoughts. Avoid euphemisms such as “do something drastic.” Your teenager shouldn’t have to decode the question you’re afraid to say.

If they have current intent, a plan, access to lethal means, severe intoxication, dangerous agitation, psychosis, or they can’t agree to stay with a safe adult while help is arranged, treat it as an emergency. Call 911 for an immediate life-threatening situation. In the United States, call or text 988 for crisis support, or go to the nearest emergency department. Don’t leave them alone while you decide.

Medical care comes before interpretation

Some injuries need urgent medical attention even when suicide wasn’t intended. Seek emergency care for severe bleeding, deep or gaping wounds, loss of feeling or movement, poisoning or overdose, fainting, trouble breathing, confusion, or any injury you can’t safely assess. If there’s uncertainty, call a medical professional or emergency service.

Don’t make treatment of an injury conditional on an explanation. Your teenager may not know why it happened, may be ashamed, or may fear consequences. Medical care isn’t a reward for disclosure. It’s care.

A clinician can evaluate the injury, suicide risk, repeated self-harm, depression, anxiety, trauma, substance use, eating concerns, bullying, abuse, neurodevelopmental factors, sleep, family stress, and other contributors. One behavior doesn’t tell the whole story, and one reassuring sentence doesn’t close the assessment.

Make the environment safer without turning home into a raid

Reduce access to firearms, medications, toxic substances, and other items that could be used in a suicidal crisis. The American Academy of Pediatrics recommends assessing lethal means and using removal or safe storage, including unloaded and locked firearms with ammunition locked separately. In a higher-risk situation, temporary storage outside the home may be appropriate where lawful and feasible.

Locking up medication shouldn’t be a symbolic gesture while leaving other dangerous items available. Ask a clinician or 988 counselor to help you think through the home. The plan should reflect your teenager’s actual risks, not a generic checklist copied at midnight.

Explain what you’re doing: “This isn’t punishment, and you aren’t bad. When a crisis rises quickly, extra time and distance from dangerous items can keep you alive long enough for the feeling to change.”

Safety doesn’t require searching every message, removing every door, or watching every movement without a clinical reason. Surveillance can damage trust and still miss risk. Supervision should match the current assessment. Make a collaborative plan with professionals and revisit it as risk changes.

A safety plan is a bridge, not the whole treatment

A clinician-guided safety plan may identify warning signs, coping steps, supportive people and places, professional contacts, crisis options, and ways to reduce access to lethal means. It should be specific enough to use when thinking becomes narrow.

It isn’t a “no-harm contract,” and a promise alone can’t establish safety. A 2025 systematic review found limited evidence that safety planning by itself reduces suicide-related outcomes in adolescents. That doesn’t make planning useless. It means the plan shouldn’t be mistaken for treatment, monitoring, and follow-up.

Write down who will stay with your teenager when risk is high, which clinician to call, where to go after hours, and when emergency care is the next step. Make sure the teenager has the plan too. A document hidden in the parent portal won’t help much at 2 a.m.

Find care that treats the pattern, not just the secret

Arrange an assessment with a pediatrician, adolescent medicine clinician, therapist, psychologist, or child and adolescent psychiatrist who is comfortable evaluating self-harm and suicide risk. If the first appointment is weeks away, tell the office exactly why you’re seeking care and ask about urgent pathways, cancellations, or bridge support.

Evidence for youth self-harm treatments is still developing. A recent systematic review found moderate-certainty evidence across several trials that dialectical behavior therapy for adolescents reduced the number of young people engaging in self-harm. That doesn’t mean DBT is the only option or right for every teenager. Treatment should match the assessment, availability, family context, and the young person’s needs.

Parents may be included in treatment and safety work while teenagers also receive private time with the clinician. Confidentiality has limits when safety is at risk. A good clinician explains those limits before asking sensitive questions and shares what parents need for safety without treating the teenager’s entire inner life as family property.

Your response can keep the next door open

Don’t demand a promise that it will never happen again. Don’t compare wounds, call the behavior attention-seeking, threaten hospitalization as punishment, or make your teenager comfort you. If you reacted badly at first, repair it directly: “I panicked and said things that may have made it harder to talk. I’m sorry. I’m going to listen and help us get support.”

Keep ordinary connection alive. Eat together. Offer a ride. Watch the show. Ask about school without making every exchange a risk assessment. Your teenager is still a whole person, not a safety event moving through the house.

I’ll be direct: you can’t guarantee that your teenager will never self-harm again. You can take every episode seriously, reduce immediate danger, bring in qualified care, and become someone they’re more likely to tell before the next crisis gets larger.

Today’s action is one calm sentence and one concrete call. Tell your teenager, “You’re not in trouble. We’re going to handle safety together.” Then contact a clinician, 988, or emergency services at the level the current risk requires. Don’t wait for perfect certainty. Safety decisions are allowed to happen while the full explanation is still forming.

Sources: NICE, Self-Harm: Assessment, Management and Preventing Recurrence (NG225, reviewed 2024); American Academy of Pediatrics, Suicide and Suicide Risk in Adolescents (2024); National Institute of Mental Health, Ask Suicide-Screening Questions Toolkit; Kothgassner and colleagues, systematic review of youth self-harm interventions (2025); Albaum and colleagues, safety-planning meta-analysis, JAMA Pediatrics (2025).