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Self-Harm
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Mental Health Behavior

Self-Harm

Self-harm is an unhealthy way to cope with strong feelings, involving the purposeful injury of one's own body.

What is self-harm?

Self-harm, or self-injury, is when a person hurts his or her own body on purpose. The injuries may be minor, but sometimes they can be severe, leading to permanent scars or serious health problems. Examples include:

  • Cutting yourself (such as using a razor blade, knife, or other sharp object to cut your skin)
  • Punching yourself or punching things (like a wall)
  • Burning yourself with cigarettes, matches, or candles
  • Poking objects through body openings
  • Breaking your bones or bruising yourself

Self-harm is not a mental disorder; it is a behavior. However, some people who harm themselves do have a mental disorder. While they are usually not trying to attempt suicide, they are at a higher risk of attempting suicide if they do not get help.

Why do people harm themselves?

People often harm themselves because they have trouble coping with their feelings. Motivations include:

  • Making themselves feel something (because they feel empty or numb inside)
  • Blocking upsetting memories
  • Showing that they need help
  • Releasing strong feelings that overwhelm them, such as anger, loneliness, or hopelessness
  • Punishing themselves
  • Feeling a sense of control

Risk Factors

Self-harm is more common in people who:

  • Were abused or went through a trauma as children
  • Have mental disorders, such as depression, eating disorders, post-traumatic stress disorder, or certain personality disorders
  • Misuse drugs or alcohol
  • Have friends who self-harm
  • Have low self-esteem

Signs of Self-Harm

  • Having frequent cuts, bruises, or scars
  • Wearing long sleeves or pants even in hot weather
  • Making excuses about injuries
  • Having sharp objects around for no clear reason

Treatment and Support

If someone you know is self-harming, it is important not to be judgmental. If the person is a child or teenager, encourage them to talk to a trusted adult. If the person is an adult, suggest mental health counseling.

There are no medicines to treat self-harming behaviors directly, but medicines can treat underlying mental disorders like anxiety and depression. Mental health counseling or therapy can help by teaching:

  • Problem-solving skills
  • New ways to cope with strong emotions
  • Better relationship skills
  • Ways to strengthen self-esteem

If the problem is severe, the person may need more intensive treatment in a psychiatric hospital or a mental health day program.

Frequently Asked Questions

Listen without judgment, express concern, and encourage them to seek professional help. Offer to help them find a therapist or crisis line. If you believe they are in immediate danger, call emergency services or take them to the nearest emergency department.
Yes. Focus on empathy, avoid labeling them as “self‑harmers,” and instead discuss feelings and coping strategies. Encourage healthy outlets like art, exercise, or journaling, and help them develop a safety plan that includes trusted contacts and professional resources.
Evidence‑based therapies such as Dialectical Behavior Therapy (DBT) and Cognitive Behavioral Therapy (CBT) teach emotion regulation and distress tolerance skills. Medication may be used for co‑existing conditions like depression or anxiety. Long‑term treatment involves building a support network, developing healthier coping mechanisms, and regular follow‑up with mental health professionals.
Frequent cuts, bruises, or scars that are not explained by accidents, wearing long sleeves or pants even in hot weather, and having sharp objects nearby without a clear purpose are red flags. People may also avoid showing injuries or make excuses for them.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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