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Self-Harm

Source: MedlinePlus Health Topics, U.S. National Library of Medicine

Last synced 8/6/2026Status: primary verified

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. They may leave permanent scars or cause serious health problems. Some examples are: 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 - an unhealthy way to cope with strong feelings. However, some of the people who harm themselves do have a mental disorder . People who harm themselves are usually not trying to attempt suicide . But they are at higher risk of attempting suicide if they do not get help. Why do people harm themselves? There are different reasons why people harm themselves. Often, they have trouble coping and dealing with their feelings. They harm themselves to try to: Make themselves feel something (because they feel empty or numb inside) Block upsetting memories Show that they need help Release strong feelings that overwhelm them, such as anger, loneliness, or hopelessness Punish themselves Feel a sense of control Who is at risk for self-harm? There are people of all ages who harm themselves, but it usually starts in the teen or early adult years. 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 Certain personality disorders Misuse drugs or alcohol Have friends who self-harm Have low self-esteem What are the signs of self-harm? Signs that someone may be hurting themselves include: 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 How can I help someone who self-harms? If som

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This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.