Self-mutilation or self-injury is any form of self-harm inflicted on your body without the intent to commit suicide.
Self-mutilation may be caused by associated psychological problems. Self-mutilation may be done to release emotional pain, anger, or
anxiety. It may also be done to rebel against authority, flirt with risk-taking, or feel in control. In some cases, the behavior is outside your emotional control, and related to a neurological or metabolic disorder.
Self-mutilation is often associated with psychiatric disorders that may be caused by chemical imbalances in the brain.
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The symptoms of self-mutilation vary. The most common symptoms include: Cutting of skin with a sharp objectSkin carving or burningSelf-punching or scratchingNeedle stickingHead bangingEye pressingFinger, lips, or arm bitingPulling out one's hairPicking at one's skinWearing long sleeves or pants, even in hot weatherClaiming to have frequent accidentsRelationship difficultiesBehavioral and emotional difficulties
Rarely, in very severe cases, self-mutilation can include: Broken bonesAmputationCastrationEye damageSuicide
Self-mutilation can be difficult to diagnose. People who self-mutilate often feel guilty and ashamed about their behavior. They may try to hide it. Physical harm caused by self-mutilation may be the first sign noticed during an exam. To be diagnosed, symptoms should meet the following criteria: Excess thinking about physically harming oneselfInability to resist harming oneself, resulting in tissue damageIncreased tension before and a sense of relief after self-injuryHaving no suicidal intent in the self-mutilation
To make an accurate diagnosis, the psychologist or psychiatrist will assess other conditions, such as personality or mood disorders, and whether there is suicidal intent. A psychosocial assessment may also be given to assess a person’s mental capacity, level of distress, and presence of mental illness.
Treatment usually includes medical and psychological treatment, as well as medications.
A doctor will assess whether care needs to be provided right away to
prevent further injury.
Psychologic treatment may be done either one-to-one or in a group setting. It is usually aimed at finding and treating the underlying emotional difficulty,
trauma, or disorder. It may also include
cognitive behavioral therapy.
Medications used include: AntidepressantsAntipsychoticsMood regulatorsAnticonvulsants
The best prevention is to get help as soon as possible for depression, trauma, emotional problems, or other disorders that may lead to self-mutilation.
National Collaborating Centre for Mental Health.
Self-harm: the short-term physical and psychological management and secondary prevention of self-harm in primary and secondary care. National Institute for Health and Clinical Excellence website. Available at:
Updated July 2004. Accessed July 29, 2013.
Self-injury in adolescents. American Academy of Child and Adolescent Psychiatry website.
Updated December 2009. Accessed July 29, 2013.
Slee N, Garnefski N, et al. Cognitive-behavioral intervention for self-harm: randomized controlled trial.
Br J Psychiatry. 2008;192:202-211.
Taiminin T, Kallio-Soukainen K, et al.
Contagion of deliberate self-harm among adolescent inpatients.
J Am Acad Child Adolesc Psychiatry. 1998;37:211.
Last reviewed May 2014 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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