Self-injury is a challenging and distressing behavior that some individuals with autism may exhibit. It involves harmful actions directed at one’s own body, such as hitting, biting, or scratching oneself, and may sometimes be linked to underlying trauma, sensory sensitivities, or difficulty with emotional regulation.
While self-injury can occur in individuals with a variety of developmental and mental health conditions, it is particularly common among those with autism. Understanding the reasons behind self-injury, its consequences, and the approaches to managing and preventing it is crucial for caregivers, educators, and healthcare providers.
What is Self-Injury in Autism?
Self-injury refers to a range of behaviors where an individual intentionally causes harm to themselves. In people with autism, these behaviors can take many forms, including:
- Banging the head against walls or hard surfaces
- Scratching or biting oneself
- Hitting oneself
- Pulling out hair
- Poking or pinching oneself
The severity and frequency of self-injury can vary widely from one person to another. For some, it may be a rare occurrence, while for others, it may be a frequent or chronic problem.
It’s important to note that not all individuals with autism engage in self-injurious behavior, but it is more prevalent in certain subgroups of autistic individuals, particularly those with additional intellectual disabilities.
5 Causes of Self-Injury in People with Autism
Understanding the underlying causes of self-injury in people with autism is a crucial step in addressing and preventing these behaviors. While each individual’s circumstances are unique, several factors may contribute to self-injury.
Let’s look at what these are.
Communication Difficulties
Many individuals with autism have challenges with communication, especially those who are non-verbal or have limited language skills. Self-injury can sometimes be a form of communication, especially when the individual is unable to express their needs, frustrations, or discomfort through more typical means.
For example, a person might bang their head or scratch themselves when they are overwhelmed, anxious, or in pain but cannot communicate this to others.
Sensory Processing Issues
People with autism often experience sensory sensitivities, meaning they may be over- or under-sensitive to certain stimuli. This can lead to distress or discomfort in response to sensory input like loud noises, bright lights, or certain textures.
In some cases, individuals may engage in self-injurious behavior as a way to cope with overwhelming sensory experiences or as a means of seeking sensory input.
Emotional Dysregulation and Anxiety
Individuals with autism may struggle with emotional regulation, leading to heightened stress and anxiety. When emotions become difficult to manage, self-injury may occur as a coping mechanism or as a way to release tension.
For instance, someone might engage in self-injury when feeling frustrated, fearful, or overstimulated by their environment.
Medical or Physical Discomfort
Self-injury can sometimes be a response to physical pain or discomfort. For individuals with autism, who may have difficulty expressing their pain verbally, behaviors like head-banging or biting could be ways of drawing attention to an issue such as a headache, stomachache, or other physical ailments.
In some cases, individuals may not have the ability to recognize or communicate that they are experiencing pain, and self-injury may serve as a way of attempting to alleviate that discomfort.
Environmental or Situational Triggers
In some cases, self-injury may be a reaction to specific environmental or situational stressors. This could include changes in routine, social isolation, frustration due to lack of access to preferred activities, or challenges in navigating social situations.
Individuals with autism often find comfort in predictability, and unexpected changes or demands can lead to anxiety, which may manifest as self-injurious behavior.
How to Address Self-Injury in People with Autism
Effective management of self-injury in individuals with autism requires a comprehensive approach that addresses both the underlying causes and the behavior itself. This often involves a combination of behavioral interventions, environmental modifications, and, in some cases, medical or therapeutic treatments.
One of the most effective approaches to managing self-injury in individuals with autism is behavioral therapy. Applied Behavior Analysis (ABA) is widely used to address a variety of behaviors, including self-injury. ABA therapy focuses on identifying the triggers of self-injurious behavior and teaching alternative, more adaptive ways of coping.
The goal is to reduce self-injury by reinforcing positive behaviors and providing support for individuals to learn new ways of communicating or managing their emotions.
Some common techniques used in ABA include:
- Functional Behavior Assessment: This involves identifying the specific triggers and functions of self-injury. Understanding why the behavior occurs can help inform the development of targeted interventions.
- Differential Reinforcement: This strategy involves reinforcing desirable behaviors while reducing reinforcement for self-injury. By providing positive reinforcement for alternative behaviors, the individual learns to use more appropriate ways of communicating or managing their emotions.
- Functional Communication Training: FCT involves teaching individuals to use communication methods, such as gestures, pictures, or sign language, to express their needs and reduce the frustration that may lead to self-injury.
In many cases, changes to the individual’s environment can help reduce the occurrence of self-injury. These modifications may include:

Supporting Individuals with Autism Who Engage in Self-Injury
Self-injury in people with autism is a complex behavior that requires careful attention and a comprehensive approach to treatment. By understanding the underlying causes of self-injury, implementing appropriate interventions, and offering support through communication, emotional regulation, and sensory processing strategies, we can help individuals with autism manage and reduce self-injurious behavior.
Caregivers, educators, and healthcare providers should collaborate and create individualized plans that address the unique needs of each person. At Golden Care Therapy, we specialize in providing high-quality ABA therapy, ensuring that each individual receives the personalized support they deserve.
We offer comprehensive autism services in New Jersey, Indiana, New York, Georgia, and Florida, helping individuals thrive in their daily lives. If you’re ready to take the next step in your journey, contact us today, and let us guide you toward the best support possible.
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