Self-injurious behavior — actions like head-banging, hand-biting, or skin-picking that risk physical harm to the child themselves — is among the most distressing behaviors a parent can witness. This article offers general context; because of the real safety implications, this is an area where individualized professional guidance matters more than almost anywhere else in this guide.
What Self-Injurious Behavior Is
Self-injurious behavior (SIB) refers to behaviors that cause or risk causing physical injury to oneself. It occurs at higher rates among autistic individuals, particularly those with more significant communication challenges or intellectual disability, than in the general population, though it can occur across the full range of autism presentations.
SIB Serves a Function, Like Other Behaviors
Consistent with the broader framework covered in Understanding the Function of Behavior, self-injurious behavior typically serves a specific function for the individual, even though it's difficult to witness. Common functions include: communicating pain, discomfort, or an unmet need that can't yet be expressed another way, escaping or avoiding an overwhelming situation or demand, seeking sensory input, or in some cases, a response to frustration when other coping or communication tools aren't yet developed.
Rule Out Medical Causes First
Before addressing SIB as a purely behavioral concern, it's important to rule out underlying medical causes — pain, illness, dental problems, gastrointestinal discomfort, headaches, and other physical issues can all trigger or worsen self-injurious behavior, particularly in children who can't verbally communicate that they're in pain. A thorough medical evaluation is a critical first step, not something to skip in favor of jumping straight to a behavioral plan.
Why This Requires Individualized Professional Assessment
Self-injurious behavior is genuinely one of the areas where generic advice is not appropriate or sufficient. Because SIB carries real physical risk, an effective plan must be built by a qualified BCBA (and often in coordination with your child's medical team) through a thorough functional behavior assessment specific to your child — identifying the precise triggers, patterns, and function of the behavior, and building a plan around that specific understanding. This article intentionally does not provide specific behavioral techniques, because attempting to address SIB without individualized professional guidance can be ineffective or, in some cases, inadvertently reinforce the behavior further.
Safety Planning Comes First
If your child's self-injurious behavior poses an immediate risk of significant harm, safety is the first priority. This should involve your child's pediatrician and a qualified BCBA directly — reach out to your child's medical provider promptly if you have any concern about the severity or immediate risk of self-injurious behavior, including seeking urgent medical care if an injury has occurred or seems likely to occur imminently.
What Effective, Professional Treatment Generally Involves
While specific plans are always individualized, effective treatment for SIB generally involves: a comprehensive functional behavior assessment, medical evaluation to rule out or address physical contributors, teaching alternative communication and coping strategies matched to the identified function, environmental modifications to reduce known triggers, and close, ongoing data tracking to monitor whether the plan is working and adjust as needed.
You Are Not Alone in This
Parents navigating self-injurious behavior often carry significant fear, exhaustion, and guilt. None of this reflects a failure on your part — SIB is a recognized, researched clinical challenge, not a sign of inadequate parenting. Reaching out for qualified professional support is exactly the right response, not a last resort.
Getting Individualized Support
Our Behavior Support & Consultation service is designed around exactly this kind of goal. If your child engages in self-injurious behavior, we strongly encourage reaching out directly to your child's pediatrician and a qualified BCBA as soon as possible, rather than relying on general information alone. Our BCBA, Kimberly Blazer, conducts thorough, individualized functional assessments for families across the Lansing area and beyond dealing with this challenge. Our in-home ABA therapy in Lansing page has more information, or Get Started Today to start that conversation.
This article is part of our complete guide, Understanding the Function of Behavior. Clinically reviewed by Kimberly Blazer, BCBA.