Sensory issues with toileting involve a child being overwhelmed or under-responsive to the sights, sounds, smells, and tactile sensations in a bathroom, leading to fear, refusal, or accidents, often stemming from sensitivities to cold seats, loud flushes, scratchy toilet paper, or difficulty recognizing internal body signals (interoception) that they need to go. These challenges can manifest as fear of falling in (vestibular), dislike of wiping, or struggles with posture and body awareness (proprioception).
Children who are sensitive to touch may not like sitting on toilet seats, which may feel hard or cold. They could be upset by feeling wee or poo on their hands or body, and feeling splashes of water from the toilet. They may not like the sensation of toilet paper or wipes, solid or liquid soaps.
Signs Your Senses Might Be Sending Mixed Signals: Common Sensory Issues
About toileting issues
Almost 25 percent of children have some degree of difficulty learning to use a toilet after the suggested age of 36 months. Toileting difficulties include inability/refusal to toilet train, constipation, encopresis (fecal soiling), daytime wetting, and bedwetting.
Causes of difficulties
Some of the language and communication around toileting can be confusing. They may not understand what you are asking them to do or could take things very literally. For example, the phrase 'go to the toilet' does not explain what they should be doing in there.
It is common for autistic children to experience challenges with toilet training. Many autistic children learn how to use the toilet at a later age. Alongside this, there are certain behaviours that can arise such as a reluctance to use the toilet or withholding to passing urine or poo.
Chinning is a form of repetitive self-stimulatory behavior (stimming) that you may notice in children or adults with autism. It involves pressing, rubbing, or holding the chin against objects, surfaces, or even hands to gain sensory input or comfort.
Children with ADHD may not respond as promptly to physical cues of either defecation or urination, and have difficulty interrupting current more desirable tasks. Children with ADHD may be unable to focus on defecatory urges long enough to carry out normal evacuation.
Encopresis is the voluntary or involuntary passage of stool in places other than toilets. To receive a diagnosis of encopresis, the child must pass feces into inappropriate places (such as clothing or on the floor) at least once per month for three months or more.
Physical effects of anxiety
Poor Motor Skills or Coordination
Sensory processing issues often affect motor development: Clumsiness, frequent tripping, or difficulty navigating spaces. Struggles with fine motor tasks, such as writing, cutting, or buttoning. Avoiding sports or physical activities that require coordination.
Around 90% of autism cases are attributed to genetic factors, meaning autism is highly heritable, with many different genes contributing, rather than a single cause, often interacting with environmental influences during early brain development, though specific environmental factors don't cause it but can increase risk. Twin studies show strong genetic links, with concordance rates between 60-90% in identical twins, and research points to complex interactions of many genes and prenatal/perinatal factors.
The "6-second rule" for autism is a communication strategy where a speaker pauses for about six seconds after asking a question or giving information, giving the autistic person extra time to process it without feeling rushed, which helps reduce anxiety and allows for a more thoughtful response, reducing frustration for both parties. Instead of repeating or rephrasing, which can be confusing, you wait, and if needed, repeat the exact same words after the pause.
Constipation isn't just a digestive issue—it's often a sensory processing and nervous system regulation issue for many children.
Yes! Although they sound similar, sensory processing issues can be present without autism. Often children or adults with other neurodevelopmental or psychiatric conditions such as Developmental Delay, Intellectual Disability, Anxiety, ADHD, or mood disorders can also exhibit Sensory Processing Disorder.
Resistance to and fear of sitting on the toilet
A number of factors might explain this reaction to sitting on the toilet. The seat itself might be uncomfortable; the child might feel unstable on the seat; he may have a fear of the swirling water when flushing; or, he may have a fear of falling in.
The "3 poop rule," or "three-and-three rule," is a guideline for normal bowel habits, suggesting that pooping anywhere from three times a day to three times a week is considered healthy, with individual patterns varying widely. It helps identify issues: fewer than three times a week may signal constipation, while more than three times a day (especially with loose stools) might indicate diarrhea, prompting a doctor visit for persistent problems, notes Symprove UK.
Symptoms of encopresis may include: Leakage of stool or liquid stool on underwear, which can be mistaken for diarrhea. Constipation with dry, hard stool. Passage of large stool that clogs or almost clogs the toilet.
The ADHD "2-Minute Rule" suggests doing any task taking under two minutes immediately to build momentum, but it often backfires by derailing focus due to weak working memory, time blindness, and transition difficulties in people with ADHD. A better approach is to write down these quick tasks on a separate "catch-all" list instead of interrupting your main work, then schedule specific times to review and tackle them, or use a slightly longer timeframe like a 5-minute rule to prevent getting lost down "rabbit holes".
Adults can have ADHD.
Inattention: Difficulty paying attention, staying on task, or being organized. Hyperactivity: Excessive activity or restlessness, even at inappropriate times, and difficulty engaging in quiet activities. Impulsivity: Acting without thinking or having trouble with self-control.
Potty training red flags include a lack of interest, fear of the toilet, inability to stay dry for 2+ hours, not recognizing body cues (like hiding or dancing), difficulty with clothes, resistance to using different bathrooms, severe constipation, or significant regression after starting, suggesting it's time to pause and try again later, often with a doctor's input for underlying issues.
Babies with Autism Do Smile – Just Not Always How You Would Expect. A common misconception about autism is that babies with autism don't smile. They do — but their smiles may appear less frequently, come at unexpected moments, or not seem directly tied to social interaction.
One concept that has gained increasing attention is Cassandra Syndrome-a situation where one partner (often the neurotypical) feels unheard, unseen, or invalidated, especially when their struggles in the relationship are minimized or dismissed.
The three main symptom areas for Autism Spectrum Disorder (ASD) are persistent difficulties with social communication and interaction, restricted or repetitive patterns of behavior, interests, or activities, and often, different ways of learning, moving, or paying attention, all of which impact daily functioning. These core characteristics vary greatly but center on social connection challenges, rigid routines or repetitive actions, and sensory sensitivities.