How Do Sensory Processing Differences Impact Toilet Training in Autism?

PostedDecember 17, 2025

UpdatedDecember 17, 2025

ByMy Patient Advice

Author: Hannah Smith, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Sensory differences and toilet training in autism are closely related, as sensory sensitivities can significantly affect a child’s ability to engage in and complete potty training. Sensory processing challenges, such as heightened sensitivity to textures, sounds, and smells, can make the toilet training process particularly difficult. Children with autism may find certain aspects of potty training, such as sitting on the toilet, dealing with the sound of flushing, or the sensation of wetness, to be overwhelming or uncomfortable.

These sensory challenges can lead to resistance or anxiety surrounding the process, making it important for caregivers to understand how sensory sensitivities may affect their child’s readiness and comfort during toilet training. Addressing these challenges through strategies that cater to sensory needs can help make the transition to using the toilet smoother.

How Sensory Processing Differences Affect Toilet Training

Here’s how sensory differences and toilet training in autism can impact progress:

Tactile sensitivities

Children may resist sitting on the toilet or wearing underwear due to discomfort with certain textures. Sensory challenges like a dislike for the feeling of toilet paper, the toilet seat, or wet clothing can make it hard for children to complete potty training.

Auditory sensitivities

The sound of the toilet flushing, hand dryers, or even the noises in public restrooms can be overwhelming. These sensory challenges may cause distress, leading children to avoid the bathroom or become fearful of the toilet training process.

Overwhelming smells

The smell of the bathroom, especially in public restrooms, can be another sensory trigger. Children with heightened sensory processing sensitivity may find these smells intolerable, which can make the process of potty training more difficult.

Visit providers like Autism Detect for advice on overcoming sensory challenges and supporting potty training.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Sensory Processing Differences.

Hannah Smith, MSc

Author

Hannah Smith is a clinical psychologist with a Master’s in Clinical Psychology and over three years of experience in behaviour therapy, special education, and inclusive practices. She specialises in Applied Behavior Analysis (ABA), Cognitive Behavioural Therapy (CBT), and inclusive education strategies. Hannah has worked extensively with children and adults with Autism Spectrum Disorder (ASD), ADHD, Down syndrome, and intellectual disabilities, delivering evidence-based interventions to support development, mental health, and well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.