ABA for Pica (Eating Non-Food Items)

Watching your child eat dirt, chew on crayons, or swallow pieces of clothing is frightening — and pica is far more common in autism than most parents realize. ABA therapy can help identify why it is happening and reduce it safely while keeping your child protected.

Why children with autism eat non-food items

Pica — eating or mouthing non-food items — is not a phase and it is not attention-seeking. It most often serves a sensory function: the texture, taste, smell, or sensation of the item is genuinely satisfying to your child’s nervous system. It can also occur because of nutritional deficiencies (especially iron and zinc), gastrointestinal discomfort, or anxiety. Medical evaluation is always the first step — a pediatrician or GI specialist should rule out medical causes before any behavioral intervention begins. Once medical factors are addressed, a BCBA conducts a functional behavior assessment to understand what sensory need the pica is meeting.

How ABA reduces pica safely

ABA addresses pica through a combination of environmental safety modifications (reducing access to dangerous items while ensuring the environment is manageable), sensory substitution (providing appropriate oral sensory input — chew tools, specific textures — that meets the same need safely), and response interruption and redirection (RIRD) to interrupt the behavior and redirect toward a safe alternative. Teaching discrimination — helping your child learn what is food and what is not — is also part of many plans. We monitor data closely because pica carries real health risks and progress must be measurable. Related: challenging behavior and in-home ABA services in NJ.

Frequently asked questions

This page is general educational information, not medical advice. Every child is different — a BCBA can assess your child’s specific needs. Autumn ABA serves families in all 21 NJ counties; see where we provide ABA therapy.

← Back to all resources