Persistent Gastrointestinal Issues More Common in Autistic Children

Autistic children are more likely to experience long-lasting gastrointestinal problems, which can impact behavior, sleep, and overall health. A recent UC Davis study highlights the importance of addressing gut health in autism care.
Children diagnosed with autism spectrum disorder (ASD) are significantly more prone to experiencing ongoing gastrointestinal (GI) problems compared to their neurotypical peers. A comprehensive study conducted by UC Davis's MIND Institute, published in the journal Autism, highlights that these digestive issues are not only more frequent but often persist over many years, affecting various aspects of a child's health and daily functioning.
The research involved tracking 475 children between the ages of 2 and 12, including 322 with ASD and 153 with typical development. Through detailed interviews conducted at multiple points, researchers observed that children with autism reported a higher incidence of GI symptoms such as constipation, diarrhea, abdominal pain, and bloating. These symptoms were more likely to occur simultaneously and persist over time, often without a clear medical cause. This underscores the importance for clinicians and families to monitor and address digestive health proactively.
Moreover, the study found a strong link between persistent GI problems and other behavioral and health challenges. Children experiencing frequent stomach issues also tended to have difficulties with sleep, heightened anxiety, irritability, communication challenges, sensory sensitivities, and repetitive behaviors. Experts emphasize that the brain and gut are interconnected, meaning that gastrointestinal discomfort can influence mood, sleep, and social interactions.
The findings mark a significant step in understanding the role of gut health in autism. Although many GI symptoms can be treated, increased awareness among healthcare providers, educators, and families is crucial. Addressing these issues early can lead to improved well-being and developmental progress for children with autism.
This pioneering study is among the largest to follow gastrointestinal symptoms through childhood, emphasizing that GI health is an integral part of comprehensive autism care. The researchers advocate for interdisciplinary collaboration to ensure children receive holistic treatment, improving their overall quality of life.
For more details, see the original study: doi: 10.1177/13623613251362349.
Source: https://medicalxpress.com/news/2025-09-autistic-children-persistent-stomach-problems.html
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