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GI Symptoms Linked to Problem Behaviors In Autistic Kids

A new study has found a link between internalizing and externalizing problem behaviors and gastrointestinal distress in children and adolescents with autism spectrum disorder.

Internalizing behaviors are negative behaviors that are focused inward like fearfulness and social withdrawal. Externalizing behaviors are directed outward toward others, such as bullying.

For the study, Dr. Bradley Ferguson, an assistant research professor in the departments of health psychology, radiology, and the Thompson Center for Autism & Neurodevelopmental Disorders at the University of Missouri, examined records from 340 children and adolescents with autism who are patients at the Thompson Center.

He found that 65 percent of patients experienced constipation, nearly half experienced stomach pain, nearly 30 percent experienced diarrhea, and 23 percent experienced nausea.

He also discovered that some of these gastrointestinal symptoms were associated with different behaviors, such as anxiety and aggression.

“We are starting to better understand how gastrointestinal issues coincide with problem behaviors in ASD,” Ferguson said.

“For example, we found that individuals with autism and co-occurring nausea were about 11 percent more likely to display aggressive behaviors. Therefore, addressing the nausea might alleviate the aggressive behaviors, which will ultimately increase the quality of life for the patient as well as their family.”

One in 59 children in the United States is diagnosed with autism spectrum disorder. Since the developmental disorder can affect an individual’s social skills, speech, and nonverbal communication, it can be difficult for those with the disorder to adequately communicate other health challenges, such as gastrointestinal discomfort, Ferguson noted.

He and his research team also found that the relationship between problem behaviors and gastrointestinal symptoms differed between young children and older children with autism.

While aggressive behavior in younger children — between 2 and 5 — was associated with upper gastrointestinal issues such as nausea and stomach pains, older children — 6 to 18 — with greater anxiety were more likely to experience lower gastrointestinal issues, such as constipation and diarrhea.

“These findings further highlight the importance of treating gastrointestinal issues in autism,” Ferguson said. “Many children and adolescents with autism spectrum disorder are often unable to verbally communicate their discomfort, which can lead to problem behavior as a means of communicating their discomfort.”

Ferguson added that since the study is correlational in nature, it is not clear if the gastrointestinal symptoms are causing the problem behavior or vice versa.

“Regardless, our team is examining the effects of propranolol, a beta blocker with stress-blocking effects, on constipation and other symptoms. We have to work quickly, because people are suffering and need answers now. We hope that our research will translate to better quality of life,” he said.

The study was published in Frontiers in Psychiatry.

Source: University of Missouri at Columbia

GI Symptoms Linked to Problem Behaviors In Autistic Kids

Janice Wood

Janice Wood is a long-time writer and editor who began working at a daily newspaper before graduating from college. She has worked at a variety of newspapers, magazines and websites, covering everything from aviation to finance to healthcare.

APA Reference
Wood, J. (2019). GI Symptoms Linked to Problem Behaviors In Autistic Kids. Psych Central. Retrieved on November 20, 2019, from https://psychcentral.com/news/2019/06/29/gastrointestinal-symptoms-linked-to-problem-behaviors-in-autistic-kids/148250.html
Scientifically Reviewed
Last updated: 28 Jun 2019 (Originally: 29 Jun 2019)
Last reviewed: By a member of our scientific advisory board on 28 Jun 2019
Published on Psych Central.com. All rights reserved.