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Physical Symptoms of Autism

Autism, sometimes called classic autism, is the most severe condition in a group of developmental issues known as the autism spectrum disorders. It is characterized by impaired communication and social interaction, and limited interests. Numerous physical symptoms and disorders are common in autism as well.

  1. Abnormal Walking Behavior

    • An autistic child may may walk only on her toes, or more slowly and with short steps. She also may bump into objects because she does not have appropriate awareness of her environment.

    Hypersensitivity

    • Many autistic children are hypersensitive to sensory stimulation, and may become very upset when touched, or when encountering bright lights or loud sounds.

    Repetitive Behavior

    • Another physical symptom of autism is repetitive behavior such as rocking, hand flapping or twirling. The child may rhythmically bang his head or grind his teeth.

    Chronic Gastrointestinal Ailments

    • According to the Autism Research Institute (ARI), many autistic children have chronic diarrhea, constipation, gastritis or colitis. The organization says evidence indicates many autistic children have lactose or gluten allergies or sensitivities, which may be causing the gastrointestinal problems.

    Low Sulfate Levels

    • GI endoscopy results in autistic children with gastrointestinal problems show that over 90 percent have very low sulfate levels, according to the ARI, which can cause significant problems in natural detoxification processes.

    Co-Existing Disorders

    • The National Institute of Neurological Disorders and Stroke (NINDS) finds that autistic children have a higher risk for co-existing disorders such as tuberous sclerosis and Tourette syndrome. Additionally, up to 30 percent of autistic children develop epilepsy.

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