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Autism Spectrum Disorder
URL of this page: https://medlineplus.gov/autismspectrumdisorder.html

Autism Spectrum Disorder

Also called: ASD, Pervasive developmental disorder (PDD)
On this page

Basics

  • Summary
  • Start Here
  • Symptoms
  • Diagnosis and Tests
  • Learn More
  • Treatments and Therapies

Learn More

  • Living With
  • Related Issues
  • Genetics

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  • Statistics and Research
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  • Journal Articles

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For You

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Summary

Autism spectrum disorder (ASD) is a neurological and developmental disorder that begins early in childhood and lasts throughout a person's life. It affects how a person acts and interacts with others, communicates, and learns. It includes what used to be known as Asperger syndrome and pervasive developmental disorders.

It is called a "spectrum" disorder because people with ASD can have a range of symptoms. People with ASD might have problems talking with you, or they might not look you in the eye when you talk to them. They may also have restricted interests and repetitive behaviors. They may spend a lot of time putting things in order, or they may say the same sentence again and again. They may often seem to be in their "own world."

At well-child checkups, the health care provider should check your child's development. If there are signs of ASD, your child will have a comprehensive evaluation. It may include a team of specialists, doing various tests and evaluations to make a diagnosis.

The causes of ASD are not known. Research suggests that both genes and environment play important roles.

There is currently no one standard treatment for ASD. There are many ways to increase your child's ability to grow and learn new skills. Starting them early can lead to better results. Treatments include behavior and communication therapies, skills training, and medicines to control symptoms.

NIH: National Institute of Child Health and Human Development

Start Here

  • Autism From the National Institutes of Health (National Institute of Environmental Health Sciences)
  • Autism Spectrum Disorder From the National Institutes of Health (National Institute of Mental Health) Also in Spanish
  • Autism Spectrum Disorder (ASD) From the National Institutes of Health (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in Spanish

Symptoms

  • Signs and Symptoms of Autism Spectrum Disorder (Centers for Disease Control and Prevention) Also in Spanish

Diagnosis and Tests

  • Autism Spectrum Disorder (ASD) Screening From the National Institutes of Health (National Library of Medicine) Also in Spanish
  • PTEN Genetic Test From the National Institutes of Health (National Library of Medicine) Also in Spanish
  • Screening and Diagnosis: Identifying Autism
  • Screening for Autism Spectrum Disorder (Centers for Disease Control and Prevention) Also in Spanish
  • Why Act Early if You're Concerned about Development? (Centers for Disease Control and Prevention) Also in Spanish

Learn More

  • How Can I Help Someone with Autism? (Nemours Foundation) Also in Spanish
  • New Autism Diagnosis (Autism Society of America Foundation)

Treatments and Therapies

  • Be Aware of Potentially Dangerous Products and Therapies that Claim to Treat Autism (Food and Drug Administration) Also in Spanish
  • Occupational Therapy (Autism Speaks)
  • Treatment and Intervention for Autism Spectrum Disorder (Centers for Disease Control and Prevention) Also in Spanish
  • What Are the Treatments for Autism? From the National Institutes of Health (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in Spanish

Living With

  • Individualized Education Programs (IEPs) (Nemours Foundation) Also in Spanish
  • Nutrition for Your Child with Autism Spectrum Disorder (ASD) (Academy of Nutrition and Dietetics)

Related Issues

  • Autism Spectrum Disorder: Communication Problems in Children From the National Institutes of Health (National Institute on Deafness and Other Communication Disorders) Also in Spanish
  • Frequently Asked Questions about Autism Spectrum Disorder (Centers for Disease Control and Prevention) Also in Spanish
  • Is There a Connection Between Vaccines and Autism? (Nemours Foundation) Also in Spanish

Genetics

  • 16p11.2 deletion syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • About Autism From the National Institutes of Health (National Human Genome Research Institute)
  • ADNP syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Autism spectrum disorder: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • MBD5-associated neurodevelopmental disorder: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Timothy syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • White-Sutton syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)

Health Check Tools

  • CDC's Developmental Milestones (Centers for Disease Control and Prevention) Also in Spanish

Statistics and Research

  • Data and Statistics on Autism Spectrum Disorder (Centers for Disease Control and Prevention)

Clinical Trials

  • ClinicalTrials.gov: Asperger Syndrome From the National Institutes of Health (National Institutes of Health)
  • ClinicalTrials.gov: Autism Spectrum Disorder From the National Institutes of Health (National Institutes of Health)
  • ClinicalTrials.gov: Autistic Disorder From the National Institutes of Health (National Institutes of Health)
  • ClinicalTrials.gov: Child Development Disorders, Pervasive From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: In-home Tele-assessment for Autism in Toddlers: Validity, Reliability, and Caregiver Satisfaction...
  • Article: ChatGPT-Delivered Physical Activity Intervention for Children With Autism Spectrum Disorder: Pre-Post...
  • Article: The impact of sensory integration based sports training on motor and...
  • Autism Spectrum Disorder -- see more articles

Find an Expert

  • Centers for Disease Control and Prevention Also in Spanish
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development From the National Institutes of Health Also in Spanish
  • National Institute of Mental Health From the National Institutes of Health Also in Spanish
  • National Institute of Neurological Disorders and Stroke From the National Institutes of Health
  • National Institute on Deafness and Other Communication Disorders From the National Institutes of Health
  • Psychologist Locator (American Psychological Association)

Children

  • How to Talk with Friends When You Have Autism (Nemours Foundation) Also in Spanish

Teenagers

  • Autism Spectrum Disorder (Nemours Foundation) Also in Spanish
  • How to Make Friends When You Have Autism (Nemours Foundation) Also in Spanish

Adults

  • Autism: The Challenges and Opportunities of an Adult Diagnosis (Harvard Medical School)

Patient Handouts

  • Autism spectrum disorder (Medical Encyclopedia) Also in Spanish
  • Autism spectrum disorder - Asperger syndrome (Medical Encyclopedia) Also in Spanish
  • Autism spectrum disorder - childhood disintegrative disorder (Medical Encyclopedia) Also in Spanish

Topic Image

Autism Spectrum Disorder

MEDICAL ENCYCLOPEDIA

  • Autism spectrum disorder
  • Autism spectrum disorder - Asperger syndrome
  • Autism spectrum disorder - childhood disintegrative disorder

Related Health Topics

  • Child Behavior Disorders
  • Child Development
  • Fragile X Syndrome

National Institutes of Health

The primary NIH organization for research on Autism Spectrum Disorder is the National Institute of Mental Health

NIH MedlinePlus Magazine

  • 6 Key Facts About Autism Spectrum Disorder
  • Embracing Autism Diagnosis Helps Family Take Charge

Disclaimers

MedlinePlus links to health information from the National Institutes of Health and other federal government agencies. MedlinePlus also links to health information from non-government Web sites. See our disclaimer about external links and our quality guidelines.

The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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