Title: Autism Spectrum Disorder URL Source: http://medlineplus.gov/autismspectrumdisorder.html Markdown Content: [](http://medlineplus.gov/autismspectrumdisorder.html)[Skip navigation](http://medlineplus.gov/autismspectrumdisorder.html#start) ![Image 2](https://medlineplus.gov/uswds/img/us_flag_small.png) An official website of the United States government Here’s how you know Here’s how you know ![Image 3](https://medlineplus.gov/uswds/img/icon-dot-gov.svg) **Official websites use .gov** A **.gov** website belongs to an official government organization in the United States. ![Image 4](https://medlineplus.gov/uswds/img/icon-https.svg) **Secure .gov websites use HTTPS** A **lock** ( ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 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"Email this page to a friend")[![Image 8: Print](https://medlineplus.gov/images/i_share_print.png)](http://medlineplus.gov/autismspectrumdisorder.html# "Print")[![Image 9: Facebook](https://medlineplus.gov/images/i_share_fb.png)](http://medlineplus.gov/autismspectrumdisorder.html# "Facebook")[![Image 10: X](https://medlineplus.gov/images/i_share_twitter.png)](http://medlineplus.gov/autismspectrumdisorder.html# "X")[![Image 11: Pinterest](https://medlineplus.gov/images/i_share_pinterest.png)](http://medlineplus.gov/autismspectrumdisorder.html# "Pinterest")[![Image 12: Subscribe to RSS](https://medlineplus.gov/images/i_share_rss.png)](https://medlineplus.gov/feeds/topics/autismspectrumdisorder.xml "Subscribe to RSS") On this page ### Basics * [Summary](http://medlineplus.gov/autismspectrumdisorder.html#summary "Go to: Summary") * [Start Here](http://medlineplus.gov/autismspectrumdisorder.html#cat_51 "Go to: Start Here") * [Symptoms](http://medlineplus.gov/autismspectrumdisorder.html#cat_95 "Go to: Symptoms") * [Diagnosis and Tests](http://medlineplus.gov/autismspectrumdisorder.html#cat_92 "Go to: Diagnosis and Tests") * [Learn More](http://medlineplus.gov/autismspectrumdisorder.html#cat_76 "Go to: Learn More") * [Treatments and Therapies](http://medlineplus.gov/autismspectrumdisorder.html#cat_78 "Go to: Treatments and Therapies") ### Learn More * [Living With](http://medlineplus.gov/autismspectrumdisorder.html#cat_77 "Go to: Living With") * [Related Issues](http://medlineplus.gov/autismspectrumdisorder.html#cat_47 "Go to: Related Issues") * [Genetics](http://medlineplus.gov/autismspectrumdisorder.html#cat_46 "Go to: Genetics") ### See, Play and Learn * [Health Check Tools](http://medlineplus.gov/autismspectrumdisorder.html#cat_48 "Go to: Health Check Tools") ### Research * [Statistics and Research](http://medlineplus.gov/autismspectrumdisorder.html#cat_79 "Go to: Statistics and Research") * [Clinical Trials](http://medlineplus.gov/autismspectrumdisorder.html#cat_27 "Go to: Clinical Trials") * [Journal Articles](http://medlineplus.gov/autismspectrumdisorder.html#cat_59 "Go to: Journal Articles") ### Resources * [Find an Expert](http://medlineplus.gov/autismspectrumdisorder.html#cat_83 "Go to: Find an Expert") ### For You * [Children](http://medlineplus.gov/autismspectrumdisorder.html#cat_8 "Go to: Children") * [Teenagers](http://medlineplus.gov/autismspectrumdisorder.html#cat_24 "Go to: Teenagers") * [Adults](http://medlineplus.gov/autismspectrumdisorder.html#cat_50 "Go to: Adults") * [Patient Handouts](http://medlineplus.gov/autismspectrumdisorder.html#cat_69 "Go to: Patient Handouts") [](http://medlineplus.gov/autismspectrumdisorder.html) ## 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 [](http://medlineplus.gov/autismspectrumdisorder.html) ## Start Here Collapse Section * [Autism](https://www.niehs.nih.gov/health/topics/conditions/autism)![Image 13: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institute of Environmental Health Sciences) * [Autism Spectrum Disorder](https://www.nimh.nih.gov/health/publications/autism-spectrum-disorder)![Image 14: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institute of Mental Health) Also in [Spanish](https://www.nimh.nih.gov/health/publications/espanol/trastornos-del-espectro-autista) * [Autism Spectrum Disorder (ASD)](https://www.nichd.nih.gov/health/topics/autism)![Image 15: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in [Spanish](https://espanol.nichd.nih.gov/salud/temas/autism/informacion) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Symptoms Expand Section * [Signs and Symptoms of Autism Spectrum Disorder](https://www.cdc.gov/autism/signs-symptoms/) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/autism/es/signs-symptoms/signos-y-sintomas-de-los-trastornos-del-espectro-autista.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Diagnosis and Tests Expand Section * [Autism Spectrum Disorder (ASD) Screening](https://medlineplus.gov/lab-tests/autism-spectrum-disorder-asd-screening/)![Image 16: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) Also in [Spanish](https://medlineplus.gov/spanish/pruebas-de-laboratorio/evaluacion-de-trastornos-del-espectro-autista-tea/) * [PTEN Genetic Test](https://medlineplus.gov/lab-tests/pten-genetic-test/)![Image 17: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) Also in [Spanish](https://medlineplus.gov/spanish/pruebas-de-laboratorio/prueba-genetica-del-pten/) * [Screening and Diagnosis: Identifying Autism](https://autismsociety.org/screening-diagnosis/) * [Screening for Autism Spectrum Disorder](https://www.cdc.gov/autism/diagnosis/) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/autism/es/diagnosis/pruebas-para-la-deteccion-de-los-trastornos-del-espectro-autista.html) * [Why Act Early if You're Concerned about Development?](https://www.cdc.gov/act-early/families/why-act-early.html) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/act-early/es/families/why-act-early.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Learn More Expand Section * [How Can I Help Someone with Autism?](https://kidshealth.org/en/teens/help-autism.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/teens/help-autism.html) * [New Autism Diagnosis](https://autismsociety.org/resources/new-autism-diagnosis/) (Autism Society of America Foundation) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Treatments and Therapies Expand Section * [Occupational Therapy](https://www.autismspeaks.org/occupational-therapy) (Autism Speaks) * [Treatment and Intervention for Autism Spectrum Disorder](https://www.cdc.gov/autism/treatment/) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/autism/es/treatment/tratamientos-e-intervenciones-para-los-trastornos-del-espectro-autista.html) * [What Are the Treatments for Autism?](https://www.nichd.nih.gov/health/topics/autism/conditioninfo/treatments)![Image 18: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in [Spanish](https://espanol.nichd.nih.gov/salud/temas/autism/informacion/tratamientos) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Living With Expand Section * [Individualized Education Programs (IEPs)](https://kidshealth.org/en/parents/iep.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/parents/iep.html) * [Nutrition for Your Child with Autism Spectrum Disorder (ASD)](https://www.eatright.org/health/health-conditions/intellectual-and-developmental-disabilities/nutrition-for-your-child-with-autism-spectrum-disorder-asd) (Academy of Nutrition and Dietetics) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Related Issues Expand Section * [Autism Spectrum Disorder: Communication Problems in Children](https://www.nidcd.nih.gov/health/autism-spectrum-disorder-communication-problems-children)![Image 19: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institute on Deafness and Other Communication Disorders) Also in [Spanish](https://www.nidcd.nih.gov/es/espanol/problemas-de-comunicacion-en-los-ninos-con-trastornos-del-espectro-autista) * [Frequently Asked Questions about Autism Spectrum Disorder](https://www.cdc.gov/autism/faq/) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/autism/es/faq/preguntas-frecuentes-sobre-los-trastornos-del-espectro-autista.html) * [Is There a Connection Between Vaccines and Autism?](https://kidshealth.org/en/parents/autism-studies.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/parents/autism-studies.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Genetics Expand Section * [16p11.2 deletion syndrome: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/16p112-deletion-syndrome)![Image 20: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) * [About Autism](https://www.genome.gov/Genetic-Disorders/Autism)![Image 21: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Human Genome Research Institute) * [ADNP syndrome: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/adnp-syndrome)![Image 22: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) * [Autism spectrum disorder: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/autism-spectrum-disorder)![Image 23: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) * [MBD5-associated neurodevelopmental disorder: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/mbd5-associated-neurodevelopmental-disorder)![Image 24: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) * [Timothy syndrome: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/timothy-syndrome)![Image 25: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) * [White-Sutton syndrome: MedlinePlus Genetics](https://medlineplus.gov/genetics/condition/white-sutton-syndrome)![Image 26: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Library of Medicine) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Health Check Tools Expand Section * [CDC's Developmental Milestones](https://www.cdc.gov/act-early/milestones/) (Centers for Disease Control and Prevention) Also in [Spanish](https://www.cdc.gov/act-early/es/milestones/index.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Statistics and Research Expand Section * [Data and Statistics on Autism Spectrum Disorder](https://www.cdc.gov/autism/data-research/) (Centers for Disease Control and Prevention) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Clinical Trials Expand Section * [ClinicalTrials.gov: Asperger Syndrome](https://clinicaltrials.gov/search?cond=%22Asperger+Syndrome%22&aggFilters=status:not%20rec)![Image 27: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institutes of Health) * [ClinicalTrials.gov: Autism Spectrum Disorder](https://clinicaltrials.gov/search?cond=%22Autism+Spectrum+Disorder%22&aggFilters=status:not%20rec)![Image 28: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institutes of Health) * [ClinicalTrials.gov: Autistic Disorder](https://clinicaltrials.gov/search?cond=%22Autistic+Disorder%22&aggFilters=status:not%20rec)![Image 29: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institutes of Health) * [ClinicalTrials.gov: Child Development Disorders, Pervasive](https://clinicaltrials.gov/search?cond=%22Child+Development+Disorders,+Pervasive%22&aggFilters=status:not%20rec)![Image 30: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) (National Institutes of Health) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine) Expand Section * [Article: Intermittent Theta Burst Stimulation Improves Sleep in Autism Spectrum Disorder by...](https://www.ncbi.nlm.nih.gov/pubmed/42590803) * [Article: "My child before and now": parental perceptions of changes in functioning...](https://www.ncbi.nlm.nih.gov/pubmed/42491294) * [Article: Effect of Probiotic Supplementation on Gut Microbiota in Children with Autism:...](https://www.ncbi.nlm.nih.gov/pubmed/42451083) * [Autism Spectrum Disorder -- see more articles](https://pubmed.ncbi.nlm.nih.gov/?term=%22Autism+Spectrum+Disorder%22%5Bmajr%3Anoexp%5D+AND+humans%5Bmh%5D+AND+english%5Bla%5D+AND+%22last+1+Year%22+%5Bedat%5D+AND+%28patient+education+handout%5Bpt%5D+OR+guideline%5Bpt%5D+OR+clinical+trial%5Bpt%5D%29++NOT+%28letter%5Bpt%5D+OR+case+reports%5Bpt%5D+OR+editorial%5Bpt%5D+OR+comment%5Bpt%5D%29+AND+free+full+text%5Bsb%5D+) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Find an Expert Expand Section * [Centers for Disease Control and Prevention](https://www.cdc.gov/) Also in [Spanish](https://www.cdc.gov/spanish/) * [Eunice Kennedy Shriver National Institute of Child Health and Human Development](https://www.nichd.nih.gov/)![Image 31: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) Also in [Spanish](https://espanol.nichd.nih.gov/) * [National Institute of Mental Health](https://www.nimh.nih.gov/)![Image 32: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) Also in [Spanish](https://www.nimh.nih.gov/health/topics/espanol) * [National Institute of Neurological Disorders and Stroke](https://www.ninds.nih.gov/)![Image 33: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) * [National Institute on Deafness and Other Communication Disorders](https://www.nidcd.nih.gov/)![Image 34: From the National Institutes of Health](https://medlineplus.gov/images/nih.png) * [Psychologist Locator](https://locator.apa.org/?partner=nlm) (American Psychological Association) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Children Expand Section * [What to Say: Answers for Teens with Autism](https://kidshealth.org/en/teens/autism-conversation.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/teens/autism-conversation.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Teenagers Expand Section * [Autism Spectrum Disorder](https://kidshealth.org/en/teens/autism.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/teens/autism.html) * [How to Make Friends When You Have Autism](https://kidshealth.org/en/kids/autism-friends.html) (Nemours Foundation) Also in [Spanish](https://kidshealth.org/es/kids/autism-friends.html) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Adults Expand Section * [Autism: The Challenges and Opportunities of an Adult Diagnosis](https://www.health.harvard.edu/mind-and-mood/autism-the-challenges-and-opportunities-of-an-adult-diagnosis) (Harvard Medical School) [](http://medlineplus.gov/autismspectrumdisorder.html) ## Patient Handouts Expand Section * [Autism spectrum disorder](https://medlineplus.gov/ency/article/001526.htm) (Medical Encyclopedia) Also in [Spanish](https://medlineplus.gov/spanish/ency/article/001526.htm) * [Autism spectrum disorder - Asperger syndrome](https://medlineplus.gov/ency/article/001549.htm) (Medical Encyclopedia) Also in [Spanish](https://medlineplus.gov/spanish/ency/article/001549.htm) * [Autism spectrum disorder - childhood disintegrative disorder](https://medlineplus.gov/ency/article/001535.htm) (Medical Encyclopedia) Also in [Spanish](https://medlineplus.gov/spanish/ency/article/001535.htm) ## Topic Image ![Image 35: Autism Spectrum Disorder](https://medlineplus.gov/images/Autism.jpg) ## MEDICAL ENCYCLOPEDIA * [Autism spectrum disorder](https://medlineplus.gov/ency/article/001526.htm) * [Autism spectrum disorder - Asperger syndrome](https://medlineplus.gov/ency/article/001549.htm) * [Autism spectrum disorder - childhood disintegrative disorder](https://medlineplus.gov/ency/article/001535.htm) ## Related Health Topics * [Child Behavior Disorders](https://medlineplus.gov/childbehaviordisorders.html) * [Child Development](https://medlineplus.gov/childdevelopment.html) * [Fragile X Syndrome](https://medlineplus.gov/fragilexsyndrome.html) ## National Institutes of Health The primary NIH organization for research on Autism Spectrum Disorder is the [National Institute of Mental Health](http://www.nimh.nih.gov/) ## NIH MedlinePlus Magazine * [6 Key Facts About Autism Spectrum Disorder](https://magazine.medlineplus.gov/article/6-key-facts-about-autism-spectrum-disorder) * [Embracing Autism Diagnosis Helps Family Take Charge](https://magazine.medlineplus.gov/article/embracing-autism-diagnosis-helps-family-take-charge) ## 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