Autism
SpecialtyPsychiatry
SymptomsTrouble with social interaction, impaired communication, restricted interests, repetitive behavior
ComplicationsSocial isolation, employment problems, family stress, bullying
Usual onsetBy age two or three
DurationLong-term
CausesGenetic and environmental factors
Diagnostic methodBased on behavior and developmental history
Differential diagnosisReactive attachment disorder, intellectual disability, schizophrenia
TreatmentBehavioral therapy, speech therapy, psychotropic medication
MedicationAntipsychotics, antidepressants, stimulants (associated symptoms)
PrognosisFrequently poor
Frequency24.8 million (2015)