autistic disorder

An autism spectrum disorder that is characterized by symptoms across all three symptom domains (communication, social, restricted repetitive interests and behaviors), delayed language development, and symptom onset prior to age 3 years.

Signs and symptoms

• EEG abnormality
• Seizure
• Increased serum serotonin
• Delayed speech and language development
• Autism
• Reduced ability to form peer relationships
• Restrictive behavior
• Motor stereotypy
• Abnormal nonverbal communicative behavior
• Lack of spontaneous play

Medications that may treat it

fenfluramine quetiapine risperidone venlafaxine

Also known as: Kanner's syndrome; autism; autistic disorder of childhood onset; childhood autism; infantile autism