Autism spectrum disorder (ASD)

Learn about autism spectrum disorder, its causes, signs and symptoms, health effects and available support. Also find information on surveillance and guidance for professionals.

Services and information


Learn about autism spectrum disorder.


Causes of autism spectrum disorder.

Signs and symptoms

Signs and symptoms of autism spectrum disorder.

ASD and Co-Occurring Health Conditions

Health effects and conditions commonly seen in those with autism spectrum disorder.

ASD therapies and supports

Therapies and supports available to help those who have autism spectrum disorder.


How autism spectrum disorder is monitored.

For professionals

Detailed information on screening, diagnosis, key publications and resources.

National autism strategy

About Canada’s national autism strategy and existing federal initiatives to support the community.

What we are doing

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