What Is Asthma?

Doctors define asthma as a “chronic inflammatory disease of the airway.”

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How To Tell You Have Asthma

Learn about the signs & symptoms of asthma and proper diagnosis.

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Newly Diagnosed? Start Here

Access information and educational resources on living with asthma.

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Medications & Treatment

Learn about the different types of asthma medications and treatment options available.

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Common Asthma Triggers

Triggers often lead to asthma attacks. A trigger is any thing or condition that causes inflammation in the airways, which then leads to asthma symptoms.

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Asthma In Children

Asthma affects the lives of over 850,000 children in Canada. Find out how to best manage your children’s asthma.

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Severe Asthma

What is Severe Asthma? Symptoms, diagnosis, and treatment.

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COVID-19 & Asthma

Those with chronic diseases like asthma are at a higher risk of serious symptoms from illness, including COVID-19. Find out how to minimize your risk.

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What’s New

COVID-19 & Asthma

Asthma & Influenza

Asthma In Older Adults

Certified Products


Asthma education is key to taking control of your disease and living life symptom-free. If you know how to manage your asthma, you can avoid asthma attacks and stay active.


We advocate for change on issues important to the asthma community, like access to medication. Learn more about how our advocacy initiatives are helping Canadians breathe easy.

Advocacy Initiatives




Our National Research Program supports research into both early-onset and late-onset asthma. Together we are working to further our understanding of asthma and one day unlock a cure.

You Can Help Stop Asthma Attacks

There are over 3.8 million Canadians living with asthma in Canada, and every year an estimated 250 Canadians lose their lives to the disease. You can help change that. By supporting Asthma Canada, you fund asthma education, advocacy and research to stop asthma attacks today, and unlock a cure tomorrow. 


Managing Your Asthma During The Pandemic

Break Over-Reliance: Are you over relying on your reliever inhaler?

Back To School & Asthma: What You Need To Know