Merck Frosst
Patients and Caregivers

You are not alone

Asthma is more common than many people think. It is estimated that over 150 million people worldwide have this disease. Unfortunately, a great many do not even know it! Five to ten percent of Canadian adults suffer from asthma. Among children in Canada, the situation may be even worse, with as many as 20 percent affected.






Asthma in Canada

  • Asthma is the third leading cause of work loss
  • Among children, asthma is one of the leading reasons for:
  • Being absent from school
  • Being taken to hospital emergency departments

  • Left uncontrolled, asthma can be dangerous:
  • Approximately 20 children and 500 adults in Canada die each year from asthma

This site is for residents of Canada. / This site was updated on August 26th, 2008.