The Asthma Society of Canada
This web accessibility icon serves as a link to download essential accessibility assistive technology software for individuals with physical disabilities.
AQHI Subscribe Contact Us
About Asthma
Taking Control
Exercise & Sports
Pets & Other Animals
Air Pollution & Outdoor Triggers
Indoor Triggers - Home & Work

Exercise & Sports

Main | The Role of Relievers

Having asthma does not mean that you cannot exercise. However, if you have any limitations in your ability to exercise because of your asthma, your asthma is not being controlled properly.

Girl on Treadmill

If your asthma is not controlled and you exercise, you may experience worsening symptoms. If this it the case, you need to take steps to first regain total asthma control prior to resuming your exercise program. The inability to exercise without symptoms is a sign of poor asthma control. Talk to your doctor about this. Once you have total control, you will be able to exercise without asthma symptoms.

Man coughing

If your asthma is under control and you experience asthma symptoms five or 10 minutes after exercising, this is probably due to exercise-induced asthma.

Exercise-induced asthma occurs because the airways are sensitive to temperature and humidity changes, especially when breathing in cold, dry air through the mouth. Air that passes through the mouth is bypassing the nose, which normally humidifies and warms the air prior to its reaching the lungs.

The diagnosis of exercise-induced asthma is made by performing a breathing test (spirometry) at rest and then again following exercise. If there is a measured decrease in the speed of air that can be breathed out following exercise, this indicates exercise-induced asthma, or EIA, is present.

Girl using spirometer

Contributing factors to exercise-induced asthma include:

  • How long you exercise
  • How hot or cold it is
  • How humid it is
  • Whether allergens, air pollution or other possible triggers are present while you exercise

It's important to note that the benefits of regular exercise almost always outweigh the risks associated with exercise-induced asthma.

These benefits include:

  • Improved efficiency of the heart and lungs
  • Increased muscle strength and endurance
  • Improved flexibility and posture
  • Improved ability to relax

If you're unsure whether your symptoms are due to exercise induced asthma, or are the signs of worsening asthma control, talk to your doctor.

Once you and your doctor have established what your exercise regimen should be, keep the following in mind:

  • Take your medication before starting to exercise if advised.
  • Start your regimen slowly. Take your time before attempting more demanding exercises.
  • Always warm up before exercising, and cool down after.
  • If you develop symptoms while you are exercising, stop and rest. Take your reliever medication.
  • If you usually exercise outdoors and it's cold out, opt for indoor exercise.
  • If you usually exercise outdoors and the pollution or pollen counts are high, exercise indoors instead.

NEW! Download your own Guide for Being Active and Healthy with Asthma- Click Here.

Are You Active With Your Asthma?

Join "Team Asthma" and raising money and awareness about asthma and prove that asthma does not stop you from reaching your goals by clicking here!

NEW! Asthma Plan of Action: What Physical Educators and Coaches Need to Know - Click Here.


Do You Know Your Triggers?

Learn what things can cause asthma symptoms - and how you can avoid them. Plus, find out why, despite what you might think, you could be more affected by indoor triggers than outdoor triggers. For more information, read the Asthma Basics Booklet #2: Triggers

Download PDF

Get Acrobat Reader

Brought to you by the Asthma Society of Canada

  Home | Legal & Privacy | Credits | Sponsors| Glossary| Last updated: July 2017  

Imagine Canada
The ASC is an Imagine Canada's Ethical Code charity
HCCC We subscribe to the
HONcode principles
Verify here
We subscribe to the HONcode principles of the HON Foundation. Click to verify.

DISCLAIMER: Content on this website is for information purposes only andnot a substitute for a qualified medical professional.
For specific information treatment and management your asthma and/or potential side effects of medications and
treatment, please consult your physician.