Scientific studies show that weather can affect asthma symptoms. Some people find their asthma symptoms are worse at certain times of the year. For others, a severe storm or sudden weather change may trigger an attack.
Cold, dry air is a common asthma trigger and can cause severe symptoms, especially for people who play winter sports and have asthma symptoms when they exercise. Hot, humid air also can trigger asthma symptoms. In certain areas, heat and sunlight combine with pollutants to create ground-level ozone, which can be a strong asthma trigger.
Wet weather (which encourages the growth of mold) and windy weather (which blows pollen and mold in the air) can cause problems, too.
If you think weather may be triggering your asthma, work with your doctor to track your symptoms using an asthma symptoms trigger diary. Talk to your doctor about allergy testing if you think that your asthma symptoms may be triggered by pollen, mold, or other allergens.
Once you've figured out what kind of air quality or weather affects you, here are some steps you can take:
Reviewed by: Elana Pearl Ben-Joseph, MD
Date reviewed: October 2010
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