Asthma is most commonly triggered by "colds" (viral respiratory infections), or inhaled allergens such as dust mites, pollens, or pet danders. However, many children and adults with asthma find that intense exertion will also trigger chest tightness or cough due to asthma, especially running for long distances. Breathing very cold or very hot air, especially if under dry or windy conditions, will also frequently trigger bronchospasm, as will any type of irritant that is inhaled (smoke, paint fumes, perfume scents, etc.); sometimes a frozen drink or ice cream will be the trigger.
Once a trigger is identified, there are ways to avoid it or to at least control the situation. Your allergist can help identify the triggers that are important to you, and advise on safe options for preventing future asthma attacks.
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