10 triggers that can cause an asthma attack

Irritants such as smoke, gases, fumes, or perfumes
Viral infections such as a sore throat, cold, or flu
Emotional stress
Allergens (pollen, mold, cockroaches, dust mites, or pet dander)
Cold air, windy weather, or a sudden change in air pressure
Exercise
Aspirin and aspirin products
Foods treated with sulfites
Drugs and medications
Female sex hormones

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