Triggers are things that can make asthma worse in susceptible people by irritating inflamed airways. Here is a list of common triggers:
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Allergies
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Yes
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No
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Pollens (trees, grasses, ragweed)
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Molds
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Animals and animal products (dander, wool, feathers, down pillows)
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Insect parts and dust mites
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Note: Dust is a problem only if it has an allergen content to which the person is allergic. Sources of dust in the home include:
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Cloth upholstery, carpets, draperies
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Brooms and dusters
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Dirty air filters on furnaces
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Leaky vacuum cleaners
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Respiratory Infections
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Common cold virus
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Flu virus
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Sinusitis
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Irritants
Household vapors and sprays:
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Vapors (Cleaning solvents, paint, paint thinner, shellac, varnish)
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Aerosol sprays (Furniture polish, oven cleaners, starch, room deodorizers)
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Personal products (Spray deodorant, hair spray, perfumes, colognes)
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Industrial dusts, vapors, and fumes:
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Wood products (western red cedar)
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Flour, cereals, grains, cotton
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Metals (Platinum, chromium)
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Mold (Hay)
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Air Pollution
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Air pollution and traffic jams
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Parking garages
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Smoke-filled rooms
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Wood fires, barbecues
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Exercise
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Medication may have to be used before exercise
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Wheezing sometimes begins during exercise as airways dry out
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Exercise indoors on the coldest days
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Nighttime
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Increase in airway inflammation
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Stomach acid and heartburn
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Postnasal drainage leading to coughing
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Weather
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Seasonal changes (May trigger allergies due to pollen and mold spores)
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Humidity, wind, dryness
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Cold air may induce asthma in some people
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Weather fronts, especially in the fall
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Emotions
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Airway narrowing caused by laughing, crying, or yelling
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Fear, frustration, and anger
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Hormonal Changes
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Symptoms caused by changes in hormonal balance during menstrual cycle or pregnancy
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Health Problems
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Infections and allergies
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Sinusitis
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Gastro esophageal reflux disease (GERD)
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