Common Asthma Triggers
If you have asthma, an asthma attack can happen when you are exposed to “asthma triggers.” Your triggers can be very different from those of someone else with asthma. Know your triggers and learn how to avoid them. Watch out for an attack when you can’t avoid the triggers. Some of the most common triggers are:
Tobacco smoke is unhealthy for everyone, especially people with asthma. If you have asthma and you smoke, quit smoking.
“Secondhand smoke” is smoke created by a smoker and breathed in by a second person. Secondhand smoke can trigger an asthma attack. If you have asthma, people should never smoke near you, in your home, in your car, or wherever you may spend a lot of time.
Dust mites are tiny bugs that are in almost every home. If you have asthma, dust mites can trigger an asthma attack. To prevent attacks, use mattress covers and pillowcase covers to make a barrier between dust mites and yourself. Don’t use down-filled pillows, quilts, or comforters. Remove stuffed animals and clutter from your bedroom. Wash your bedding on the hottest water setting.
Outdoor Air Pollution
Outdoor air pollution can trigger an asthma attack. This pollution can come from factories, cars, and other sources. Pay attention to air quality forecasts on radio, television, and the Internet and check your newspaper to plan your activities for when air pollution levels will be low.
Cockroaches and their droppings can trigger an asthma attack. Get rid of cockroaches in your home by removing as many water and food sources as you can. Cockroaches are often found where food is eaten and crumbs are left behind. At least every 2 to 3 days, vacuum or sweep areas that might attract cockroaches. Use roach traps or gels to cut down on the number of cockroaches in your home.
Breathing in mold can trigger an asthma attack. Get rid of mold in your home to help control your attacks. Humidity, the amount of moisture in the air, can make mold grow. An air conditioner or dehumidifier will help you keep the humidity level low. Get a small tool called a hygrometer to check humidity levels and keep them as low as you can—no higher than 50%. Humidity levels change over the course of a day, so check the humidity levels more than once a day. Fix water leaks, which let mold grow behind walls and under floors.
Smoke From Burning Wood or Grass
Smoke from burning wood or other plants is made up of a mix of harmful gases and small particles. Breathing in too much of this smoke can cause an asthma attack. If you can, avoid burning wood in your home. If a wildfire is causing poor air quality in your area pay attention to air quality forecasts on radio, television, and the Internet and check your newspaper to plan your activities for when air pollution levels will be low.
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