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Stay away from asthma triggers

Asthma triggers - stay away from; Asthma triggers - avoiding; Reactive airway disease - triggers; Bronchial asthma - triggers

It is important to know what things make your asthma worse. These are called asthma "triggers." Avoiding them is your first step toward feeling better.

Our homes can be filled with asthma triggers, found within:

  • The air we breathe
  • Furniture and carpets
  • Our pets

Stay Away From Smoking

If you smoke, ask your health care provider for help quitting. No one should smoke in your house. This includes you and your visitors.

Smokers should smoke outside and wear a coat. The coat will keep smoke particles from sticking to their clothes. They should leave the coat outside or away from your child.

Ask people who work at your child's day care, preschool, school, and anyone else who takes care of your child, if they smoke. If they do, make sure they do not smoke near your child.

Stay away from restaurants and bars that allow smoking. Or ask for a table as far away from smokers as possible.

Pollen

When pollen levels are high:

  • Stay indoors and keep doors and windows closed. Use an air conditioner if you have one.
  • Save outside activities for late afternoon or after a heavy rain.
  • Wear a facemask while you are doing outdoor activities.
  • DO NOT dry clothes outdoors. Pollen will stick to them. Have someone who does not have asthma cut the grass, or wear a facemask if you must do it.

Dust Mites

You can take several steps to limit exposure to dust mites.

  • Wrap mattresses, box springs, and pillows in mite-proof covers.
  • Wash bedding and pillows once a week in hot water (130°F to 140°F [54°C to 60°C]).
  • If you can, get rid of upholstered furniture. Use wooden, leather, or vinyl furniture instead.
  • Keep indoor air dry. Try to keep the humidity level lower than 50%.
  • Wipe away dust with a damp cloth and vacuum once a week. Use a vacuum cleaner with a HEPA (high-efficiency particulate arrestor) filter.
  • Replace wall-to-wall carpet with wood or other hard flooring.
  • Keep stuffed toys off the beds, and wash them weekly.
  • Replace slatted blinds and cloth draperies with pull-down shades. They will not collect as much dust.
  • Keep closets clean and closet doors closed.

Mold Spores

Keeping indoor humidity at less than 50% will keep mold spores down. To do so:

  • Keep sinks and tubs dry and clean.
  • Fix leaky pipes.
  • Empty and wash refrigerator trays that collect water from the freezer.
  • Defrost your refrigerator often.
  • Use an exhaust fan in the bathroom when you are showering.
  • DO NOT let damp clothes sit in a basket or hamper.
  • Clean or replace shower curtains when you see mold on them.
  • Check your basement for moisture and mold.
  • Use a dehumidifier to keep the air dry.

Pets can Make Asthma Worse

Keep pets with fur or feathers outside, if possible. If pets stay inside, keep them out of bedrooms and off upholstered furniture and carpets.

Wash pets once a week if possible.

If you have a central air conditioning system, use a HEPA filter to remove pet allergens from indoor air. Use a vacuum cleaner with HEPA filters.

Wash your hands and change your clothes after playing with your pet.

Roaches and Rodents

Keep kitchen counters clean and free of food crumbs. DO NOT leave dirty dishes in the sink. Keep food in closed containers.

DO NOT let trash pile up inside. This includes bags, newspapers, and cardboard boxes.

Use roach traps. Wear a dust mask and gloves if you touch or are near rodents.

Other Triggers to Watch Out for

DO NOT use wood-burning fireplaces. If you need to burn wood, use an airtight wood-burning stove.

DO NOT use perfumes or scented cleaning sprays. Use trigger sprays instead of aerosols.

Discuss any other possible triggers with your health care provider and how to avoid them.

References

Custovic A, Tovery E. Allergen control for prevention and management of allergic diseases. In: Adkinson NF Jr, Bochner BS, Burks AW, et al, eds. Middleton's Allergy Principles and Practice. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 86.

Durrani SR, Busse WW. Management of asthma in adolescents and adults. In: Adkinson NF Jr, Bochner BS, Burks AW, et al, eds. Middleton's Allergy Principles and Practice. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 55.

Sveum R, Bergstrom J, Brottman G, et al. Institute for Clinical Systems Improvement. Diagnosis and management of asthma. Updated July 2012. www.icsi.org/_asset/rsjvnd/Asthma-Interactive0712.pdf. Accessed April 11, 2016.

    • Dust mite-proof pillow cover

      Dust mite-proof pillow cover - illustration

      To help decrease the amount of dust mites encase mattresses, box springs, and pillows with mite-proof covers. Further methods consist of washing bedding once a week in hot water, and dusting with a wet cloth once a week. Carpets can be a significant source of dust mites and should be vacuumed weekly with a vacuum cleaner containing a HEPA filter. Wooden and leather furniture is also another way to reduce the dust mite population in the home.

      Dust mite-proof pillow cover

      illustration

    • HEPA air filter

      HEPA air filter - illustration

      A HEPA (High Efficiency Particle Arresting) filter can remove the majority of harmful particles, including mold spores, dust, dust mites, pet dander and other irritating allergens from the air. Along with other methods to reduce allergens, such as frequent dusting, the use of a HEPA filtration system can be a helpful aid in controlling the amount of allergens circulating in the air. HEPA filters can be found in most air purifiers, which are usually small and portable.

      HEPA air filter

      illustration

      • Dust mite-proof pillow cover

        Dust mite-proof pillow cover - illustration

        To help decrease the amount of dust mites encase mattresses, box springs, and pillows with mite-proof covers. Further methods consist of washing bedding once a week in hot water, and dusting with a wet cloth once a week. Carpets can be a significant source of dust mites and should be vacuumed weekly with a vacuum cleaner containing a HEPA filter. Wooden and leather furniture is also another way to reduce the dust mite population in the home.

        Dust mite-proof pillow cover

        illustration

      • HEPA air filter

        HEPA air filter - illustration

        A HEPA (High Efficiency Particle Arresting) filter can remove the majority of harmful particles, including mold spores, dust, dust mites, pet dander and other irritating allergens from the air. Along with other methods to reduce allergens, such as frequent dusting, the use of a HEPA filtration system can be a helpful aid in controlling the amount of allergens circulating in the air. HEPA filters can be found in most air purifiers, which are usually small and portable.

        HEPA air filter

        illustration

      A Closer Look

       

      Self Care

       

      Review Date: 2/15/2016

      Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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