Work with your doctor to find out what you're allergic to. When you know what triggers your allergies, you can take steps to control those allergens in your home. It's especially important to prevent allergens in your bedroom.

• Clean often.

  Regular housecleaning can help prevent allergens from building up.

• Control dust and dust mites, Opens dialog.

  Dust contains most of the allergens in your home. Dust and vacuum regularly, and wash bedding in hot water.

• Control animal dander, Opens dialog and other pet allergens.

  For example, keep pets out of your bedroom. Keep your pet in areas that have hard floors, which are easier to clean than carpeted floors.

• Remove items where allergens build up.

  Examples include stuffed animals and rugs.

• Control molds.

  For example, clean bathtubs and showers with soap and water, mold-killing products, or liquid bleach mixed with water. Try to keep your house aired out and dry.

• Avoid indoor air pollution.

  Polluted air doesn't cause allergies, but it can irritate the nose and lungs. This may make it more likely that you will have symptoms.

  • Avoid tobacco smoke, smoke from wood-burning stoves, and fumes from kerosene heaters.
  • If you have a wood-burning stove, try to use one that is airtight and doesn't leak smoke into your home.