Indoor allergens include dust, mold, pet dander, and cockroaches. Outdoor allergens
include pollens, mold, grasses, and trees.
You may already know that allergies make your asthma worse. If you think allergens
may be a problem, talk with your healthcare provider. He or she may advise you to
see an allergist. An allergist may do testing and provide treatment.
What you can do indoors:
Dust often with a damp cloth. You might
use a mask while cleaning.
Remove clutter that can collect dust or
grow mold. If possible, remove carpets and rugs.
Use exhaust fans in bathrooms and
Make sure air conditioners, heating units,
and appliances are clean. Change filters often.
Wash your bedding every week. Use
dust-proof pillow and mattress covers.
Keep pets out of your bedroom. Keep them
off furniture and rugs. Have pets groomed often.
Wash dishes and clean counters after
eating or making meals. This helps prevent cockroaches. Keep all foods in
sealed bags or containers.
Use home air filters and vacuums that can
decrease allergens. Change or clean filters as instructed.
What you can do outdoors:
Check the pollen counts in your area. Try
to stay indoors when levels are high.
Wash your hands when you come indoors if
allergen levels are high. Also think about bathing and changing your
Don't rake leaves or cut the grass if
these things bother you. Think about wearing a mask when you work in your