Up to 30% of folks with asthma are allergic to dogs and other household animals, according to the ACAAI. If you can't part with your pet, keep him out of your bedroom, bathe him once a week, and wash hands after petting him.
2 of 8
Smoke irritates the linings of your airways, making you more susceptible to an asthma attack.
So don't let anyone smoke in your house or in your car, and try not to use wood-burning stoves or fireplaces.
3 of 8
Up to 90% of people with allergic asthma are sensitive to mites. Use a vacuum with a HEPA filter, which traps small particles other filters allow to recirculate, and buy allergen-resistant bedding (or wash regular bedding in hot water as often as possible).
4 of 8
Keep the humidity in your house under 50% to avoid growing mold, which can trigger an asthma attack, and fix leaky faucets and pipes as soon as you notice a problem.
If your asthma is severe, keep plants outdoorsómolds love potting soil.
5 of 8
Cold air can constrict airways, especially for people with asthma. When outside in winter, cover your nose and mouth with a scarf.
6 of 8
Plug-in room air fresheners
These may spew ozone and volatile organic compounds (VOCs), both of which can aggravate your airways.
7 of 8Getty Images
If you have an attached garage, don't start the car and let it run for too long. Automotive fumes can make their way into the house and irritate your lungs.
8 of 8Getty Images
Cockroaches and mice
The problem isn't just themit's also what they leave behind. After calling in an exterminator, wash dishes right after you eat and empty the trash often to prevent recurrences.