Wash the sheets and blankets on your bed each week in hot water. Dehumidifiers or central air conditioners can do this. Try not to sleep or lie on cloth-covered cushions or furniture. Remove carpets from your bedroom and those laid on concrete, if you can. Keep stuffed toys out of the bed or wash the toys weekly in hot water.
Some people are allergic to the flakes of skin or dried saliva from animals with fur or feathers.
Cover the air vents in your bedroom with heavy material to filter the air. Remove carpets and furniture covered with cloth from your home. If that is not possible, keep the pet out of the rooms where these are. Cockroach Many people with asthma are allergic to the dried droppings and remains of cockroaches. Keep all food out of your bedroom.