Buy mattress and pillow casings that are impermeable to dust mites. Avoid feather comforters and feather or foam rubber pillows . Foam rubber produces a haven for mites. Bedding should be washed every two weeks. Dust with a damp cloth and vacuum frequently .
Small particles irritate asthmatic airways.
Wipe walls and ceilings with a damp mop. Vacuum air and heating vents. Beware of vacuum cleaner backdraft . Keep clutter to a minimum . Stuffed animals offer a paradise for mites.