If carpeting must be used, select low pile varieties. Hardwood, tile or linoleum floors are much easier to keep clean and dust-free. The same is true of wooden, leather or plastic-covered sofas and chairs. Do not allow children with dust allergies to sleep or play with stuffed, furry toys. Encase mattress, box springs, and pillows in allergen-impermeable covers.
Bedding is an extremely important source for dust mite development.
Plastic or vinyl covers that zip around mattresses, box springs and pillows seal in allergenic materials so that they are not inhaled while sleeping. They are also easier to keep clean than cotton-based materials. Various styles of dust-proof bedding protectors are available through mattress and allergy supply stores. Many are equipped with an outer layer of material, such as nylon, to enhance comfort. Ideally, it's best to install dust-proof protectors on new bedding items rather than those that are already laden with allergens.