Dusting as often as possible will keep dander (as well as dust mites and other allergens) to a minimum. Vacuuming, however, may not get all the allergens from the lower levels of a rug and may stir up a bit of dander as you clean. It may help to use vacuums equipped with a high-efficiency particulate air (HEPA) filter or double bags. However, it's still a good idea to dust or vacuum when the person with allergies or asthma is not at home.

Replacing wall-to-wall carpets with wood floors will make it easier to remove dander.

Close Registers

If you have forced-air heating and air conditioning, closing air registers may reduce the amount of animal dander that circulates through your home. If closing all of the registers isn’t practical, try closing those in the rooms where asthmatic or allergic individuals spend the most time (especially bedrooms).

Replacing the filter in your furnace or air conditioner with a HEPA filter and/or purchasing a room air cleaner may also help. Studies on the effectiveness of these methods have been inconclusive, however. 

Bathe Your Pet

Research shows that frequently bathing your pet reduces the allergens found in their dander.

A 1999 study in the Journal of Allergy and Clinical Immunology compared the levels of allergens in dog dander before and after a five-minute bath with an unnamed “proprietary shampoo” (which could describe an allergen-reducing shampoo such as Groomax). The researchers found that the bath reduced the dog's allergen levels by 85%. But the allergen levels returned to normal in about three days, which suggests that dogs need to be washed at least twice a week.

Similar studies using cats have had mixed but generally less encouraging results.

Clean Cages

Though hamsters, guinea pigs, rabbits, birds, and other pets typically confined to cages tend to be less problematic for allergy and asthma sufferers, dander and urine produced by these pets can still provoke allergic reactions and asthma attacks.

Birdcages and rodent cages should be cleaned at least once a week and, if possible, the cages should be moved outside to a garage or shed. Likewise, litter boxes should be cleaned frequently and moved out of living areas.

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source: https://www.health.com/