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A member asked:
How long does dog dander around the home remain an active allergen once a dog is removed from the home?
7 doctors weighed in across 2 answers
Possibly years: Persons who are allergic to animal dander often report trouble with an apartment or a previously owned home that was contaminated with animal allergens several years prior. Through cleaning may need to include carpet removal in some situations.
Answered 6/1/2019
6.2k views
Months at least: We know with cat dander that it takes at least 6 months with regular cleaning for the cat allergens levels to decrease in homes. It is probably similar for dogs and other furred critters.
Answered 2/9/2019
6k views
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