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what causes fleas in a house without pets

What Causes Fleas in a House Without Pets?

Fleas are small wingless insects that can cause extreme irritation in both humans and pets. While most commonly associated with household pets, fleas can actually appear in a home without any animals. So, what causes fleas in a house without pets?

Common Causes

  • Wild Animals: Fleas can be transported easily into your home on wild animals such as rodents, squirrels, and birds. These animals may carry fleas and deposit them into your home, causing the fleas to thrive and reproduce quickly.
  • Used Furniture: Bringing pre-owned furniture into your home that was previously in another home or even an area with deer and wild rabbits can introduce fleas into your environment.
  • Trading Clothes: Sharing clothes or winter wear with family or friends who have pets can spread fleas into your home.
  • Reusing Carpets: Fleas can lay dormant in carpets for up to one year, so if you bring previously used carpets into your home there may be fleas present.


The best way to completely avoid fleas in your home is to practice prevention. Here are a few ways you can help prevent fleas from entering your home:

  • Keep your yard free from overgrown vegetation.
  • Keep pet food and water indoors, as this can attract wildlife.
  • Avoid bringing old furniture or carpets into your home.
  • If you must bring in furniture or carpets, inspect them thoroughly and treat them with insecticide.
  • Vacuum carpets and furniture daily, and dispose of the vacuum bag regularly.
  • Wash bedding and clothes regularly and in hot water.

If you do find fleas in your home, contact a professional exterminator immediately to help eliminate the fleas. Taking preventive measures is the best way to keep fleas out of your home, regardless of whether you have pets or not.

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