What you need to know about preparing and treating your home for fleas

Finding fleas in your home is definitely not fun. Now you've got to call an exterminator and evacuate—you don't have time for this! Well, what if we told you there was a cheaper, less time-consuming option you could do yourself? Flea bombs are a great way you can get rid of fleas for good. With the right preparation, treatment, and maintenance, you can use these little gas bombs to keep those pesty bugs out of your space.

Part 1
Part 1 of 3:

Preparation

  1. 1
    Calculate the square footage of the area you will be treating. Flea bombs come in a variety of sizes depending on the brand and chemicals they contain. In general you will need 1 bomb per room you are treating; however in some cases, 1 bomb in a hallway adjacent to open doors can treat multiple rooms. Read the label carefully to determine the size of the area the product treats.[1]
  2. 2
    Purchase a quality brand flea bomb. Ask your veterinarian for his or her advice on which products they recommend. Check with friends and family for their opinions on the effectiveness of a flea bomb they might have used, or check online for feedback and reviews. Ask sales associates at your local home improvement or hardware store for any information they may have concerning flea bombs, but always back up what you're told by a retailer with your own quality research.
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  3. 3
    Read the package instructions completely. Most flea bombs operate in similar ways. Ensure that you have read the directions carefully and fully prior to setting off the flea bomb in your home.
  4. 4
    Plan a time where everyone in the household including pets will be gone for several hours. The chemicals in the flea bomb are poisons which can easily cause illness to people and pets. Check the label on your flea bomb to ensure that your family is safe and can stay out of the house for the label's recommended time period.
  5. 5
    Open doors and drawers. Open all doors to infested rooms so the chemicals from the flea bomb can kill the fleas. Open cabinet doors and drawers to kill fleas inside furniture.
  6. 6
    Remove eating utensils, food, small appliances, and crockery. Remove such items from open cabinet doors or drawers to keep them away from the spray. Storing items away from the chemicals is much easier than cleaning them when the flea bomb is finished.
  7. 7
    Cover your tabletops, countertops, special furniture and electronic equipment. The chemicals from the flea bomb can soil furniture, tables and countertops or damage electronic equipment. Cover these items with sheets or plastic tarps to prevent damage.[2]
    • Old sheets can be found easily at your local thrift store. Plastic painting tarps are available from hardware and auto stores.
  8. 8
    Seal up or move your fish tank. Chemicals in a flea bomb are dangerous to fish. If you can't move your fish tank to another location, cover it up well and seal it tightly with plastic wrap.
  9. 9
    Turn off all lights and other electrical devices. The chemicals and propellants in a flea bomb can be flammable. Turn off the heater or air conditioner and extinguish the pilot light. Cut the power to all fans.
  10. 10
    Close all windows prior to treatment. Make sure that the flea bomb chemicals do not leak outside the house and have maximum effectiveness by closing all openings to the outside prior to treatment.
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Part 2
Part 2 of 3:

Treatment

  1. 1
    Vacuum and clean your house immediately prior to treatment. The vibrations from a vacuum cleaner cause flea larvae to emerge making your flea bomb treatment as effective as possible.[3]
  2. 2
    Remove all dirty laundry from the house. Flea eggs and larvae may find shelter in piles of dirty clothes. Ensure that you have laundered all of your clothes, or bag the clothes and take to a laundromat while you are bombing the house.[4]
  3. 3
    Position the flea bombs on newspaper or plastic bags in the middle of the rooms you are treating. Placing a protective covering under the flea bomb will prevent the residues from the product from staining the floor directly around the flea bomb.
  4. 4
    Ensure all the flea bombs are in place prior to activating any of the bombs. Once a flea bomb is activated you should vacate the house immediately to prevent illness due to pesticide exposure.
  5. 5
    Activate the flea bombs and vacate the house. Follow package directions to activate the flea bomb. If you are setting off multiple flea bombs, start in the room furthest from the exit and work your way out. Once a flea bomb has been activated do not reenter the room.
  6. 6
    Stay out of the house. Avoid unnecessary exposure to the chemicals in a flea bomb by keeping all pets and people out of the house for 2 to 4 hours. Read the label carefully to determine the recommended time frame to be away from the house.
  7. 7
    Treat your pet for fleas. While you are away from the home it is important to remove fleas from your pet so they do not bring them back into the home as soon as you return.
    • Ask your veterinarian about pills containing nitenpyram[5] to kill any adult fleas that are on your pet.
    • Bathe your pet with a flea controlling shampoo.
    • Take your pet to a groomer to get a professional flea treatment or dip.
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Part 3
Part 3 of 3:

Maintenance

  1. 1
    Clean your house when you return. Dead fleas, chemical residue and a coating of dust are common things to find after a flea bomb treatment. Vacuum and mop floors thoroughly, clean tables and countertops, wash sheets and clothes, and wash all surfaces.
    • It's recommended that you wear gloves when cleaning, and dispose of the gloves after cleaning to avoid picking up chemical traces on your skin.
  2. 2
    Open windows to ventilate the house and reduce odors. The smell of the pesticides may persist for several hours or days after treatment. Open doors and turn on any ceiling or ventilation fans to help remove the odors from the flea bomb from the house.
  3. 3
    Vacuum daily for 10-14 days. Daily vacuuming will remove any newly hatched adult fleas that may have survived the flea bomb.[6]
  4. 4
    Be prepared for multiple treatments. Some products are not effective at killing flea eggs. Flea eggs and larvae may hatch days or weeks after your first treatment. Monitor your house and pets for several weeks following initial treatment to watch for signs of fleas.[7]
  5. 5
    Monitor your pet for signs of re-infestation. Flea dirt or droppings appear as reddish brown specks on your pet. If your pet is scratching, use a flea comb to check under their fur for signs of flea dirt or adult fleas.
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Expert Q&A
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  • Question
    Should I vacuum after the flea bomb?
    Kevin Carrillo
    Kevin Carrillo
    MMPC, Pest Control Specialist
    Kevin Carrillo is a Pest Control Specialist and the Senior Project Manager for MMPC, a pest control service and certified Minority-owned Business Enterprise (MBE) based in the New York City area. MMPC is certified by the industry’s leading codes and practices, including the National Pest Management Association (NPMA), QualityPro, GreenPro, and The New York Pest Management Association (NYPMA). MMPC's work has been featured in CNN, NPR, and ABC News.
    Kevin Carrillo
    MMPC, Pest Control Specialist
    Expert Answer

    Support wikiHow by unlocking this expert answer.

    Definitely! Use the crevice and brush tool to reach hidden areas of your home that the flea bomb can't reach. Flea bombs work by shooting the material up high and letting it float down. This method won't reach underneath your furniture or other hidden spots.
  • Question
    Do I have to wash everything after a bug bomb?
    Kevin Carrillo
    Kevin Carrillo
    MMPC, Pest Control Specialist
    Kevin Carrillo is a Pest Control Specialist and the Senior Project Manager for MMPC, a pest control service and certified Minority-owned Business Enterprise (MBE) based in the New York City area. MMPC is certified by the industry’s leading codes and practices, including the National Pest Management Association (NPMA), QualityPro, GreenPro, and The New York Pest Management Association (NYPMA). MMPC's work has been featured in CNN, NPR, and ABC News.
    Kevin Carrillo
    MMPC, Pest Control Specialist
    Expert Answer

    Support wikiHow by unlocking this expert answer.

    Yes, you should. A flea bomb usually can't remove fleas from every surface of your home. Use a steam cleaner to remove fleas, larvae, and eggs from your furniture, upholstered items, and carpets. Carefully launder all your pet's beds and your pet's soft toys. Make sure to clean the litter box if you have one. Clean any areas where your pets spend a lot of time, as well.
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Warnings

  • Any fresh fruits or vegetables exposed to the pesticides should be discarded and not consumed.
    ⧼thumbs_response⧽
  • Flea bombs contain neurotoxins. They are not to be used regularly, nor to be taken lightly as a solution to a flea infestation. You are far better off treating pets regularly, vacuuming regularly, and generally dealing with fleas the moment there are signs of them.
    ⧼thumbs_response⧽
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Things You'll Need

  • Flea bomb
  • Sheets or tarps
  • Vacuum
  • Mop and bucket
  • Soap
  • Water
  • Washer and dryer

About This Article

Kevin Carrillo
Co-authored by:
MMPC, Pest Control Specialist
This article was co-authored by Kevin Carrillo. Kevin Carrillo is a Pest Control Specialist and the Senior Project Manager for MMPC, a pest control service and certified Minority-owned Business Enterprise (MBE) based in the New York City area. MMPC is certified by the industry’s leading codes and practices, including the National Pest Management Association (NPMA), QualityPro, GreenPro, and The New York Pest Management Association (NYPMA). MMPC's work has been featured in CNN, NPR, and ABC News. This article has been viewed 1,252,302 times.
23 votes - 91%
Co-authors: 26
Updated: March 20, 2023
Views: 1,252,302
Article SummaryX

Before you use a flea bomb, cover all the furniture in your house with sheets and move any food, utensils, and small appliances outside. Then, open all of the doors, drawers, and cabinets in your house and shut the windows. Once everyone, including your pets, is outside of the house, place a flea bomb in the center of every room you want to treat. When you're ready, follow the manufacturer's instructions to activate the flea bombs and then immediately exit your house. For tips on cleaning your house after the flea bombs go off, scroll down!

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