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Entry 202Filed under Breeding

How to Get Rid of and Prevent Fleas on Cats

Use a flea product labeled for your cat’s age and weight, treat all pets appropriately, and vacuum and wash pet bedding. Established infestations can take several months to control, so continue prevention as directed and contact a veterinarian about vulnerable cats or suspected reactions.
6-minute read By Animalso Team
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To get rid of fleas, use a flea product labeled for your cat’s species, age, and weight, and follow its current label exactly. Treat every pet in the home with a product appropriate for that animal, vacuum and wash pet bedding, and continue prevention; an established infestation can take several months to control.

Ask a veterinarian to help choose a product, especially for kittens or cats that are sick, weak, pregnant, nursing, taking medication, or otherwise medically vulnerable. Contact a veterinarian promptly if your cat becomes ill or has a suspected reaction after treatment.

What to do first

  1. Look for fleas or flea dirt with a fine-toothed flea comb. A light surface beneath the cat can make dark specks easier to spot.
  2. Choose a flea product whose label specifically covers cats and your cat’s age and weight. Read and follow the full current label.
  3. Treat every pet in the household with a product labeled for that pet’s species and life stage. Do not use dog-product directions for a cat.
  4. Vacuum furniture, rugs, and carpeting, and wash pet bedding.
  5. Continue prevention as advised by your veterinarian and the product label. Do not give extra doses or combine products unless a veterinarian directs you to.

How to tell whether your cat has fleas

Look for live fleas or small dark specks of flea dirt in your cat’s coat. Fleas are not always easy to see, so not finding one does not rule out a problem. Itching and skin changes can also have causes other than fleas; ask your veterinarian if signs persist or you are unsure of the diagnosis.

How to check with a flea comb

  1. Place your cat over white paper or another light surface.
  2. Gently run a fine-toothed flea comb through the coat and check the teeth and surface for fleas or dark specks.
  3. Use the comb to remove what you find, but remember that combing alone does not control fleas in the home or replace an appropriate preventive.
  4. If you are uncertain whether your cat has fleas, consult your veterinarian.

Cornell University College of Veterinary Medicine describes flea combing as a way to look for fleas and flea dirt. A flea comb is also useful support for a kitten too young for a flea product, but ask a veterinarian what is safe for that kitten.

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Why you need to treat the cat, other pets, and the home

Flea control requires attention both to the animals and to the places where they spend time. Cornell’s guidance explains that fleas must be removed from the cat and the environment. The Companion Animal Parasite Council (CAPC) recommends treating every pet in the household to control an established infestation.

Vacuum furniture, rugs, and carpeting, and wash pet bedding. Follow veterinary advice about any product intended for the home or yard. Keep products intended for household or outdoor use off your cat unless the label explicitly permits use on cats.

How to choose a flea product for your cat

Products come in different forms, and there is no single choice that is right for every cat. Select a product based on its label and your cat’s individual circumstances, with veterinary guidance when needed.

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What to check What to do
Species and life stage Confirm that the label specifically covers cats and your cat’s age or life stage. Do not transfer directions from a dog product.
Weight Use only the product and weight range specified on the current label. Do not divide a dose or estimate one.
Health and other medicines Ask a veterinarian about product selection for a sick, weak, older, pregnant, or nursing cat, or one taking medication.
Application and contact directions Follow the label’s instructions, including any directions about application, grooming, or keeping animals apart so they do not groom product off one another.
Regulatory identification FDA-approved animal drugs carry an NADA or ANADA number; EPA-registered pesticide products display an EPA registration number. FDA explains how to identify these products.

FDA advises pet owners to read and follow the product label, monitor pets after treatment, and contact a veterinarian promptly if a pet has a bad reaction. Do not use a household or yard product on your cat unless its label explicitly says it can be used on cats.

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How to treat every pet safely

Use a product labeled for each animal’s own species and life stage. Treat every pet in the home as appropriate, including pets that do not appear itchy, and follow each product’s directions. Keep treated animals separated as directed so they do not groom product off one another.

Products are not interchangeable across species. If you have a kitten or another animal for which you are unsure about treatment, ask a veterinarian rather than adapting a product or dose yourself.

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How to clean the home

  1. Vacuum thoroughly. Focus on furniture, rugs, carpeting, and areas where pets rest.
  2. Wash pet bedding. Clean bedding and other washable items where pets spend time.
  3. Ask before using environmental products. Follow veterinary advice and the product label for any flea product intended for the home or yard.
  4. Keep products off the cat. Do not apply a home or yard treatment to your pet unless its label explicitly permits it.

How long flea control takes

An established infestation can take several months to control, according to CAPC. Seeing some fleas during that period does not automatically mean a product has failed. Continue the labeled prevention schedule and household cleaning, and ask your veterinarian to reassess the plan rather than applying an extra dose or mixing products on your own.

CAPC recommends year-round flea control for cats, tailored to the individual animal and geographic needs. Your veterinarian can help choose an approach suited to your cat and location.

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When to call a veterinarian

Seek veterinary advice for a severe infestation, a kitten that may be too young for a product, or a cat with health vulnerabilities. Severe flea infestations can cause anemia. If your cat becomes ill or shows a suspected reaction after treatment, contact a veterinarian promptly.

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FDA lists possible signs of illness after flea-product use that include wobbliness, poor appetite, vomiting, diarrhea, excessive salivation, and seizures. Keep the product packaging available when you call, and do not administer another product unless a veterinarian instructs you to.

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Frequently Asked Questions

Can I tell if my cat has fleas if I do not see any?

Not necessarily. Use a fine-toothed comb over a light surface to look for fleas or flea dirt. Fleas can be difficult to spot, and persistent itching or skin changes warrant veterinary assessment because other conditions can cause similar signs.

Can I use dog flea medicine on my cat?

No. Use only a product labeled for cats and follow its directions. Dog-product instructions are not a substitute for a cat product’s label.

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Do I need to treat every pet in the home?

CAPC recommends treating every pet in the household to control an established infestation. Choose a product labeled for each pet’s species and life stage.

Do I need to clean my home if my cat has fleas?

Yes. Flea control includes the environment as well as the cat. Vacuum furniture, rugs, and carpeting, wash pet bedding, and follow veterinary advice about any household product.

How long does it take to control an infestation?

An established infestation can take several months to control. Continue prevention as directed and ask your veterinarian to reassess the plan if fleas persist; do not give extra doses or combine products without veterinary direction.

What should I do if my cat has a reaction to flea treatment?

Contact a veterinarian promptly and keep the package available. Possible illness signs include wobbliness, poor appetite, vomiting, diarrhea, excessive salivation, and seizures.

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How can I tell if a flea product is approved or registered?

FDA-approved animal drugs carry an NADA or ANADA number, while EPA-registered pesticide products display an EPA registration number. See the FDA guide to identifying flea and tick products.

Bottom line

Use a cat-labeled product suited to your cat’s age and weight, treat all pets with species-appropriate products, and clean pet-resting areas. Keep prevention going as directed and involve your veterinarian if your cat is vulnerable, the infestation is severe, or a reaction occurs.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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