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Does My Cat Have Fleas? What You Need to Know About Cat Flea Control and How Brewer's Yeast Can Keep a Cat Healthy

Updated on October 20, 2019
Healthyannie profile image

Pet health is just as important as human health. Natural remedies are often as effective as conventional treatments, and simpler and safer.

Avoid Cat Fleas with Brewer's Yeast

Brewer's yeast has many health benefits for cats
Brewer's yeast has many health benefits for cats | Source

What Health Problems Can Cat Fleas Cause in Cats?

Cats can suffer from many types of parasites but the most common parasite found on a cat’s skin is the cat flea (Ctenocephalides felis). Both outdoor and indoor cats can be affected by this persistent parasite.

A cat becomes infected when a flea jumps onto its fur and starts feeding on its blood. Some cats are hypersensitive to fleas and flea bites and can have severe reactions, but most cats only experience a mild itch. Older cats and sick cats can become very ill as fleas can cause anemia.

Some cat breeds are more allergic to flea bites than others
Some cat breeds are more allergic to flea bites than others | Source

Natural Remedies

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Photo of a cat flea
Photo of a cat flea | Source

What Do Cat Fleas Look Like?

Most of the time you cannot see the fleas on your cat but you can normally spot their faeces. They look like small black and white grains, and are made up out of dried blood.

Cat fleas are small, brown and about 2.5 millimeters in size, and they are normally found along your cat’s back and hind quarters. Look around the base of your cat’s tail, and you will normally find them if you suspect your cats has fleas.

Flea Treatments

There are many different ways in which to treat fleas. New products such as Advantage and Frontline have more or less replaced powders, sprays and shampoos. The new products claim to be a much safer way to deal with and treat the problem of cat fleas but I am still a bit reluctant to use insecticides.

By using insecticides you also run the risk of causing an allergic reaction. Allergic reaction from Advantage and Frontline can cause skin problems, and trigger anaphylactic shock. This happened to one of my cats and it was a frightening experience.

How to Prevent Cat Fleas

There are some really simple ways in which to prevent cat fleas, and here are some easy follow tips.

  • Supplement your cat’s diet with Brewers Yeast.
  • Try one of the many other preventative cat flea treatments on the market
  • Make sure you keep the cat’s sleeping area and favorite spots are kept clean
  • Hoover your home, and consider investing in a steam cleaner
  • Brush your cat’s coat

Health Properties of Brewer's Yeast for Cats

Brewer’s yeast has many health benefits to cats and can benefit their coat, eyes and improve oral health. It is almost a complete food as it contains proteins, B vitamins, chromium, zinc, iron, a wide range of amino acids and many trace elements. The yeast in the product is toxic to fleas, and when they digest it, they will die.

How Does Brewer's Yeast Work for Flea Control in Cats?

Cats can suffer allergic reactions to flea bites, and bites can even lead to blood problems.

Brewer’s yeast is a perfect, natural way to control fleas and unless your cat is allergic to Brewer’s yeast it is non-toxic. It works by a chemical reaction that takes place inside your cat’s body and produces a smell that repels fleas. Brewer’s yeast in powder form repels fleas by applying it to your cat’s coat.

How to Check Your Cat for Fleas

Health Benefits of Brewer's Yeast Powder for Cats

Brewer’s yeast is not only a good way of preventing cat flea. It also has other health benefits. Whilst the yeast contained in Brewer’s yeast is toxic to fleas, it will not cause any harm to your cat. Brewer's yeast side effects are rarely seen.

Many cat owners see an improvement in their cat’s coat, eyes and Brewer’s yeast for cats can also help to improve oral health. Brewer’s yeast is more or less a complete food. It contains B Vitamins, proteins, chromium, zinc, iron, amino acids and also many trace elements.

Flea Control and Brewer’s Yeast

Cat owners are surprised that Brewer’s yeast work but it has been recommended by veterinarians and breeders for a long time. It works by a chemical reaction that takes place inside the cat’s body, and it is thought it produces a smell that repels fleas.

How Do You Feed Brewer's Yeast to Cats?

The simplest way to administer Brewer’s yeast to your cat is in powder or flake format. Most of the cats I know will just eat the powder with their normal dry or wet food. As a matter of fact, they seem to be quite keen on Brewer's yeast. Do you need to buy a specialist formula of Brewer's yeast for your cat? No, you don't need to buy a specialist formula, Just buy the ordinary powder or flake formula that is available for humans.

You can also buy flaked or powdered Brewer’s yeast. The flakes can be blended into wet food, and so can the powder.

If your cat already has fleas, you can even apply the powder to your cat’s coat to kill off any fleas. I have tried this with friends’ cats and it works a treat. The other advantage of using Brewer’s yeast as a powder is that you know as an owner, your cat is not going to be ingesting anything harmful.

Vitamin B and Better Cat Health

The B vitamins in Brewer’s yeast can help to protect your cat’s health in more ways than one. B vitamins are vital for human health but they are equally important to our cats’ health. Cats, just like us humans, rely on B vitamins to digest fats, proteins and turn carbohydrates into energy.

Vitamin B will also help to support your cat’s nervous system and keep his liver in good shape. There is even a lot of evidence which seems to suggest that the chromium in Brewer’s yeast can support cats with diabetes, and help to prevent infections.

How Much Brewer’s Yeast Should You Give To Your Cat?

There are no hard and fast rules but 1 mg for every two kilos of your pet’s body weight. My cats like the flakes and they get about 1 tablespoon per day per mixed with their biscuits.

Cat Fleas on Dogs

If you have dogs in your household, remember to check them for cat fleas when you find your cat has fleas. Cat leas can really trouble a dog and can rapidly cause skin infections. Brewer's Yeast can help, but if you are looking for a more fast-acting solution for your dog, you want to consider visiting your local vet. Cat flea treatments are only meant for cats, and your dog will have a reaction to them. Comfortis is one treatment that is suitable for both cats and dogs.

Quick Guide to the Health Benefits of Brewer's Yeast for Cats

  • A healthy nervous system
  • Better energy levels
  • Improved liver function
  • Good skin quality
  • Improved eye sight health
  • Better Digestive Health
  • Less risk of feline blood disorders

Brewer's Yeast for Flea Control in Cats

Cat fleas can lead to other health problems for cats
Cat fleas can lead to other health problems for cats | Source

Other Feline Diseases

Other feline illnesses can affect your cat, and keeping an eye on your cat's health is essential. Most cat owners do vaccinate their cats so they are unlikely to encounter the majority of them but it is still a good idea to be aware of health problems.

Spend some time with your cat every day to ensure he or she is healthy. Brushing and stroking their coats allows for time to inspect them for lumps and bumps. A problem picked up early is more likely to be successfully put right.

Outside cats also tend to fight and dispute their territory. This can lead to some nasty injuries which can lead to abscesses. Having an abscess is the most common reason for emergency visits to the veterinarian. Cat bites are very infectious and they are often deep. Sometimes a cat can end up with multiple bites during a fight.

Digestive issues can cause long term health problems and even allergies. Poor quality food is the main problem and feeding your cat a quality wet cat food or kibble will save you money on veterinary fees.

© 2014 Annie Messeri


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    • Healthyannie profile imageAUTHOR

      Annie Messeri 

      4 years ago from Spain

      It is a good natural treatment that works, and improves your cat's health.

    • Larry Rankin profile image

      Larry Rankin 

      4 years ago from Oklahoma

      Fleas have been awful this year. I was not aware of this method. I will have to give it a try.

    • Healthyannie profile imageAUTHOR

      Annie Messeri 

      5 years ago from Spain

      If your cats do not have fleas you should not bathe them. I would not go to Walmart if your cats or kittens have fleas, I would always suggest you visit a qualified veterinarian. Brewers Yeast does work and is safe to add to food but it is not instant. A lot of flea treatments work within 24 hours, ask your vet for the best advice.

    • profile image

      rayna ramos 

      5 years ago

      I've got 3 RagDoll Cat/kittens who haven't known infestation, until we recently moved In with a friend.

      the kittens are a out 10 weeks old, and I've already bathed the lot of them using lukewarm water, and must a quarter sized dab of suave shampoo/conditioner.

      the Queen did well, as I used to bathe her semi regularly as a kitten. She's NEVER had fleas or worms I n her life! And, we are All of us, just beside ourselves with what's occurred!

      I googled it to find this information, so have taken precautions to insure their safety, but plan to head to WalMart or petsmart to pick up some pesticide prevention to accompany their baths. Question, can cats/kittens ever become sickly and die from bathing them to combat fleas?

    • Healthyannie profile imageAUTHOR

      Annie Messeri 

      5 years ago from Spain

      Not having carpets really helps when it comes to flea control. I am not a lover of carpets and I really do think they can be the home of so many nasty things.

    • Ann1Az2 profile image


      5 years ago from Orange, Texas

      So far, this year, I've been able to control the flea problem by surrounding my mobile home (and underneath) with a boric acid roach powder that also kills fleas. Inside, I use it around the base of the cabinets and outside edges that the cats don't have access to, Then, I placed cedar chips inside and under their cushions that they lay on because fleas don't like cedar. I also have a combination spray of lemon juice and clorox that I use on hard surfaces where they sometimes lay.

      Besides all of that, brushing them almost every day seems to help the most. And then I use a flea comb just to be sure. Occasionally, I pick 1 or 2 off, but that's controlling them when you live in Southeast Texas, believe me!

      One other thing I do since we don't have carpet (which is probably a good thing), I try to sweep every day to get up the little tufts of hair the cats leave in the corners and edges because fleas like to hang out in the hair. That prevents a lot of problems also.

      If it gets to the point where none of this is working, I'll try the yeast, though. It's a good suggestion and I thank you for sharing it!

    • Healthyannie profile imageAUTHOR

      Annie Messeri 

      5 years ago from Spain

      MsDora You are more than welcome - Brewer's yeast is good for us humans as well. Take care.

    • MsDora profile image

      Dora Weithers 

      5 years ago from The Caribbean

      Good information for cat owners; didn't mind learning the facts myself though I don't have a cat at the moment. Thanks for this very useful article.


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