Diatomaceous Earth for Pets and Animals


D.E. for Pets and Animals

Diatomaceous Earth is a popular natural flea control solution for dogs and cats. Find out how diatomaceous earth can help your pets and animals today.

What is Diatomaceous Earth?

Diatomaceous earth is a plant-based powder that occurs naturally within the earth. The powder gets its unique name because it’s derived from “diatoms”, which are algae-like plants that have existed on earth for millions of years.

As diatoms broke down over the years, they left behind a chalky white powder called diatomite. Today, diatomaceous earth manufacturers harvest this powder, combine it with other diatom derivatives, and release it as diatomaceous earth.

The earth is popular for all sorts of different purposes, including gardening (where it acts as a natural insecticide) and house cleaning (where it helps fight off bed bugs, cockroaches, and other bug problems).

Today, more and more pet owners are also using diatomaceous earth to solve flea-related problems in pets.

Benefits of Using Diatomaceous Earth on your Pets

Many pet owners use diatomaceous earth as a natural pest-killer on dogs. Just like diatomaceous earth fights pests in your garden and home, it can also fight pests on your cats and dogs.

Best of all, diatomaceous earth kills pests using natural methods instead of a chemical-based toxic solution.

If you’re using diatomaceous earth on your dogs or cats, then be sure to use food-grade DE instead of filter grade. Filter-grade diatomaceous earth is the stuff typically used in pools and it can damage your pet (it has a higher silica content and is not suited for human or animal use).

Food-grade diatomaceous earth isn’t just safe for pets: you can safely ingest it as well! So if you like being extra careful about what you give your pet, then there’s nothing wrong with DE.

There are two ways to use diatomaceous earth on your pets:

Feeding Diatomaceous Earth to your Dogs and Cats Can Eliminate:

— Roundworms
— Whipworms
— Pinworms
— Hookworms

If you’re feeding diatomaceous earth to your pet, then you should feed the animal for at least 30 days. This will destroy adult worms while also targeting hatchling eggs and smaller worms throughout the lungs and stomach.

Dusting your Pet’s Fur with Diatomaceous Earth Can:

— Control External Parasites, Like Fleas And Flies
— Kill Any Ticks And Eggs In Fur
— Be Applied To Your Pet’s Fur Or To The Bedding And Carpet Areas Wherever Your Pet Lies Down

In addition to targeting pests and critters, there’s also some evidence that diatomaceous earth can absorb methyl mercury, e-coli, endotoxins, viruses, organophosphate pesticide residues, drug residues, and the bacteria created by intestinal infections. This can make it an effective overall cleanser for your pet.

How to Use Diatomaceous Earth on your Pet

As a Food

— For dogs, you should add one tablespoon per day of food-grade diatomaceous earth to dog food for dogs over 55 pounds.

— For puppies, smaller dogs, and normal-sized cats, use one teaspoon per day.

— Larger cats (cats over 13 pounds) can safely be given 1 ½ teaspoons of food-grade DE. Kittens and smaller cats (2 to 6 ½ pounds) can be given ½ teaspoon of food-grade DE.

If the kittens are still nursing or only taking milk, you should avoid giving them DE until they have moved to solid food.

Some pets may be picky when they see a white powder in their food and they might refuse to eat it. If that’s the case, then DiatomaceousEarth.com recommends adding the DE directly to the bag of cat or dog food. Then, shake the bag to distribute the powder evenly throughout the food. This will mask the scent. To use the right dosage of DE, simply take note of the number of servings in the bag of food, then multiply the appropriate DE dosage by the number of servings and add that amount to the bag.

If that doesn’t work, then you may want to try mixing a dosage of DE with a quarter cup of water. Then, pour it over your cat’s food.

As a Powder Coating

If you’re using diatomaceous earth externally to control parasites, simply rub the diatomaceous earth powder into your dog’s coat to control fleas while also sprinkling it on the bedding. You should wear a dust mask when applying the diatomaceous earth powder, as it can irritate your lungs and mucous membranes in your nose.

Some pet owners prefer the powder coating method instead of the food coating method because cats and dogs lick off the powder anyway. As the animal licks the powder off their fur, it works as an internal cleanser as well.

After a few days of leaving DE on your dog’s skin, it’s time to bathe them and vacuum the area you covered with DE. This will collect any dead bugs (and half-dead bugs) that may still be lying around.

Thoroughly shampoo your dog or cat. Consider using a soap-free shampoo or moisturizing shampoo. Since diatomaceous earth dries out the skin, your pet’s skin ,is likely a little dehydrated, so you should avoid drying out their skin even further.

After your dog or cat has been washed and dried, comb through the fur with a flea comb to help remove any fleas and eggs that may have been left behind.

How Does Diatomaceous Earth Work?

Diatomaceous earth works by physically attacking harmful parasites inside your pet. Instead of killing these pests using toxic chemicals, the diatomaceous earth actually targets them using microscopic sharp edges in its particles. These microscopic sharp edges tear apart the bug’s exoskeleton, then lodge themselves on the bug to dry it out. This kills the bug.

Fortunately, these microscopic sharp edges are too small to harm dogs, cats, or humans. You can safely rub food-grade diatomaceous earth between your fingers without cutting yourself. It passes through your dog or cat’s body without any negative effects.

diatomaceous supplement


  1. Sue Parker

    Doe this eliminate tapeworms??

    • Ken Price

      From what I have read the answer is yes.

    • Shirley Casey

      My dog already Has tapeworm. Will D E kill them too? I noticed it isnt listed in the types of worms they kill.

      • Fern

        Feeding Diatomaceous Earth to your Dogs and Cats Can Eliminate:
        — Roundworms
        — Whipworms
        — Pinworms
        — Hookworms

    • Amy

      It worked for me for tapeworms. I’d also read that other things could help w/ works so in addition to DE I fed them every day a little bit (1-2t) of mixing it/alternating days either shredded coconut by itself or with shredded carrots, ground up pumpkin or whole pumpkin seeds, coconut oil, minced garlic. I’d read that all of that could help w/ worms so every day I would give them some combo of this but not all of it in case it bothered their stomachs. I’d read the worms don’t like some of this and i didn’t even know my dog had worms until I fed his food which has carrots in it, and he threw up carrots mixed with the tapeworms. probably after 3 weeks or so I had them tested and no eggs in their poop so they were worm free.

    • Robin Crownover

      Does it help horses with EPM?

  2. Heather Dodson

    i would also like to know if diatomaceous earth would elimtnate tapeworms ?

  3. hellen

    tapeworms come from fleas if erradicating fleas there should be no tapeworms

  4. Judy Bunch

    Could I use D E food quality for my 3 miniature goats and chickens?
    For flies and parasite prevention?
    What doseage?

    • Laura P

      Dosage on package

  5. Lori

    How often do I use this on my dog as a flea preventative? We believe that Frontline killed our 8 year old dog and are desperately looking for a safe flea preventative. Please help!! We lost our beloved Lillie and don’t want to lose another dog.

  6. Taylor H

    Can I use silaLive on pets fur for fleas?? Or should I just use regular food grade DE for that?

  7. Martha

    We’re do you buy that diatomaceous?

  8. Robin

    I use food grade DE to control internal parasites in my horses. To start I feed 1/2 cup twice daily for two months. After a negative fecal count I reduce amount to 3/4 cup daily for two months and then to 1/2 cup daily with continued negative parasite counts. My horses love the DE and they look great!

  9. Lisa

    Does waterless shampoo count as shampoo when washing your cat after sprinkling them with DE?

  10. connie

    How long does it take for DE to start working after feeding, or rubbing into the dog’s coat?

  11. Mitch

    Can it be effective on ‘Feather Mites’ (Chorioptic mange) in horses and ponies.

  12. Karen Lang-Ferrell

    If humans have to wear a mask to apply it the skin of pets to avoid breathing in the dust, would it not also irritate the nasal membranes and lungs of the pet?

  13. Opal Sherman

    How much would be the correct amount to give to your cockateil of the diatomaceous earth?

  14. Karl Gray

    Where can you buy this from?

  15. jamie castillo

    I don’t know what happened to the post I did this morning it was a book and I’m not ready to write another at this time. I apologize, this has been a very sad and 8 mo for me and my sweet fur baby,I got mange from her,2 yrs old puppy,it’s hard for me ,I cry all the time,I’m worried more about her then myself,mate be lives it’s a mental break down,out of the hole world my mate should at least if not all the way at least some,,and dosnt belive,she won’t look & won’t talk about it,so me & my fur baby have no support in this matter,,,maybe some other time I will share our story,thank u,I pray all the time could others help pray for us.we r pushing 9 mo now…

  16. Damian

    Will D E harm Puppies after being put on the mother

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