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The Benefits of Diatomaceous Earth for Dogs

Diatomaceous earth is a dirt cheap way to control parasites in your dog. It’s not only low cost but it’s also easy to find at health stores or online. It has a number of other practical uses around your household too.

So, what is diatomaceous earth?

It’s white, so it doesn’t exactly look like earth. Diatomaceous earth is a non-toxic natural substance. It’s made from crushed fossils of freshwater organisms and marine life. Through a microscope, the particles look like bits of broken glass.

Diatomaceous earth is deadly to any insect, yet completely harmless to animals. It can kill fleas, ticks, lice or mites on your dog.

It doesn’t poison insects or paralyze them like some pharmaceutical products do. The way it works is purely mechanical.

When the razor-sharp particles touch the pests, they pierce the insects’ protective coating. So the bugs quickly dehydrate and die. The particles affect larvae in the same way.

I’ll provide more detail on using diatomaceous earth for parasites in a bit.

But first, there are a few other things you can do with diatomaceous earth. Let’s talk about what it can do for your dog.

5 Benefits of Diatomaceous Earth for Dogs

Diatomaceous earth can help your dog’s health (and yours!). You can also use it in your home and in the garden.

Best of all... it’s safe to use around your dog and other pets.

*(Note that this article does not qualify as medical information and all medical advice should be taken from a medical professional)*

1. Repel and Eliminate Parasites

Diatomaceous earth can help your dog with both internal and external parasites.

Internal Parasites

You can control internal parasites like worms by giving diatomaceous earth with food. Make sure you choose the right product (diatomaceous earth for your dog must be food grade) The product that’s in gardens and pool filters is processed differently and can be harmful to your pet.

Diatomaceous earth can eliminate roundworms, whipworms, pinworms, and hookworms in your dog. It can work in as little as 7 days of daily feeding but, to be most effective, you should feed diatomaceous earth for at least 30 days. That’ll make sure you get rid of all new hatching eggs. And it will catch the cycling of the worms through the lungs and back to the


*Note: Diatomaceous earth works for intestinal worms. It will not kill heartworms.*

External Parasites

Another use for diatomaceous earth is killing external parasites and insects. You can do this by dusting your dog’s skin with diatomaceous earth. If you have a flea infestation, you’ll also need to sprinkle it on your dog's beddings

2. Detoxification

Some sources report that diatomaceous earth may absorb methyl mercury, E. coli, endotoxins, viruses,

organophosphate pesticide residues, drug resides, and protein. It may even remove the proteinaceous toxins

from some intestinal infections. There’s research showing it can remove heavy metals from waste water.

This means diatomaceous earth can be very useful as a detox solution, digestive aid and colon cleanser.

But it also has nutritional benefits!

3. Food Supplement

Diatomaceous earth is full of minerals like:

  • magnesium

  • silicon

  • calcium

  • sodium

  • iron

  • potassium

  • copper

  • zinc

  • phosphorous

  • selenium

So it can help dogs – and people – as a nutritional supplement. According to Wolf Creek Organics, better sleep, more energy, and healthy skin, hair and nails are all potential benefits.

Research by the University of Innsbruck, Austria, shows it can even improve cholesterol numbers … lowering LDL and triglycerides and increasing HDL.

4. Chemical-Free Deodorizer

If you have a stinky dog, you can also use diatomaceous earth as a natural deodorizer. You can sprinkle it on your dog’s coat and leave it in … or brush it out after a few hours.

You can also use it to dust your carpet or other smelly areas around your house; leave it for about a day, then vacuum or sweep it up.

You can even use it in sweaty gym shoes or in your kitchen trash can.

If you have a kitty, try sprinkling diatomaceous earth in their litter box. It can help eliminate dampness and odors.

5. Safe Garden Pest Control

Diatomaceous earth won’t harm beneficial earthworms in your garden. But it repels and

kills most other bugs. Ants, caterpillars, army worms, cockroaches, snails, spiders, termites, silverfish, earwigs, bed bugs, fruit flies

and beetles. (Remember: it’ll keep the ticks away too!).

It’s great for the garden and will help you avoid chemical pesticides. It’s safe for your dog, as well as birds and other non-bug wildlife. Sprinkle it in your garden, or mix it with water and spray on trees.

According to Wolf Creek Ranch, about 1 cup per 1/2 gallon of water should do the trick. Make sure to apply repeatedly.


Internally in dogs, give these amounts:

(unless stated otherwise by a veterinarian)

  • Small dogs and puppies: 1/2 tsp per day mixed with their food

  • under 50 lbs. 1 tsp per day in food

  • Over 50 lbs. 1 Tbsp. per day in food

  • Over 100 lbs. 2 Tbsps. per day in food

It’s best to mix it with raw or other wet foods. If you feed dry food, add some water or broth to moisten the powder.

For external pest prevention, rub the powder into your dog’s coat. Start near the tail and pull back the hair to get it on their skin.

Avoid direct contact with the eyes, nose and mouth as it can irritate mucous membranes.

Using it externally can also get rid of fleas on your dog. You’ll need to sprinkle it on their beddings and carpets too.

Let it sit for up to 3 days, then launder or vacuum.


Make sure you purchase and use food grade D.E. only. D.E. can cause lung irritation so please be careful you and your dog don’t inhale any dust.

Diatomaceous earth can be drying for your dog’s skin. If you notice any dryness, bathe your dog with a moisturizing shampoo or conditioner.

So there you have it. An amazingly versatile, low cost parasite control product with a bunch of other uses too!

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