Parasites and Pets

Great advice as always, from Dr Andrew Jones – how to cope with parasites in your pets As Dr Jones is based in Canada, we may have to seek products locally. 

Bio-Sil products mentioned are highlighted in Green. One of the ways to potentially help your pet manage parasite infestations is ensuring they have a robust immune system, and in particular additional probiotics. Our supplements ULTIMATE Feline and


ULTIMATE Canine have additional probiotics Typically cat parents see ‘grains of rice around the rear end’…this is tapeworm segments..

Worms in Dogs and Cats

SIGNS You see small white squiggly worms in your pet’s stool. Your cat has something that resembles grains of rice coming from the bum. Your pet may be vomiting or have diarrhea. Your pet is losing weight. CAUSES Worms in dogs are very common, with up to one-third of all dogs being infected with intestinal parasites: roundworms, tapeworms, coccidian, and giardia. I’ll go over the most common types of worms and how you can tell if your dog has worms. I’ll then go on to show you how to prevent dog worms and give the best ways to treat them, both with conventional medication and natural solutions. Roundworms are most common; these worms are one to three inches long, white, and tapered or round—hence the name roundworm. The veterinary name for roundworms is Toxocara canis. These are what most puppies have when diagnosed with worms. Dogs with roundworms often have a distended belly that appears bloated. In large infestations they can cause vomiting, diarrhea, and weight loss, although most pet owners diagnose them by seeing a worm in their dog’s stool. These are easily transmitted from dog to dog via worm eggs in the stool and on the ground. Tapeworms are the next most common intestinal parasite of dogs; they are known as Dipylidium canis. Most dogs with tapeworms have few clinical signs, although a heavy infestation can cause intestinal upset and weight loss. These are easy to diagnose by finding segments of the tapeworm in your dogs stool—the segments are flat, white, and sometimes described as flat grains of rice. Dogs acquire most tapeworms after ingesting a flea; the tapeworm lifecycle includes maturing in a flea to be able to be transmitted to other dogs. Tapeworms can also be transmitted with other animals, such as your dog ingesting a mouse. Coccidia are worm like, microscopic intestinal parasites that commonly causes diarrhea in puppies, but can affect older dogs with compromised immune systems. Coccidia are spread from dog to dog via eggs in the stool, contaminating the water and environment. Some dogs can have a small number of coccidia in their intestinal tract, but the organism flourishes if the pup is under stress(such as overcrowded, unsanitary conditions), leading to diarrhea. Coccidia can be diagnosed with a veterinary microscopic fecal flotation, and should be suspected in any puppy with diarrhea that doesn’t respond to traditional roundworm treatment. Giardia is a waterborne intestinal parasite that more commonly affects adult dogs, causing diarrhea; it is also known as “beaver fever.” Giardia gets into the water via contamination by wild animals (such as beavers) and infected dogs. The giardia cysts multiply in the intestinal tract, leading to the signs of diarrhea with blood or mucous in the stool. It is a very difficult parasite to diagnose in veterinary practice, so many clinicians may just treat your dog for it with a conventional anti-giardia medication.


HYGIENE and COMMON SENSE: Good hygiene and common sense is the best way to prevent your dogs from getting dog worms in the first place. Pick up feces outside on your lawn, and prevent your dog from eating other dogs’ feces. Restrict your dog from drinking water in contaminated creeks, or water that is stagnant in small pools. Practice adequate flea control to limit the likelihood of tapeworms, and ensure that your dog has a hygienic, uncrowded environment to decrease the chances of developing coccidia. CONVENTIONAL OPTIONS: The conventional treatment for dog worms depends upon the type of intestinal parasite your dog has. Roundworms are easy to treat with a common,safe medication called pyrantel palmoate; avoid using any of the older dewormers containing piperazine as they can be very unsafe. Treatment with pyran (pyrantel) is two doses, ten to fourteen days apart. As most puppies have roundworms, I suggest having them all dosed with pyran at six and eight weeks; they may need additional treatments. Tapeworms respond well to treatment with praziquantel, which may be combined with pyran (drontal); generally only one dose is required. Coccidia respond best to the sulfa antibiotics, usually sulfadimethoxine (S-125, or Albon); the dose being 250mg per ten poundsonce daily for fourteen to twenty-one days.

FENBENDAZOLE. (See product below) Giardia can be treated with two common conventional medications: metronidazole and an older dewormer called fenbendazole. Fenbendazole is also effective against other intestinal parasites and is becoming the treatment of choice for giardia. The Fenbendazole dose is 250mg per ten pounds once daily for three to seven days.

DIATOMACEOUS EARTH. This is the most effective and safest holistic de-wormer. It is important to get the DE safe for ingestion. Dose it at 1/2 teaspoon/10lbs twice daily for 21 days to treat most internal parasites. Also works well topically for fleas. (See product below)

PAPAYA. This was shown to be effective in eliminating roundworms in pigs; it may work for your pet, and at the least it will do no harm. PUMPKIN SEED. This has been used for tapeworms. If your pet is a great hunter, always getting reinfested with tapeworms, you may want to consider this. The dose is one teaspoon per ten pounds of body weight of the ground seed.


BLACK WALNUT (Juglans nigra). This is a common antiparasitic used for animals: give one capsule of the ground herb per twenty pounds of body weight. (See product below)

GARLIC. This has shown some activity against giardia (causes beaver fever). It is useful in recurrent infections. 1/4 clove/10lbs daily for 14 days


CINA. For roundworms, use Cina 30C, one tab every eight hours for twenty-one days. FILIX MAS. For tapeworms, use Filix Mas 30C, one tab every eight hours for twenty-one days. Heal Your Pet At Home! Best Wishes, Dr Andrew P.S. I have used ground pumpkin seed effectively on my own animals. DISCLAIMER: This information is for educational purposes only and is not intended to replace the advice of your own veterinarian. Dr Andrew Jones resigned from the College of Veterinarians of B.C. effective December 1 2010, meaning he cannot answer specific questions about your pet’s medical issues or make specific medical recommendations for your pet. Copyright 2021 Four Paws Online Ltd. Tel: 1-800-396-1534 Fax: 1-888-398-1378 Four Paws Online Ltd., 2124 Ymir Road, Nelson, BC V1L6Y9, Canada

Note from Bio-Sil: I have found Diatomaceous Earth the easiest to administer to cats, in their wet food – it blends in well and they don’t seem to notice it. I always add a little colloidal silver as well.  (Yvonne)

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