Signs & Treatment of Intestinal Parasites

Interceptor Plus is a tasty chew which controls intestinal parasites including roundworms, hookworms, whipworms and tapeworms and prevents heartworm disease. Give every 30 days.  ​

Sentinel Spectrum treats and controls roundworms, hookworms, whipworms and tapeworms. The tasty chews also prevent heartworm disease and control fleas. Give every 30 days. Sentinel prevents flea eggs from hatching, but does not help treat adult flea infestations. We recommend pairing Sentinel with a flea preventative that also kills adult fleas.

Chewable - Interceptor Plus and Sentinel Plus (Canine only)  & Heartgard (Canine & Feline only)

Interceptor Plus & Sentinel Plus are both chewable preventatives that your dog takes like a treat once a month. Their primary focus is heartworm prevention, but they also fight intestinal parasites. A similar chewable is Heartgard. With these, it is important that you set a reminder for yourself to give your pet his medicine on or about the same day every month. This will help with continuous protection. Always read the included instructions and speak to your vet before administering medications.

Revolution for Cats protects from heartworms and treats and controls fleas, ear mites, roundworms and hookworms. 

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Intestinal Parasites

Intestinal parasites affect your pet’s digestive system, so common signs are weight loss, diarrhea and vomiting. Depending on the type of parasite, you may also be able to see them (or pieces of them) in your pet’s stool.


Treatment will vary based on the type of parasite your pet has, so if you see any symptoms, call your veterinarian right away. Usually, following infestation confirmation (likely after a fecal exam), your pet will be prescribed oral medication or given an injection to kill the parasites. We would recommend (especially with a roundworm infestation) also thoroughly ridding your yard of waste to prevent re-contamination. If your pet is severely dehydrated, an IV may be required. 


Consult your veterinarian for treatment options that are right for your pet.

Topical - Revolution (Canine & Feline)

Topical treatments are applied monthly to your pet’s skin and are best for pets who will sit still during the application and while the liquid dries. Topical preventatives should also be given on or about the same day every month. Always read the included instructions and speak to your vet before administering medications.

Dogs and cats most often contract intestinal parasites when inadvertently ingesting parasite eggs or spores found in contaminated soil, water, feces or food.

There are a variety of intestinal parasites that your dog or cat can contract. Intestinal parasites include roundworm, hookworm, whipworm, tapeworm and protozoa such as giardia and coccidia. Tapeworms can be transmitted when a dog or cat eats an infected flea. Others are commonly transmitted when a dog or cat eats feces. Some, on the other hand, are transmitted to puppies and kittens from their mother either in-utero or from nursing.

Intestinal Parasite Prevention

 Revolution for Dogs is a topical liquid which prevents flea and heartworm infections and controls ear mites, sarcoptic mange and American dog ticks.

Because your pet’s activity is sometimes unpredictable (you may not always know what your pet is eating when he or she is outside or when you're not home), keeping them on a preventative is important to their health. Although individual types of intestinal parasites react differently in your pet’s body, often they can all be prevented with the same treatments.


Intestinal parasite preventatives are commonly part of the flea, tick and/or heartworm preventative you are already giving your pet. They can either be chewable or topical. Discuss the options with your veterinarian to determine which is best for your pet.