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Frequently Asked Questions

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      Not all heartworm preventives provide the same comprehensive protection. Sentinel Flavor Tabs are chewable tablets that protect dogs against heartworms, roundworms, hookworms plus whipworms and fleas. Sentinel Spectrum is a soft chewable that adds tapeworm protection to the coverage offered by Sentinel Flavor Tabs.

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      Both are chewable tablets that are given by mouth with a meal, but Sentinel Spectrum is soft and beef-and-bacon flavored.

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      You should administer the chewable tablets on the same day once a month. Sign up for Remind My Pet if you’d like to receive a monthly reminder.

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      Both Sentinel Spectrum and Sentinel Flavor Tabs offer the same great heartworm and intestinal parasite protection as Interceptor Flavor Tabs, but they offer flea protection as well. Sentinel Spectrum chewables also treat and control tapeworms.

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      Novartis Animal Health US, Inc. only sells its products to licensed veterinarians because it believes the client-veterinarian-patient relationship is important for pet health. Use our Find a Vet feature if you need to find a veterinarian near you.

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      Yes. Talk to your veterinarian about the appropriate dose for your pet.

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      If you forget to give your dog a dose of either medication, administer the missed dose as soon as possible and resume your monthly administration schedule from the date of that dose. Contact your veterinarian if you have missed more than one dose or if your pet has been in recent contact with mosquitoes.

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      You may see an occasional “hitchhiker” adult flea that your dog has picked up at the dog park or in the yard or other infested environments. Since Sentinel Flavor Tabs stop fleas before they become adults, you will need an adulticide, such as CAPSTAR® (nitenpyram) Tablets, to eliminate the occasional adult flea.

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      No, both Sentinel Spectrum and Sentinel Flavor Tabs are only approved for use in dogs.

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      Yes, you save money with this rebate while you can provide broad-spectrum parasite protection for your dog.

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      It’s easy to save money when purchasing flea prevention medication while protecting your dog against heartworms and intestinal parasites. Once you’ve made your purchase at your veterinarian’s office, visit our secure online Rebate Center and follow the easy instructions to register and receive your rebate.

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      In addition to providing heartworm protection, you’ll also be protecting your dog against fleas and the most common intestinal parasites — roundworms, hookworms, whipworms and tapeworms.

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      For optimal heartworm protection, you should administer Sentinel Spectrum every month. Give your dog the chewable tablet on the same day every month. Sign up for Remind My Pet if you’d like to receive a monthly reminder.

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      Both products protect dogs against heartworms, roundworms and hookworms, but Sentinel Spectrum also treats and controls three parasites that Heartgard Plus tablets don’t — fleas, tapeworms and whipworms.

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      In addition to providing heartworm protection, you’ll also be protecting your dog against fleas and the most common intestinal parasites — roundworms, hookworms and whipworms.

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      For optimal heartworm protection, you should administer Sentinel Flavor Tabs every month. Give your dog the chewable tablet on the same day every month. Sign up for Remind My Pet if you’d like to receive a monthly reminder.

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      Both products protect dogs against heartworms, roundworms and hookworms, but Sentinel Flavor Tabs also protect against two parasites that Heartgard Plus tablets don’t — fleas and whipworms.

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      Both Sentinel Spectrum and Sentinel Flavor Tabs must be dispensed by a veterinarian. If you’re looking for flea, heartworm and parasite protection for your dog, visit your veterinary clinic or find a veterinarian using this website’s Find a Vet feature.

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      Dog heartworm disease is a serious, sometimes fatal condition that affects the heart and lungs.

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      Signs include lack of energy, coughing, weight loss and labored breathing.

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      Both dogs and cats can get heartworm disease. Infected mosquitoes release heartworm larvae when biting a dog, which mature into worms that lodge in the heart and lungs.

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      Even indoor dogs are at risk for heartworm disease. No matter where you live, there’s a potential for an infected mosquito to bite your dog.

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      Yes, an annual screening is required. Dogs must be screened for heartworm disease every year with a simple blood test.

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      A dog with heartworm disease will require special medication. Heartworm treatment is a complicated, lengthy and expensive process. That’s why heartworm prevention is so important.

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      Heartworm prevention is as easy as giving your dog Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel) or Sentinel® (milbemycin oxime/lufenuron) Flavor Tabs® once a month all year long.

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      Visit the American Heartworm Society and the Companion Animal Parasite Council websites for comprehensive reviews of heartworm disease.

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      Dogs can pick up fleas from an infested environment.

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      You should check for a flea infestation if your dog is scratching more than usual and there are tiny red or black specks visible when you part his fur. Your dog may also lose hair and have reddened patches of skin. Since fleas feed on a dog’s blood, a heavy infestation may lead to anemia.

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      The fleas on a dog are only the tip of the iceberg. Only 5% of fleas are adults biting a dog, the other 95% are immature stages living in a dog’s favorite resting spots — the carpet, the couch, the bed.*
      *Dryden M, MacDonald J, Hnilica K, et al. 2005 Guidelines: Flea Control on Dogs and Cats.

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      Flea prevention is better than flea treatment. In addition to protect your dog against heartworms and intestinal parasites, giving your dog Sentinel® (milbemycin oxime/lufenuron) Flavor Tabs® once a month kill flea eggs before they hatch, breaking the flea life cycle.

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      Dogs most often pick up tapeworm eggs by swallowing an infected flea or ingesting flesh from an infected rabbit or rodent.

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      Your dog may not show any signs of illness. The first sign of an infection is typically the presence of cucumber seed–like eggs on a dog’s rear end or tapeworm sections in its feces.

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      Dogs are often without symptoms. In the case of a heavy infection, a dog may lose weight.

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      Tapeworm treatment is fairly simple. Your veterinarian will administer a dewormer that will clear the worms from your dog’s system.

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      Tapeworm prevention is as easy as giving your dog Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel) once a month all year long.

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      Dogs most often pick up whipworm eggs from outdoor areas contaminated with dog feces.

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      Your dog may not show any signs of illness in the early stages of the infection.

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      Whipworms live in a dog’s gastrointestinal tract and can cause loss of appetite, dehydration, bloody diarrhea, anemia and even death if the infection goes untreated.

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      Whipworm treatment is fairly simple. Your veterinarian will administer a dewormer that will clear the worms from your dog’s system.

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      Whipworm prevention is as easy as giving your dog Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel) or Sentinel® (milbemycin oxime/lufenuron) Flavor Tabs® once a month all year long.

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      Dogs usually acquire adult hookworms from ingesting hookworm eggs found in the environment or from hookworm larvae penetrating a dog’s skin. Puppies usually acquire hookworms from their mothers, either before birth or while nursing.

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      Hookworms live in a dog’s digestive system and can cause weight loss, bloody diarrhea and anemia.

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      Hookworm treatment is fairly simple. Your veterinarian will administer a dewormer that will clear the worms from your dog’s system. The challenge is that once the environment is contaminated with either hookworm (or whipworm) eggs, the chances of a dog becoming repeatedly infected is very high. That’s one more reason to give Sentinel Flavor Tabs every 30 days all year round.

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      Hookworm prevention is as easy as giving your dog Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel) or Sentinel® (milbemycin oxime/lufenuron) Flavor Tabs® once a month all year round.

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      Dogs typically get roundworms from the soil or infected animals, such as mice. Puppies acquire the infection from their mothers.

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      Roundworms affect the digestive system, causing a range of symptoms, including a rough hair coat, bloated belly, stunted growth, vomiting and diarrhea.

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      Roundworm treatment is fairly simple. Your veterinarian will administer a dewormer that will clear the worms from your dog’s system.

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      Dog whipworm prevention is as easy as giving your dog Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel) or Sentinel® (milbemycin oxime/lufenuron) Flavor Tabs® once a month all year long.

© 2014 Novartis Animal Health US, Inc. Sentinel, Spectrum and Flavor Tabs are registered trademarks of Novartis AG. Heartgard® and the Dog & Hand logo are registered trademarks of Merial. SSC14XXXXX
IMPORTANT SAFETY INFORMATION CLOSE

Sentinel® Spectrum® (milbemycin oxime/lufenuron/praziquantel): Dogs should be tested for heartworm prior to use. Mild hypersensitivity reactions have been noted in some dogs carrying a high number of circulating microfilariae. Treatment with fewer than 6 monthly doses after the last exposure to mosquitoes may not provide complete heartworm prevention. Please see full product label for more information.