Sentinel Spectrum Rx
Starting At $51.49

Sentinel Spectrum Rx

$51.49
Or save an extra 5% (up to $20) with Autoship* $48.92

  • Guaranteed lowest authorized price. Learn more.

  • Manufacturer Authorized Retailer

  • Usually ships the same weekday before 3pm CT with veterinary approval.

  • Requires veterinary authorization.

  • Your pet's veterinarian will provide directions for use.

What is Sentinel Spectrum for Dogs?

  • Sentinel Spectrum make it easy to protect your pup from the worst pests.
  • Give your dog one beef-flavored chewable a month to prevent, control, and treat intestinal worm infections - heartworms, hookworms, roundworms, tapeworms, and whipworms.
  • Sentinel Spectrum also breaks the flea life cycle by stopping the development of flea eggs.

Why do dogs use Sentinel Spectrum?

  • Veterinarians prescribe Sentinel Spectrum to prevent heartworm infections.
  • Sentinel Spectrum also treat roundworm, hookworm, tapeworm, and whipworm infections.
  • It also controls flea populations.

What else should I know about Sentinel Spectrum?

  • Dogs think the great tasting beef-flavored chewables are treats so dosing is a snap.
  • One chewable protects your dog from heartworm, hookworms, roundworms, tapeworms, and whipworms.
  • Stops the flea life cycle.
  • Once a month dosing.
  • Looking for Sentinel Flavor Tabs?
  • The American Heartworm Society and most veterinarians recommend an annual heartworm test before prescribing a heartworm preventative for your dog or cat. Dogs and cats with existing heartworm infections can have serious reactions after taking this.
  • Talk with your veterinarian for more information and to find the best flea and tick preventative to complement this product.
  • Sentinel is sold as a prescription drug in a maximum of a 12-month supply per dog per year.
  • To buy the same size for more than one dog, add what you need to the cart. You can split the amount to different dogs in checkout!
  • Contact your local waste management about the safe disposal of Sentinel. It can be very toxic to fish and wildlife.

What problems could my dog have with Sentinel Spectrum?

  • Sentinel Spectrum does not kill adult fleas, so you may need to treat your dog with an additional medication to control adult fleas.
  • Keep out of reach of other animals. Overdoses can also be serious. Contact your veterinarian if you suspect an overdose.
  • Contact your veterinarian immediately if you see neurologic signs such as coma, weakness, clumsiness, dilated pupils, trembling, excessive drooling, or if your dog presses its head against the wall.

How do you use Sentinel Spectrum?

  • Sentinel Spectrum may be given with food to help avoid upset stomach. Follow your veterinarian's directions.

What is in Sentinel Spectrum?

  • Sentinel Spectrum has three active ingredients, the parasiticides Milbemycin Oxime, Lefenuron, and Praziquantel.
  • Milbemycin Oxime, works on two levels to protect your dog from intestinal worms. It stops heartworm larvae from developing and kills adult roundworms, hookworms, and whipworms.
  • Lufenuron, an insect development inhibitor, stops flea eggs from maturing and breaks the flea life cycle.
  • Praziquantel protects against tapeworms.

Will I get what I see in the picture?

  • Sentinel is a brand name. You will receive the exact brand that you request.

Is it important for my dog to finish all of the Sentinel Spectrum?

  • Dogs may use Sentinel Spectrum for different lengths of time. Please consult your veterinarian if you have any questions.