Man paddling canoe with two dogs.

A SPECTRUM OF PROTECTION
AGAINST UNSEEN* PARASITES

Man paddling a canoe with two dogs
Blue parasite icons
Dog looks at the sky
Sentinel Spectrum Chews logo

SENTINEL SPECTRUM CHEWS

delivers a spectrum of protection for your dog against the parasites that can go unseen. It protects against heartworm disease, 4 types of intestinal parasites, and prevents flea eggs from hatching.1

Sentinel Spectrum Chews packaging
Little dog plays in grass
Sentinel Flavor Tabs logo

SENTINEL FLAVOR TABS

provides comprehensive coverage you can trust. For over 20 years, it’s been protecting dogs against heartworm disease, 3 types of intestinal parasites, and preventing flea eggs from hatching.2

Sentinel Flavor Tabs packaging

Special offer blue icon
Sentinel Spectrum Chews logo
Sentinel spectrum chews packaging for 25.1-50 lbs dogs
Bravecto chews packaging
Bravecto chews brand
Special offer blue icon
Sentinel spectrum chews and Bravecto chews logos and packaging

REBATES ON SENTINEL BRAND PRODUCTS
& BRAVECTO BRAND PRODUCTS

Find peace of mind that your pet has extensive protection against many seen and unseen parasites with SENTINEL Brand Products and BRAVECTO Brand Products.
Save up to $75 when you buy comprehensive parasite protection for your pet today!

UNSEEN THREATS

Blue heartworms icon

Heartworms

Blue hookworms icon

Hookworms

Blue roundworms icon

Roundworms

Blue whipworms icon

Whipworms

Blue tapeworms icon

Tapeworms

Blue immature fleas icon

Immature Fleas

Heartworms, hookworms, roundworms icons
Whipworms, Tapeworms, Immature Fleas icons

They’re out there. They’re all around us. And even though they may not be seen, is your dog at risk? Get the facts about the unseen parasites in dogs that can make your dog sick.

PREVALENCE OF HEARTWORM DISEASE IN THE UNITED STATES

Orange heat map of the United States showing the number of heartworm cases

SEE IF YOUR VETERINARIAN CARRIES
SENTINEL BRAND PRODUCTS

SENTINEL Brand Products require a prescription from a veterinarian.
Enter your ZIP code below to see which ones carry SENTINEL Brand Products.

Sentinel logo

For technical assistance or to report a suspected adverse drug reaction, contact Merck Animal Health at 1-800-224-5318.

Important Safety Information:
SENTINEL® SPECTRUM® Chews (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. For complete product information refer to the product insert.
SENTINEL® FLAVOR TABS® (milbemycin oxime/lufenuron). Dogs should be tested for heartworm prior to use. In a small percentage of treated dogs, digestive, neurologic, and skin side effects may occur. For complete product information refer to the product insert.

References: 1. SENTINEL® SPECTRUM® Chews [product label]. Madison, NJ: Intervet, Inc.; 2020. 2. SENTINEL® FLAVOR TABS® [product label]. Madison, NJ: Intervet, Inc.; 2020. 3. Parasite prevalence maps: 2020 Heartworm canine. Companion Animal Parasite Council. Accessed May 21, 2021. https://capcvet.org/maps/#/2020/all-year/heartworm-canine/dog/united-states