A spectrum of protection against
unseen parasites

With SENTINEL® SPECTRUM® Chews, your canine patients and their owners can live life to the fullest—free from fear of parasites they may not see.

SENTINEL® SPECTRUM® CHEWS

Protect your dog from a wide range of parasites with a unique combination of active ingredients.

  • Protects against 6 different types of parasites, including tapeworms.
  • Unique to SENTINEL brand products, lufenuron stops flea eggs from hatching.1
  • Also protects against heartworms, tapeworms, hookworms, roundworms, and whipworms.1
  • SENTINEL SPECTRUM does all this with convenient and effective once-a-month dosing and a soft beef and bacon-flavor dogs love.2,3

Dosing for SENTINEL SPECTRUM Chews

To ensure adequate absorption, always administer SENTINEL SPECTRUM Chews to dogs immediately after or in conjunction with a normal meal.

Shown to be Safe

In a margin of safety study, 40 ten-week-old puppies (10 per group) were administered either a placebo or doses of 1, 3, or 5X the maximum exposure dose of SENTINEL SPECTRUM Chews once every 2 weeks for a total of 7 treatments. All clinical signs resolved within 24 hours.1 SENTINEL SPECTRUM Chews has also been shown to be safe for puppies as young as 6 weeks of age, as demonstrated by a second study.1

Taste Tested

In a field study of 117 dogs, greater than 99% accepted the SENTINEL SPECTRUM CHEWS.1

SENTINEL SPECTRUM Chews are indicated for the prevention of heartworm disease caused by Dirofilaria immitis; for the prevention and control of flea populations (Ctenocephalides felis); and for the treatment and control of adult roundworm (Toxocara canis, Toxascaris leonina), adult hookworm (Ancylostoma caninum), adult whipworm (Trichuris vulpis), and adult tapeworm (Dipylidium caninum, Taenia pisiformis, Echinococcus multilocularis and Echinococcus granulosus) infections in dogs and puppies two pounds of body weight or greater and six weeks of age and older. Available in prescription only.

Download the
SENTINEL SPECTRUM Detailer

With SENTINEL® SPECTRUM® Chews, your canine patients and their owners can live life to the fullest—free from fear of parasites they may not see.

A SPECTRUM
OF PROTECTION

PROTECTION AGAINST UNSEEN THREATS

Stay informed of the most recent news, studies, webinars, programs and product information from Merck Animal Health.

SENTINEL SPECTRUM CHEWS: 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.

  1. SENTINEL® SPECTRUM® CHEWS [prescribing information]. Madison, NJ: Merck Animal Health; 2020.
  2. Data on file. Merck Animal Health.
  3. SENTINEL® SPECTRUM® CHEWS [Freedom of Information] NADA #141-333.