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Sentinel Tablet for Dogs

by Virbac

This item requires prescription approval.

Prescription medications are currently limited to CA residents. More states coming soon!!

Original price $46.99 - Original price $71.99
Original price
$46.99 - $71.99
Current price $46.99
Size: 2lbs-10lbs
Count: 6 Month

The palatable once-a-month prescription tablet that prevents heartworm disease and flea populations in dogs and puppies. SENTINEL® FLAVOR TABS® also control flea populations and adult hookworms, and remove and control adult roundworm and whipworm infections in dogs and puppies.


  • Protects against 5 different kinds of parasites.
  • Unique to SENTINEL brand products, lufenuron prevents flea eggs from hatching
  • Also protects against heartworms, hookworms, roundworms and whipworms.
  • SENTINEL FLAVOR TABS does all this with a once-a-month pork, liver-flavored tablets dogs love.

Consult with your veterinarian for proper dosage and course of treatment.


Without concurrent use of an adulticide, adequate flea control may not be achieved in dogs that have repeated exposure to flea infested animals or environments.


Do not use in puppies less than four weeks of age and less than two pounds of body weight. Prior to administration of SENTINEL FLAVOR TABS, dogs should be tested for existing heartworm infections. Infected dogs should be treated to remove adult heartworms and microfilariae prior to initiating treatment with SENTINEL FLAVOR TABS. Mild, transient hypersensitivity reactions manifested as labored respiration, vomiting, salivation and lethargy have been noted in some treated dogs carrying a high number of circulating microfilariae

Food and Drug Interactions


Human Warnings

Not for human use. Keep this and all drugs out of the reach of children.

Possible Side Effects

The following adverse reactions have been reported in dogs after giving milbemycin oxime or lufenuron: vomiting, depression/lethargy, pruritus, urticaria, diarrhea, anorexia, skin congestion, ataxia, convulsions, hypersalivation, and weakness

Contact your veterinarian if you believe your pet is experiencing side effects.

Product Administration


Product Form

Flavor Tabs


milbemycin oxime, lufenuron


Store in a dry place at controlled room temperature, between 59° and 77°F (15-25°C).


Merck Animal Health, Intervet Inc

Prescribing Info/Brochures