Product
Back to all products
Heartworm

Sentinel Flavor Tabs for Dogs

Brand: Virbac

Sentinel Flavor Tabs are a once-monthly oral medication designed to prevent heartworm disease while simultaneously controlling flea populations and treating intestinal parasites in dogs.

This product is intended for dogs.

OTCDogsRx Required

Overview

Sentinel Flavor Tabs, manufactured by Virbac, represent a comprehensive approach to internal and external parasite control for canine companions. Unlike traditional heartworm preventatives such as Iverhart Plus or Tri-Heart Plus, which focus primarily on heartworm and certain intestinal worms, Sentinel works by combining milbemycin oxime with lufenuron. This unique dual-action formula not only kills the developing larvae of the heartworm Dirofilaria immitis but also inhibits the development of flea eggs and larvae. It functions as an insect growth regulator, effectively breaking the flea life cycle before the insects can reach maturity, which distinguishes it from alternatives like Iverhart MAX or Filaribits Plus. For owners seeking even broader protection, the company offers Sentinel Spectrum, which adds tapeworm treatment to the profile. While injectable preventatives like ProHeart 12 or ProHeart 6 offer convenience through long-acting coverage, many veterinarians prefer the monthly oral consistency of Sentinel for its proven safety record and long-term efficacy. It is distinct from topical solutions like Advantage Multi for Dogs, providing a clean, mess-free option that is palatable for most dogs. By integrating heartworm prevention with environmental flea management, Sentinel provides a robust defense against common canine parasites, ensuring the health of the dog and the cleanliness of the home environment. It is far more advanced than older generic options like Dimmitrol, Valuheart, HeartShield Plus, or Cardotek Plus, which were often limited in their scope of protection.

What It's For

  • Heartworm Prevention: Kills the tissue stage of heartworm larvae to prevent heartworm disease.
  • Flea Control: Inhibits the development of flea eggs, ensuring they do not hatch or reach the adult stage.
  • Intestinal Parasite Control: Treats and controls hookworm infections caused by Ancylostoma caninum.
  • Intestinal Parasite Control: Treats and controls roundworm infections caused by Toxocara canis and Toxascaris leonina.
  • Intestinal Parasite Control: Treats and controls whipworm infections caused by Trichuris vulpis.

How To Use

Sentinel Flavor Tabs are administered orally once per month, preferably on the same date each month, to ensure consistent protection. The tablet should be given with a full meal, as the absorption of the active ingredients is significantly optimized when consumed alongside food. Owners should place the tablet in the dog's mouth or mix it into a portion of their regular meal to encourage voluntary consumption. If the dog does not readily eat the tablet, it can be hidden in a small piece of cheese or a specialized pill pocket to facilitate ingestion. Consistency is vital for the effectiveness of the medication. Owners should ensure the entire dose is consumed and that the dog does not spit out any portion of the tablet. If a dose is missed or delayed, consult your veterinarian immediately regarding the appropriate catch-up schedule. Because Sentinel must be administered consistently throughout the year, especially in regions with high mosquito populations, establishing a monthly reminder on your calendar or through your veterinary clinic's mobile app is highly recommended to maintain uninterrupted coverage.

Precautions

Sentinel Flavor Tabs require a veterinary prescription following a negative heartworm test to ensure safety and efficacy. It should not be used in dogs with known hypersensitivity to milbemycin oxime or lufenuron. Prior to beginning treatment, it is critical to have your dog tested for heartworms, as administering this medication to an animal already infected with adult heartworms can lead to serious adverse reactions. Store the product in a cool, dry place out of the reach of children and pets. If a dog accidentally ingests a dose higher than the recommended amount, contact your local animal emergency clinic or poison control center immediately. While side effects are rare, they may include vomiting, depression, or lethargy; should these occur, consult your attending veterinarian for further guidance.

Key Benefits

  • Dual-Action Protection: Combines heartworm prevention with an insect growth regulator for comprehensive parasite management.
  • Palatable Formulation: Designed as a flavor tab that many dogs accept as a treat, making administration simple and stress-free.
  • Flea Life Cycle Interruption: Effectively stops future flea infestations by preventing eggs from maturing into biting adults.
  • Proven Efficacy: Trusted by veterinarians for decades, providing a high safety profile for long-term monthly use.
  • Comprehensive Coverage: Protects against heartworm, roundworms, hookworms, and whipworms in a single, easy-to-dose tablet.

Frequently Asked Questions

This information is educational only. Always consult a licensed veterinarian before using new products on your pet.

Advertisement
VetCostIQ — List your veterinary hospital for free