Sentinel For Dogs 51-100 lbs (White)

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Sentinel for Dogs - Heartworm, Flea and Worm Treatment

Sentinel flavor tablets for dogs are tasty chews to be given once a month for preventing heartworm diseases, treat intestinal parasites like roundworms and inhibit flea infestations in dogs. The beaf-flavored tablets are highly effective in inhibiting heartworm infections and keep dogs safe from fatal diseases. This oral treatment is to administer and needs to be given all year around.

Manufactured by Novartis, Sentinel flavor tablets are an effective oral treatment for preventing heartworm infections. It also treats a broad spectrum internal and external parasites including whipworms, hookworms, roundworms and fleas. By killing the intermediate stages of the flea life cycle, it prevents re-infestations.

Lufenuron, the active ingredient is an Insect Development Inhibitor (IDI), which blocks the reproduction of parasites like fleas and thus reduces chances of re-infestations. It is given as a single mealtime dose and remains effective for a span of 30 days. Easy to administer, this oral treatment is a treat for the pets and is safe for 8 weeks and older puppies, dogs and pregnant females.


  • Milbemycin Oxime
  • Lufenuron


Novartis / Elanco
  • One treatment for treating and preventing multiple types of parasitic infections.
  • Oral treatment given as a single mealtime dose that remains effective for an entire month.
  • Safe for 8 weeks and older puppies, dogs and breeding females.
  • Effective prevention for heartworm infections and diseases.
  • Kills fleas, flea larvae, roundworm, whipworm and hookworm.
  • Active ingredient Lufenuron has no toxicity in mammals so is safe to use.

Get your pet checked for an existing heartworm infection. He/She should not be infected at the time of starting Sentinel flavor tablets.

Sentinel is available in four different color-coded packs depending on the size and weight of the dog. Weigh your pet and choose the suitable pack.

The oral treatment is given after single bedtime meal once a month. Beef flavored tablets are loved by dogs and they take it as a treat. Otherwise mix with the meal and make sure the pet finishes the entire dosage.

Repeat every month, if possible then on the same date. Breeding and pregnant females should be given the tablets at mating time, prior to whelping and then every month.

Consult veterinarian for further guidance.


Dog weight

Dog size

Pack color

2-10 lbs

Very Small


11-25 lbs



26-50 lbs



51-100 lbs



  • Before starting the medication, have your veterinarian confirm, by a simple test, that your dog does not have heartworm as some mild, transient, shock-like reactions have occurred when treating heartworm positive dogs.
  • This is a prescription medicine.
  • In some cases, adverse reactions like vomiting, diarrhea, depression/lethargy or pruritus have been reported.
  • Contact your veterinarian if any unusual signs develop in your dog after treatment.

Ratings & Reviews

Based on 5 Review(s)

Average Rating


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Most Recent Reviews
  • Cookie
    Best you can get
    Feb 20, 2023

    Sentinel is a great product and this store is the best to order it.

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  • Cookie
    Excellent product
    Sep 24, 2022

    The product is value for money and their services and delivery times are also good.

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  • Cookie
    Aug 01, 2022

    This product is just brilliant!

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  • Cookie
    Tasty Beef-flavored Chews
    Feb 09, 2022

    My furry friends never hesitate to take these beef-flavored chews. Easy to feed and effective for parasites control as well. Will definitely buy this again.

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  • Cookie
    Best and Effective
    Feb 08, 2022

    Best and effective treatment I have ever had for my pal. Will definitely buy this again.

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