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6 Reasons to Choose Sentinel?
  • Treats and prevents multiple types of parasitic infections.
  • Remains effective for a month.
  • Protects against heartworms.
  • Kills fleas and flea larvae.
  • Eliminates roundworms, hookworms and whipworms.
  • Safe for dogs and puppies from 8 weeks of age as wella s breeding queens.
  • Overview
  • Benefits
  • Direction
  • Safety
  • Ingredients
Overview

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.

Benefits of The Product
Direction
Safety
Ingredients

Customer Reviews

Reviews
Rating Summary
37 Review(s)
5 star
29.73%
4 star
70.27%
3 star
0%
2 star
0%
1 star
0%
Overall Rating

4.4 Star

Average Customer Ratings
Quality of Product
3.9
Value of Product
4
Pet Satisfaction
3.9
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Savior
submitted by Jacob on Jan 27, 2026

Saved me from expensive vet bills

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Quality of Product
2.0
Value of Product
2.0
Pet Satisfaction
2.0
Hoping for the best
submitted by Hannah on Dec 25, 2025

Happy with the way it has turned out for my pet

Was this review helpful?
Quality of Product
2.0
Value of Product
2.0
Pet Satisfaction
2.0
A must have
submitted by Robert on Nov 28, 2025

This is one of the most effective products I have used so far!

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Quality of Product
2.0
Value of Product
2.0
Pet Satisfaction
2.0
Best
submitted by Kylie on Oct 28, 2025

I am really impressed with the results.

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Quality of Product
4.0
Value of Product
4.0
Pet Satisfaction
4.0
Recommended
submitted by Khalid on Sep 27, 2025

Highly recommended for every pet parent

Was this review helpful?
Quality of Product
5.0
Value of Product
5.0
Pet Satisfaction
4.0