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Sentinel Spectrum Chews for Dogs

4.5/5 (101 Reviews)
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  • Information
  • Directions
  • Safety
  • Benefits
Information
Sentinel Spectrum Chews
  • Pet
    Dog
  • Treatment For
    Flea, Tick, Worm and Heartworm
  • Health Benefits
    External and Internal Parasite Protection
  • Product Type
    Chewable Tablet
  • Parasites Covered
    fleas,ticks, heartworm, tapeworms, hookworms, roundworms, and whipworms
  • Recommended For
    6 weeks and older puppies
  • Key Ingredients
    Praziquantel,Milbemycin Oxime and Lufenuron.

Sentinel Spectrum Yellow for Large Dogs (25.1 – 50.0 lbs)

Sentinel Spectrum is a highly-palatable, beef and bacon flavored chewable tablet for the treatment and control of fleas, intestinal worms, and for the prevention of heartworms in large dogs and puppies weighing between 25.1 lbs and 50.0 lbs. It is suitable for dogs and puppies as young as 6 weeks of age and should be administered regularly every month for continuous protection.

Sentinel Spectrum Chewables for Dogs (25.1 - 50.0 lbs) – Broad-spectrum treatment against 6 parasites

  • Highly palatable chewable formula, well-received by dogs
  • Prevents flea eggs from hatching and controls flea populations
  • Treats and controls 4 types of intestinal worms
  • Effective against hookworms, roundworms, whipworms, and tapeworms
  • Prevents heartworm disease
  • Safe for dogs and puppies as young as 6 weeks of age

Sentinel Spectrum 25.1 - 50.0 lbs Ingredients & Working

Sentinel Spectrum for Dogs contains milbemycin oxime, lufenuron, and praziquantel as its active ingredients. Milbemycin oxime and praziquantel help in the treatment and control of internal parasites like heartworms, hookworms, roundworms, whipworms, and tapeworms, whereas lufenuron acts against fleas.

Directions
How to Use Sentinel Spectrum Chews for Dogs

  • Doses are based on body weight of your dogs.
  • Doses are intended for once monthly treatments.
  • Administer Sentinel spectrum tablet directly into the mouth of the dog or mix it in the dog food.
  • If you mix it in the dog food, ensure that the dog completes the entire meal for the entire dose for effectiveness.

Dosage:

For Dogs/puppies: (6 weeks of age or older)

  • 2-8 lbs:  Give 1 chewable every month (Orange Box)
  • 8.1-25 lbs: Give 1 chewable every month (Green Box)
  • 25.1-50 lbs: Give 1 chewable every month (Yellow Box)
  • 50.1-100 lbs: Give 1 chewable every month (Blue Box)
  • Dogs over 100 lbs: Give the appropriate combination of chewables
Safety
  • For animal use only.
  • Before starting the treatment get your dog tested for heartworm and follow your vet’s advice.
  • Keep away from children and pets.
  • Store it in a cool and dry place.
  • Do not use for puppies younger than 6 weeks old and/or 2 lbs or less in weight.
Benefits

Sentinel Spectrum Chewable Tablets for Dogs

Sentinel Spectrum is an effective heartworm and flea preventive for dogs. The clinically proven formula has a unique mode of action and provides a protection against a wide range of parasites. It comes in tasty beef flavor, which is easy to administer in dogs. The oral treatment prevents heartworm infection and flea infestation. It eliminates flea eggs and intestinal worms including roundworms, hookworms, tapeworms, and whipworms. Sentinel Spectrum provides a monthly protection.

Sentinel Spectrum : Key Takeaways

  • Delicious beef and bacon flavored chews
  • Treats and controls fleas
  • Controls flea infestations by preventing flea eggs from hatching
  • Prevents heartworms
  • Controls and prevents common gastrointestinal worms including hookworms, roundworms, whipworms, and tapeworms
  • No messy applications, unlike spot-on treatments
  • Once a month easy administration
  • Safe for puppies as young as 6 weeks of age

Sentinel Spectrum Chews Reviews

4.5
Average Rating 4.5 Based on 101 Reviews
  • 5 star
     56
  • 4 star
     45
  • 3 star
     0
  • 2 star
     0
  • 1 star
     0
55%
Recommend
55% of Reviewers Recommend This Product
Write A Review
4.5/5
Average Rating 4.5
Based on 101 Reviews
Full Coverage Chew Apr 17, 2026
Handles fleas and worms in one dose.
Was this review helpful? 0 2
Full Spectrum Apr 10, 2026
Covers a wide range of parasites efficiently.
Was this review helpful? 0 2
Full Coverage Chew Apr 03, 2026
Covers both internal and external parasites.
Was this review helpful? 0 2
Full Protection Mar 27, 2026
Covers both heartworms and intestinal worms.
Was this review helpful? 0 1
Complete Care Mar 20, 2026
Covers heartworms and intestinal worms in one chew.
Was this review helpful? 0 1
Total Care Mar 13, 2026
Covers heartworms and other worms effectively.
Was this review helpful? 0 1
Comprehensive Care Feb 28, 2026
Covers worms and helps manage fleas.
Was this review helpful? 0 0
Broad Spectrum Feb 21, 2026
Covers all the major worms and more.
Was this review helpful? 0 0
Comprehensive Feb 14, 2026
Covers worms and fleas in one monthly chew.
Was this review helpful? 0 0
Easy to Chew Feb 07, 2026
The tabs are super easy to chew.
Was this review helpful? 0 0
Nice Jan 09, 2026
Nice dewormer. Perfectly suits my pet.
Was this review helpful? 0 0
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