TOLL FREE 1-800-214-4505 9 am to 6 pm CST (Mon-Sat)
You have no products in your cart

Register Creating an account is easy! You'll be able to checkout faster, manage auto order, track order status and more!

Sentinel Spectrum Chews for Dogs

In Stock
4.8/5 (42 Reviews)
Save 5% on your Auto Delivery Order! Auto Delivery & Save 5%
Select Pack
3 Chews $38.59
6 Chews $76.16
Select Auto Delivery Frequency
  • Information
  • Directions
  • Safety
  • Benefits
Sentinel Spectrum Chews
  • Pet
  • 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 Chewable Tablets for Dogs

Sentinel Spectrum is an oral, broad-spectrum, monthly flea and worming treatment for dogs. It comes in highly palatable, beef and bacon-flavored chewable and is well-received by dogs. This monthly treatment is safe for puppies as young as 6 weeks of age and weighing at least 2lbs.

6-in-1 protection in one tasty chew

The clinically proven formula and unique mode of action of Sentinel Spectrum protect dogs against:

  • Flea infestations (by eliminating flea eggs)
  • 4 types of intestinal parasites
  • Heartworm disease

Protection against fleas:

  • Sentinel Spectrum is indicated for flea treatment and prevention in dogs
  • It controls the flea (Ctenocephalides felis) population by preventing flea eggs from hatching.

Protection against intestinal worms:

  • Sentinel Spectrum treats and controls four types of intestinal nematodes and cestodes.
  • It is effective against hookworms, roundworms, whipworms, and tapeworms.

Protection against Heartworm disease:

  • Sentinel Spectrum chews are proven to be 100% effective against induced heartworm infections when administered once monthly for 6 consecutive months.

How Sentinel Spectrum Chews Work?

Sentinel Spectrum is formulated with three powerful key ingredients: milbemycin oxime, lufenuron, and praziquantel. These components help eliminate intestinal worms, prevent flea eggs from hatching, and protect against heartworm disease.

  • Milbemycin oxime: For the treatment and control of heartworms and intestinal worms
  • Praziquantel: Anthelmintic for the control of adult tapeworms
  • Lufenuron: Insect growth regulator for flea population control
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.


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
  • 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.

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

Average Rating 4.8 Based on 42 Reviews
  • 5 star
  • 4 star
  • 3 star
  • 2 star
  • 1 star
76% of Reviewers Recommend This Product
Write A Review
Controls worms Sep 02, 2023
The chews are very effective in controlling the infection from multiple types of worms
Was this review helpful? 0 0
Effective Jul 01, 2023
Effective treatment. No more fleas on my pet.
Was this review helpful? 0 0
Worked well May 19, 2023
No other chews worked as well as these for us!
Was this review helpful? 0 0
fast acting Apr 18, 2023
This is fastest acting product in the market
Was this review helpful? 0 0
Love it Mar 13, 2023
These chews are life savors, love using them for my dog.
Was this review helpful? 0 0
Quick shipping Feb 02, 2023
It was delivered quickly to our doorstep!
Was this review helpful? 0 0
Efficient chews Dec 16, 2022
Great chews, tasty and efficient in keeping my pet safe from parasites.
Was this review helpful? 0 0
Perfect treatment Oct 03, 2022
These tasty chews are really well working and would recoemmend to every one.
Was this review helpful? 0 0
Amazing Sep 05, 2022
Highly recommended product for every pet parent. Really works well.
Was this review helpful? 0 0
Awesome Formula Jul 26, 2022
My dogs have no hesitation eating this chews, great product
Was this review helpful? 0 0