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highlights
  • Effectively prevents heartworm disease caused by Dirofilaria immitis
  • Controls flea populations
  • Treats and controls hookworm, roundworm, whipworm and tapeworm infections
  • Prevents flea eggs from hatching
  • Soft beef and bacon flavored chew
Information
tab article

Sentinel Spectrum for Dogs 8.1-25 lbs (Green)

Sentinel Spectrum for Dogs (Green) is a monthly beef and bacon-flavored chew formulated for dogs weighing 8.1-25 lbs. Featuring a unique combination of 115 mg lufenuron, 5.75 mg milbemycin oxime, and 57 mg praziquantel, this broad-spectrum parasite treatment helps protect against multiple internal and external parasites in a single monthly dose.

This convenient oral chew helps prevent heartworm disease, treats and controls tapeworms, hookworms, roundworms, and whipworms, and helps prevent and control flea infestations by breaking the flea life cycle before flea eggs can hatch. Suitable for dogs and puppies from 6 weeks of age and weighing 8.1-25 lbs, Sentinel Spectrum Green provides comprehensive monthly parasite protection in a palatable chew dogs enjoy.

How to Use
  • Administer Sentinel Spectrum orally once every month.
  • Give immediately after or together with a normal meal to ensure proper absorption.
  • Offer the chew by hand or mix with a small amount of food.
  • Encourage your dog to chew the tablet rather than swallow it whole.
  • Chews may be broken into smaller pieces if needed.
  • Ensure your dog consumes the entire dose.
  • Observe your dog for several minutes after administration.
  • If part of the dose is lost or rejected, redosing is recommended.
  • Continue monthly administration year-round for ongoing protection.
  • When switching from another heartworm preventative, administer the first Sentinel Spectrum dose within one month of the previous product.

Dosage Guide:

Dog Weight Pack Color Lufenuron Milbemycin Oxime Praziquantel Monthly Dose
2–8 lbs Orange 46 mg 2.3 mg 22.8 mg One chew
8.1–25 lbs Green 115 mg 5.75 mg 57 mg One chew
25.1–50 lbs Yellow 230 mg 11.5 mg 114 mg One chew
50.1–100 lbs Blue 460 mg 23 mg 228 mg One chew
Over 100 lbs Administer an appropriate combination of Sentinel Spectrum chews according to body weight.
Safety
  • For use in dogs and puppies from 6 weeks of age and older.
  • Dogs should be tested for existing heartworm infection before starting treatment.
  • Not effective against adult heartworms.
  • Do not use in puppies under 6 weeks of age.
  • Do not use in dogs weighing less than 2 lbs (0.9 kg).
  • Keep out of reach of children.
  • For animal use only.
  • Monitor dogs after administration to ensure the full dose is consumed.

Precautions

  • The safety of Sentinel Spectrum has not been evaluated in breeding dogs or lactating females.
  • Consult your veterinarian before beginning a heartworm prevention program.
  • Maintain monthly administration for at least 6 months after the last mosquito exposure.
  • Missing doses may reduce protection against heartworm disease.
  • Use only the strength appropriate for your dog's body weight.

Storage & Disposal

  • Store at room temperature between 59°F and 77°F (15°C–25°C).
  • Keep in the original packaging until use.
  • Store in a cool, dry place.
  • Keep out of reach of children and pets.
  • Dispose of unused product and packaging responsibly.

Product Details

Product Form: Soft beef and bacon-flavored chew

Find the Right Size

Product Name Dog Weight Pack Color
Sentinel Spectrum for Dogs 2–8 lbs 2–8 lbs Orange
Sentinel Spectrum for Dogs 8.1–25 lbs 8.1–25 lbs Green
Sentinel Spectrum for Dogs 25.1–50 lbs 25.1–50 lbs Yellow
Sentinel Spectrum for Dogs 50.1–100 lbs 50.1–100 lbs Blue

Available Pack Sizes: 3 Chews, 6 Chews, 12 Chews

Sentinel Spectrum Tasty Chews Ingredients

Active Ingredients: Milbemycin Oxime, Lufenuron, Praziquantel

FAQ

Q. What is Sentinel Spectrum used for?

A. Sentinel Spectrum is a monthly broad-spectrum parasite control chew that helps prevent heartworm disease, controls flea populations, and treats common intestinal worms in dogs.

Q. What parasites does Sentinel Spectrum protect against?

A. It helps protect against heartworms, flea populations, tapeworms, hookworms, roundworms, and whipworms.

Q. How does Sentinel Spectrum control fleas?

A. Sentinel Spectrum contains lufenuron, which prevents flea eggs from developing and hatching, helping break the flea lifecycle and reduce future infestations.

Q. Does Sentinel Spectrum kill adult fleas?

A. Sentinel Spectrum primarily controls flea populations by preventing flea development. It does not function as a fast-acting adult flea treatment.

Q. How often should I give Sentinel Spectrum?

A. Sentinel Spectrum should be administered once every month, preferably with or immediately after a meal.

Q. Can puppies use Sentinel Spectrum?

A. Yes. Sentinel Spectrum is suitable for puppies from 6 weeks of age and weighing at least 2 lbs (0.9 kg).

Q. Why should Sentinel Spectrum be given with food?

A. Giving the chew with food helps ensure adequate absorption of the active ingredients for optimal effectiveness.

Q. Can Sentinel Spectrum be used year-round?

A. Yes. Monthly year-round administration is recommended for continuous parasite protection.

Q. Where can I buy genuine Sentinel Spectrum online?

A. Genuine Sentinel Spectrum products are available from trusted retailers such as BudgetVetCare, offering competitive pricing and convenient home delivery.

Q. How can I save on long-term parasite protection for my dog?

A. Many pet parents purchase larger Sentinel Spectrum packs from BudgetVetCare to maintain uninterrupted protection while enjoying better long-term value.

Please Note: The information provided above is intended as a general guide based on manufacturer information and publicly available product resources. It should not replace professional veterinary advice. Always read the product label carefully and consult your veterinarian before starting or changing any parasite prevention program for your dog.

Sentinel Spectrum Tasty Chews Reviews (127)

Product Rated 4.7/5 (127 customer reviews)
Katie – January 07, 2026
Great worming solution

A great worming solution for my pet..

Anne – December 27, 2025
Easy to dose

The chews are easy to give. Dosage is not a problem..

Henry – November 17, 2025
Great wormer

It is a great wormer. Gives awesome results..

Ted – October 07, 2025
Acceptable taste

It has a nice taste. My pet accepts it without any trouble..

Tim – September 27, 2025
No heartworm worries

It is a great product for heartworm prevention..

Jarvis – August 06, 2025
Absolute worm remover

An absolute worm remover for my pet..

Miranda – July 16, 2025
Good wormer

It is a good wormer. I am a regular buyer..

Lewis – June 26, 2025
Trustworthy

I have been using it for a long time. It is a trustworthy and effective product..

Mendy – May 27, 2025
Good heartworm preventive

It is a good heartworm preventive for my fur buddy..

Anthony – March 23, 2025
Kills multiple worms

It removes multiple types of worms from my pet..