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Sentinel For Dogs 11-25 Lbs (Green) 12 Chews

Sentinel For Dogs 11-25 Lbs (Green) 12 Chews

Sentinel For Dogs 11-25 Lbs (Green) 12 Chews is a monthly chewable for heartworm prevention and parasite control in small dogs. Priced at $174.79, it treats roundworms, hookworms, and prevents heartworm disease with real meat flavor for easy administration.

$174.79

● In stock

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Price and availability may change. Click to see current details on CanadaPetCare.

Key features

  • Prevents heartworm disease with milbemycin oxime
  • Controls roundworms and hookworms effectively
  • Breaks flea life cycle by inhibiting egg development
  • Meat-flavored chew for easy monthly administration
  • Safe for breeding, pregnant, and lactating dogs
  • 12-month supply for dogs 11-25 lbs
  • Veterinarian-recommended by Merck Animal Health

Pros

  • +High palatability—dogs eat it willingly
  • +Combines multiple parasite protections
  • +Safe for use in breeding females
  • +Convenient once-a-month dosing
  • +Trusted pharmaceutical brand
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Cons

  • Does not kill adult fleas
  • Requires weight-specific dosing
  • Higher upfront cost than generics

About Sentinel For Dogs 11-25 Lbs (Green) 12 Chews

What is Sentinel For Dogs 11-25 Lbs (Green) 12 Chews?

Sentinel For Dogs 11-25 Lbs (Green) 12 Chews is a veterinarian-recommended monthly preventive medication designed for small dogs weighing 11 to 25 pounds. Each chew contains milbemycin oxime and lufenuron to protect against heartworms, roundworms, and hookworms. The green chews are formulated with real meat flavor, making them palatable and easy to administer without food resistance. Sold in a 12-chew pack, this product offers a full year of protection for dogs in the specified weight range.

Key features

  • Heartworm Prevention — Contains milbemycin oxime to stop heartworm larvae before they mature.
  • Intestinal Parasite Control — Treats and controls roundworms and hookworms in one monthly dose.
  • Easy-to-Give Chew — Palatable, meat-flavored tablet dogs accept willingly—no hiding in food required.
  • Year-Round Protection — 12 monthly doses included for continuous coverage.
  • Safe for Breeding & Pregnant Dogs — Approved for use in breeding, pregnant, and lactating females.
  • Prevents Flea Infestations — Lufenuron inhibits flea egg development, breaking the flea life cycle.
  • Trusted Brand — Manufactured by Merck Animal Health, a leader in veterinary pharmaceuticals.

Who is Sentinel For Dogs 11-25 Lbs (Green) 12 Chews for?

This product is ideal for dog owners with small breeds such as Beagles, Cocker Spaniels, or Border Terriers weighing between 11 and 25 lbs. It’s best suited for pet parents seeking a convenient, once-a-month chew that combines heartworm prevention with intestinal parasite control and flea life cycle disruption. Veterinarians often recommend Sentinel for dogs in regions with high mosquito exposure or year-round parasite risks.

How does Sentinel For Dogs 11-25 Lbs (Green) 12 Chews compare?

Compared to standalone heartworm preventives, Sentinel offers added value by also targeting intestinal worms and disrupting flea reproduction. Unlike topical treatments, it’s an oral chew, reducing mess and skin contact concerns. While it doesn’t kill adult fleas like some combination products, it excels in long-term flea population control by preventing egg hatching. It’s a strong alternative to standard polypropylene-based parasite chews, offering broader internal protection at a competitive price point when purchased in bulk.

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Best use cases

  • Monthly heartworm prevention for small dogs
  • Year-round intestinal parasite control
  • Flea infestation prevention in homes
  • Breeding dog parasite management
  • Veterinarian-prescribed preventive care
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Is Sentinel For Dogs 11-25 Lbs (Green) 12 Chews right for you?

Sentinel For Dogs 11-25 Lbs (Green) 12 Chews is best for owners of small dogs needing comprehensive parasite protection. No special skills required—just monthly dosing. Ideal for pet parents avoiding topicals. Alternatives include generic heartworm chews or combo flea-and-heartworm products if adult flea kill is needed.

How it compares: Sentinel offers broader internal parasite control than basic heartworm chews and avoids topical application, but lacks adult flea kill found in combo treatments. It’s ideal for preventive-focused regimens over reactive pest control.

Are There Active CanadaPetCare Coupons for This Product?

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Coupon Code ⚠️ Unverified
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Special Offer for Labor Day, Save Flat 15% on All Orders Plus Free Shipping! Use Coupon: CPC12ON

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Coupon Code ⚠️ Unverified
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Flat 15% Off on Labor Day Blow out Sale Plus Free Shipping on All Usa Orders! Use Coupon: CPC12ON

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Frequently Asked Questions

What does Sentinel For Dogs 11-25 Lbs treat?

Sentinel prevents heartworm disease and treats roundworms and hookworms. It also stops flea eggs from hatching, helping control infestations over time. It does not kill adult fleas or ticks.

Does Sentinel require a prescription?

Yes, Sentinel is a prescription-only medication. You’ll need veterinarian approval before purchasing, even when buying online through licensed pet pharmacies.

How often should I give Sentinel to my dog?

Administer one chew every 30 days. Consistent monthly dosing is critical for continuous heartworm and parasite protection, especially in high-risk climates.

Is Sentinel safe for pregnant dogs?

Yes, Sentinel is safe for use in breeding, pregnant, and lactating female dogs. It’s formulated to be gentle while providing essential parasite protection during sensitive life stages.

Can I give Sentinel with other medications?

Most dogs tolerate Sentinel well, but consult your vet before combining with other drugs, especially sedatives or certain dewormers, to avoid potential interactions.

How much does Sentinel For Dogs 11-25 Lbs (Green) 12 Chews cost?

Sentinel For Dogs 11-25 Lbs (Green) 12 Chews is $174.79 at CanadaPetCare. Prices may change — click through to CanadaPetCare for the latest.

Is Sentinel For Dogs 11-25 Lbs (Green) 12 Chews in stock at CanadaPetCare?

Yes, Sentinel For Dogs 11-25 Lbs (Green) 12 Chews is currently in stock at CanadaPetCare.

Are there coupon codes for CanadaPetCare?

Yes — Love Those Deals currently tracks 4 active CanadaPetCare coupons. See the coupons section on this page to copy a code before checkout.

Specifications

Product Type
Pet Supplies~~Dog Supplies
Category
Animals & Pet Supplies
SKU
215
Last updated May 1, 2026