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Sentinel For Dogs

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Sentinel For Dogs

Sentinel For Dogs | Innovet PetParasites are a relatively common problem in our pets, from fleas to ticks and various kinds of worms. They can be frustrating to find in your home, and concerning with regard to the health of your pet.

However, there are plenty of fantastic parasite medications, like Sentinel, which can help in getting rid of these unwanted invaders. As a result, your dog will be able to avoid the itchiness and discomfort that comes with them!

Let's take a look at what Sentinel can do!

What Is Sentinel For Dogs?

Sentinel is a prescription product that assists your pet in getting rid of unwanted pests. Sentinel kills heartworm by killing off heartworm larvae, as well as flea larvae and eggs. In addition, Sentinel offers the ability to do away with the more common kinds of intestinal worms.

Sentinel is typically available in a chewable tablet form, making it easy to give your dog. You will need a prescription for it, which goes to show that vets tend to back what this medication can provide. If you think your dog needs this product, make sure to talk to your vet about it.

What Does Sentinel Do?

Sentinel is a simple chewable tablet that you provide to your dog on a regular basis. What it will do is kill off a wide variety of different parasites that can be annoying and troublesome for you as well as your pet. You may also take it a step further with Sentinel Spectrum.

Parasites Killed By Sentinel

A chewable tablet can be much easier to deal with than trying to use a spot treatment on your pet, and this one takes on many different parasites.

Parasites killed in Sentinel dogs include:

Sentinel For Dogs | Innovet Pet
  • Heartworms
  • Whipworms
  • Flea larvae and eggs
  • Roundworms
  • Hookworms

Sentinel Vs Sentinel Spectrum

If you want to take it a step further, you can also use Sentinel spectrum for dogs. This option includes an ingredient called praziquantel, which is able to kill off tapeworms as well as protect against all of the parasites covered by Sentinel, as well as fleas.

Sentinel Dog Doses

Often, medications like Sentinel will only require about a tablet a month. However, your vet will be able to ensure that your dog gets the perfect prescription for their size and weight. That way, you can be assured they will be safe and free from parasites.

Sentinel For Puppies

Please remember that Sentinel for puppies should only be used on puppies that are at least 6 weeks old. Otherwise there can be negative effects.

How Does Sentinel Work?

Sentinel for dogs is able to work through the ingredients contained within it. Each of these offer their own benefits and can help in killing off various kinds of pests. Primarily, the most important ingredients included in Sentinel are Lufenuron and Millbemycin Oxime, both of which are quite helpful!

Key Ingredients In Sentinel


The primary benefit provided by Lufenuron is it's ability to inhibit growth. Lufenuron helps in ceasing the growth of flea eggs and larvae from being able to mature, so that adult fleas will simply die of old age with no new members from their eggs to replace them. In time, that eliminates the flea population.

Millbemycin Oxime

This ingredient is the one that offers assistance with any worms that might be infesting your dog. Through paralyzing and killing worms. Working on Whipworm, Roundworm, and Hookworm, it attacks worms while they are in the tissue and larval stages of their growth. This can really provide a lot of comfort to your canine companion.

Sentinel Benefits For Dogs

Sentinel Benefits For Dogs

Fleas and other parasites can be annoying and uncomfortable to your pet, and Sentinel destroys those parasites to keep your pet healthy and happy. It also provides fantastic prevention against pests that might be looking to make a home in or on your dog.

Sentinel handles flea problems as well as many kinds of worms with ease. It's definitely a reliable product.

Does My Dog Need Sentinel?

Even if you aren't worried about specific kinds of worms, fleas can be a problem for any dog. Most dogs need to go outside for dog potty time at the very least, and can run the risk of picking up fleas there. If they are unlucky, those fleas may bring various kinds of worms along with them. 

Sentinel Reviews

It's always a good idea to take a look at what other pet owners have to say about these kinds of products by looking at Sentinel for dogs reviews. Many users enjoy that Sentinel can be much easier to give to a dog than products made to be placed on the skin. That means the dog can avoid discomfort and skin irritation.

Furthermore, it can be useful for dogs with longer fur, as it can be hard to locate a flea infestation on them. Some customers don't like that the product doesn't kill off adult fleas, but it does work to keep the flea population from growing.

If you're interested in the extra protection from heartworm, make sure to look at some Sentinel Spectrum reviews as well!

Sentinel Rebates

On the Sentinel website, SentinelPet, you can get both regular Sentinel rebates and Sentinel Spectrum rebates for their products. You will need to provide a form, as well as a coupon code and invoice, but it can help to save you money on this great product.

In addition, you can find rebates for Sentinel flavor tabs as well.

Sentinel Side Effects

Sentinel for dogs side effects can be an issue with just about any medication, and Sentinel is no different. Luckily, it can take some very extreme situations in order to create serious reactions, like an overdose. However, your dog can still experience a few less serious effects if they are sensitive to one or more of the ingredients within the product.

These side effects can include:

  • Diarrhea
  • Hives
  • Drooling
  • Weakness
  • Vomiting
  • Itchiness
  • Wobbling
  • Seizures

If you notice these side effects in your dog, it can be a good idea to talk to your vet about it and find out if they may need treatment or a different medication.

When To Avoid Sentinel

While Sentinel has been tested and proven to be very safe for the vast majority of dogs and puppies to prevent heartworm disease, there are a couple of cases in which it should be avoided as a method to control flea populations.

These can include with puppies that are under 4 weeks of age as well as dogs who are under two pounds, pregnant or nursing.

Types Of Flea Medications For Dogs

You can find a variety of different products out there for keeping parasites away from your dog. Options like Valuheart, Heartgard, Nexgard and more can provide decent protection from unwanted invaders and kill adult fleas. Let's compare a few!

While you cannot find options like Sentinel and Heartgard or Heartgard plus chewables on Amazon, there are a number of other websites like Chewy and 1800PetMeds that can help you out!

Sentinel Vs Nexgard

Sentinel and Nexgard are very different products overall. While Nexgard does do away with ticks and fleas, it doesn't provide protection against intestinal parasites. If you want it all covered, then Nexgard Spectra is the best possible option in the Nexgard line.

Although both are great products, you'll need to weigh out what you value the most in order to select the product that will meet your needs the best. Sentinel is a great option for keeping away worms, particularly those that may affect children. Meanwhile, Nexgard and Nexgard Spectra are ideal for helping your pet to avoid Lyme disease.

Sentinel Vs Trifexis

Trifexis and Sentinel are a bit more alike, with both offering the ability to protect your dog from intestinal parasites adult fleas, flea eggs, and larvae.

One of the largest differences is that Trifexis for dogs does offer the ability to kill off all stages of flea life, while Sentinel only handles flea larvae and eggs, but not adult fleas.

However, it can take up to about thirty minutes for Trifexis to get working on your pet, while Sentinel flavor tabs can begin having effects right away.

Because of these differences, it's going to be important that you decide which option is going to be more suitable for the needs of your unique pet.

Sentinel Vs Heartgard

Heartgard is another option that is quite popular with vets, as it offers the ability to assist in heartworm prevention. While Sentinel doesn't do this, you can find the same benefits in Sentinel Spectrum.

It is worth keeping in mind that Heartgard is intended for the prevention of heartworm primarily, but it can also keep roundworm problems at bay, as well as adult hookworms. That said, Ivermectin, the primary ingredient in Heartgard, does not work for preventing fleas.

If you're concerned about worms in your dog, then talking to your vet can help you to find the ideal heartworm medication. They will have options for a wide variety of different pets with unique situations, and therefore can make sure that your pet is safe in the process of preventing or getting rid of parasites and flea infestations.

Natural Flea Repellents

If you prefer to keep the chemicals away from your pet unless absolutely necessary, then looking for a natural option might be the right path for you. Here are a few natural options that can help to keep parasites from invading your pet or your home. Make sure to try them out to find the best one to stop flea egg development, whether you have a severe flea infestation or simply want to stop the occasional adult flea.

Apple Cider Vinegar

Apple cider vinegar can help to keep fleas away naturally in a number of ways. You can create a solution to either spray on your pet, or for them to drink with their normal meal. Do keep in mind that some dogs can have negative reactions to drinking the mixture, so make sure to keep an eye on them!

Lemon Spray

A lemon spray can also work wonders for keeping fleas away. Essentially, you create this by combining fresh lemon and boiling water. It's extremely important that you use fresh lemon, not lemon or other citrus essential oils, as they can be dangerous for some pets.


To keep fleas away from the outdoor environment, you can opt to use nematodes. By spraying them in your yard and keeping them well-moisturized, you can decrease the possibility of your pet picking up fleas while they are in your yard. It's a great, natural way to solve an annoying problem!

CBD For Dogs

Recently, CBD has been making waves due to the benefits it is able to provide for humans and animals alike. It's able to assist with things like anxiety, arthritis and other chronic conditions, improving the appetite and much more. On top of that, it's a completely natural product which avoids nasty side effects.

It's also worth knowing that CBD typically comes from hemp plants, grown for the purposes of providing health benefits without a feeling of “high”. This makes CBD a product that is safe, natural, and beneficial to your pet in ways that other natural solutions may not be.

CBD For Pet Health

While CBD may not keep fleas away, it can assist with the overall health of your pet. For dogs that are older, have arthritis, epilepsy or other issues, it can provide much-needed assistance without the cost or side effects that come with standard medications. You can also give it to healthy dogs and help them to keep that good health for longer than they might otherwise.

Because of that, it's absolutely a product that is worth looking into. There are many reviews and personal stories out there that can show exactly how beneficial CBD can be in the lives of pets and their humans.

Top CBD Products

Buying quality CBD products is key to providing the best possible benefits for your dog. The ideal products will be organic and have either extremely low levels of THC or none at all. The great news is that Innovet offers products that fit perfectly for health-conscious pet owners!


If you're interested in a versatile product, then CBD oil for dogs is a fantastic option. It comes in a very easy-to-use design so that you can give your dog a few drops as needed. You can place it right into their mouth, or choose to mix it up in their food. It's completely up to you!

For those who have other kinds of pets, this CBD oil can also be provided to cats and horses as well. Just make sure to get the right dosage!

CBD Treats

CBD dog treats are a fantastic way to give your pet's health a boost without them ever knowing. There's no need to push pills down your dog's throat or hide it in their food, because they'll be begging for these tasty treats! They even come with a very simple guideline to ensure your pet gets just what they need.

With three distinct flavors and easy guidelines for dogs of all sizes, you can't go wrong with this product!

Sentinel For Dogs: The Bottom Line

None of us like to see our pets made miserable by fleas or other parasites! However, medications like Sentinel can help to keep those issues at bay, allowing them to feel comfortable, avoid itchiness and have a healthy life overall. Make sure to talk to your vet about what sentinel can do for your canine family member!

It also helps to know that there are natural choices out there for dealing with fleas, or for your pet's overall health. These can go a long way towards helping to avoid side effects or adverse reactions your pets may have to chemical medications.

That said, it's worth keeping in mind that you may need to try using the natural options alongside something like Sentinel in order to provide the best possible effects. It's up to you and your vet to discuss and find the best option for your pet and household.


Approved by:

Dr. Ivana Vukasinovic

Doctor of Veterinary Medicine, University of Belgrade

Ivana Vukasinovic grew up in Serbia and attended the University of Belgrade where she received a degree in Veterinary medicine in 2012 and later completed surgical residency working mostly with livestock. Her first year of practice was split between busy small animal practice and emergency clinic, and after two more years of treating many different species of animals, she opened her own veterinary pharmacy where an interest in canine and feline nutrition emerged with an accent on fighting animal obesity. In her free time, she acts as a foster parent for stray animals before their adoption, likes to read SF books and making salted caramel cookies.


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The Innovet Team

Please do not ask for emergency or specific medical questions about your pets in the comments. Innovet Pet Products is unable to provide you with specific medical advice or counseling. A detailed physical exam, patient history, and an established veterinarian are required to provide specific medical advice. If you are worried that your pet requires emergency attention or if you have specific medical questions related to your pet’s current or chronic health conditions, please contact or visit your local/preferred veterinarian, an animal-specific poison control hotline, or your local emergency veterinary care center.

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