The Best Dog Dewormers (2021 Reviews)

Skylar Dial
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A parasite infection in dogs is no laughing matter. It’s no secret that fecal matter from infected dogs can infiltrate the outdoor environment, which can result in your own dog getting a parasite infection. It’s a parasitic cycle that can affect your family and your dog.

Dog dewormers are the first line of defense. And, to ensure your dog is parasite-free, you need to be armed with information about the best dog dewormers for the job.

In this article, you’ll learn about:

NameCategoryProduct
Nemex-2 Wormer 2ozBest OverallNemex-2 Wormer 2oz
SENTRY HC WormX Plus 7 Way De-WormerBudget PickSENTRY HC WormX Plus 7 Way De-Wormer
Virbantel Flavored Chewable TabletsUpgrade PickVirbantel Flavored Chewable Tablets

1. Nemex-2 Wormer 2oz

Our rating: 9 / 10

Nemex-2 Wormer 2oz

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Pros:

  • Great price
  • Fast acting wormer for dogs
  • Easy to administer
  • Safe and easy to apply
  • Quick kill, worming dog in just 8 hours of application

Cons:

  • Does not treat lungworms
  • Does not treat tapeworms
  • Need to be administered daily for 21 days

Before you buy Nemex-2 make sure to check the dose that is right for your dog. The dosage varies with the age of the dog. For puppies and dogs less than 16 lbs, the dosage is one vial (2oz). For dogs 16-70 lbs, measure one vial in two cups of water and administer.

The recommended dosage for nematodes is 5 vials.

Nemex-2 wormer is fast acting and a convenient alternative to buying and mixing up the powder from the pharmacy.

2. Bayer Tapeworm Dewormer

Our rating: 9 / 10

Bayer Tapeworm Dewormer

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Pros:

  • Great for deworming puppies
  • Easy to administer
  • 100% soluble
  • Comes in a small, easy to dose tablet
  • Very reasonable price
  • Provides fast relief from tapeworms
  • Works well against large and small tapeworms
  • Easily dispensed through a pill gun
  • Packaged in a water-resistant container
  • Odorless during dissolving

Cons:

  • Foul smell that lasts a couple of days
  • Emits an odor that other dogs can smell
  • Should not be mixed with any other drug
  • Needs a good dose to be effective
  • Timing is critical

If you have a dog with tapeworms and you need a fast acting method to get rid of them, this pills do the job.

3. Excel Products

Our rating: 9 / 10

Excel Products

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Pros:

  • Best value
  • Contains three zerosprool is shown to be around 95 percent effective
  • Safe and gentle
  • Comes at a very affordable price
  • Its treatment lasts for 12 weeks

Cons:

  • The manufacturer states that you should not administer the product to rabbits or other small pets
  • It can be messy because of the powder

Excel Product’s deworming tablets for dogs and puppies are made from a special formulation of 0% kg SPOROLITES to ensure excellent prevention, control, and treatment of common worms in dogs … and kittens too … for up to 30 days. Made from an all-natural ingredient, this product is intended to treat Roundworms, Hookworms, Whipworms, and Tapeworms in dogs and puppies. These tablets also work on Fleas, Ticks, Bot Fly, and Lice.

These tablets contain antiprotozoals that are safely and gradually released in the gastrointestinal tract of your pet. The effectiveness of this product is tested through scientific studies. It is listed as a Category 1 medication by the American Veterinary Medical Association.

4. Excel Products

Our rating: 9 / 10

Excel Products

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Pros:

  • Best value
  • Contains three zerosprool is shown to be around 95 percent effective
  • Safe and gentle
  • Comes at a very affordable price
  • Its treatment lasts for 12 weeks

Cons:

  • The manufacturer states that you should not administer the product to rabbits or other small pets
  • It can be messy because of the powder

Excel Product’s deworming tablets for dogs and puppies are made from a special formulation of 0% kg SPOROLITES to ensure excellent prevention, control, and treatment of common worms in dogs … and kittens too … for up to 30 days. Made from an all-natural ingredient, this product is intended to treat Roundworms, Hookworms, Whipworms, and Tapeworms in dogs and puppies. These tablets also work on Fleas, Ticks, Bot Fly, and Lice.

These tablets contain antiprotozoals that are safely and gradually released in the gastrointestinal tract of your pet. The effectiveness of this product is tested through scientific studies. It is listed as a Category 1 medication by the American Veterinary Medical Association.

5. Panacur C Canine Dewormer

Our rating: 9 / 10

Panacur C Canine Dewormer

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Pros:

  • Treats, prevents, and controls intestinal worms in dogs
  • Effective against Giardia, canine roundworms, canine hookworms, canine whipworms, and tapeworms
  • Provides relief to your pet from fleas and other ectoparasites
  • Easy to administer

Cons:

  • Not all of it is absorbed into the intestines
  • An overdose can cause severe power loss
  • May cause vomiting and other complications

Overall, the Panacur C Canine Dewormer is one of the best-selling canine dewormers on the market today. It works fast and effectively on adult, large-sized dogs. It’s also safe to use on dogs as young as two weeks old.

6. SENTRY HC WormX Plus 7 Way De-Wormer

Our rating: 9 / 10

SENTRY HC WormX Plus 7 Way De-Wormer

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60 Count.

If your dog has picked up a bug along the way, the Sentry HC WormX Plus 7-Way de-wormer/anti-parasite is your best solution. The formula of the de-wormer has been meticulously designed to protect dogs against roundworms, hookworms, whipworms, heartworms, and tapeworms.

This de-wormer has been tested on puppies as well, which means that it is completely safe for your four-legged friend.

7. Pyrantel Pamoate Suspension 50 MG 32 oz Bottle

Our rating: 9 / 10

Pyrantel Pamoate Suspension 50 MG 32 oz Bottle

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Pyrantel Pamoate is very effective at eliminating tapeworms, hookworms, and roundworms.

This is the drug of choice for adults and pups. Even if your dog has a mild case of worms, it’s still important to get them on a dewormer to prevent reinfection.

Most veterinarians will recommend administering the drug once a month.

8. Triple Medium and Large Dog Wormer

Our rating: 9 / 10

Triple Medium and Large Dog Wormer

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Worm medication Treatment, Dewormer, Deworm for Dogs.

A good dog dewormer has to be multipurpose. It has to kill tapeworms, as well as hookworms and roundworms. This particular drug by Deworm for Dogs does all three jobs quite efficiently.

According to current customers’ reviews, it acts rather fast, within 24 hours or so. It’s not stinky, it’s safe to use, and has no side effects. The package also includes three dewormer doses so you can treat your pet once a month for three months. When it comes to price, it’s rather affordable, costing less than three dollars per dose.

9. Panacur C Canine Dewormer

Our rating: 8 / 10

Panacur C Canine Dewormer

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Pros:

  • Highly rated and recommended product
  • Effectively kills adult and larval stages of at least 6 species of intestinal worms
  • Available in 10 packs
  • Price is very reasonable
  • Features 3 tablets per dose

Cons:

  • It may cause a bloodiness of the stool in which some dogs may not tolerate
  • The signal word suggests not to be used on breeding, pregnant, or lactating animals

After reviewing the best dog dewormers, one name stands out. The Panacur C Canine Dewormer (Fenbendazole) comes in at a whopping 1900+ reviews and has 4.3 out of 5 stars. A lot of the reviews seemed positive and the customer service that comes along with this product is stellar.

10. Wholistic Pet Organics Wormer

Our rating: 8 / 10

Wholistic Pet Organics Wormer

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Some dogs need specialized dewormer prescriptions from their vet. However, the majority of dogs need correctly-dosed, over-the-counter remedies that are safe enough for kittens.

Wholistic Pet Organics Wormer for Dogs is a good dewormer for dogs. It comes in liquid form that’s easy to administer.

Wholistic also makes other liquids for pets, such as the Organic Pet Ear Cleaner and the Lavender Paw Lotion for Dogs.

11. 7986 RFD Liquid WORMER 60ML 12-60 Milliliters by Pfizer

Our rating: 8 / 10

7986 RFD Liquid WORMER 60ML 12-60 Milliliters by Pfizer

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This is one of the best dog dewormers we’ve come across. It’s made by one of the most trusted brands in the industry, Pfizer, and is effective for a number of intestinal worms. And the best part is that it’s affordable.

How does it work?

Primarily, this dewormer works by killing worms. But here’s the interesting part. It’s stabilized. Which is why it can be mixed and administered as often as 2 times a month. However, that might not be needed in most cases. Most worms are one-time infestations. So, administering more than once a month might not be necessary. You can get the job done with a single dose.

12. Durvet WormEze Liquid Canine & Feline Antihelmintic

Our rating: 8 / 10

Durvet WormEze Liquid Canine & Feline Antihelmintic

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Pros:

  • Easy to administer
  • Organic ingredients
  • Effectively kills all types of worms
  • No unpleasant taste to dogs or cats
  • Safe for dogs and cats of all ages
  • Will not harm your dog or cat
  • Comes with a 100% money-back guarantee

A lot of pet owners note that the name WormEze appeals to dogs and cats, so it’s easier to administer.

Durvet WormEze Liquid Canine and Feline Antihelmintic is an effective way of killing worms in dogs and cats. The product is made from all-natural ingredients that are highly effective in liquid form.

According to the manufacturer, this wormer kills all types of worms in your pet, including roundworms, hookworms, whipworms and tapeworms. The product is an effective way of killing the parasites without harming your dog or cat. Durvet WormEze is also safe to use in cats and dogs of all ages, including pets that are pregnant or nursing.

13. D-Worm 2 Count Combo Broad Spectrum De-Wormer

Our rating: 8 / 10

D-Worm 2 Count Combo Broad Spectrum De-Wormer

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Pros:

  • Easy to use
  • Kills adult intestinal worms, tapeworms, and flukes
  • Can be used on dogs weighing up to 15 pounds
  • Works within 24 hours
  • Safe to use on pregnant, nursing, and young puppies
  • Works within 48-72 hours to kill fleas
  • Attracts no ticks
  • No maintenance needed

Cons:

  • Only protects against intestinal worms
  • Will kill pets if used incorrectly
  • Will take a few days to reach full strength
  • Fluoride-free

For once, we know what you’re thinking: what the heck is D-Worm 2? Well, D-Worm is a formulation of the widely-used de-wormer praziquantel, which is what makes this product so great.

Praziquantel is given to puppies and dogs to kill worms and other parasites that can take up residence in their intestinal tracts and wreak havoc. Deworm 2 combines praziquantel with ivermectin. The latter compound is known as a broad-spectrum de-wormer, which is highly effective against parasites that take up residence in the linings of your dog’s small and large intestines.

14. Black Walnut

Our rating: 7 / 10

Black Walnut

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If your pet has worms – you might want to try the Black Walnut herbal remedy. Black Walnut is considered to be among the strongest worming agents. It works very fast and is non-toxic. Dr. Andrew Jones recommends Black Walnut and Butterbur as a safe natural remedy for dog worms. It’s also safe for humans and children.

The Black Walnut Organic herbal remedy has been preferred by veterinarians for decades.

Black Walnut is also organic. The active ingredients are extracted by soaking the bark in organic grain alcohol. This is not your typical alcohol – it’s naturally produced, and it’s definitely not distilled from grapes.

15. Virbantel Flavored Chewable Tablets

Our rating: 7 / 10

Virbantel Flavored Chewable Tablets

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Pros:

  • Highly rated by owners
  • 100% natural and drug-free
  • Suitable for a wide range of dogs
  • The pleasant chicken flavor makes it easy to administer to your pet
  • Comes in different pack sizes for dogs of different sizes
  • You only need to take your dog to the vet once a year to get it checked
  • A great combination treatment; other products should be used in conjunction with dog dewormers
  • No side effects

Cons:

  • Some people find the pill too big for their dog and may need to cut it in half
  • It’s not approved for use in puppies less than 6 weeks of age
  • It can take up to 4 weeks to work
  • Can’t be used alongside azithromycin

& Brown Stomach Worms, Pinworms, Whipworms – Safe, Fast & Effective.

We found the Virbantel dewormer to be the best dog dewormers available on the market. The pleasant chicken flavor makes it easy to administer to your pet. With rapid results for a variety of parasites and worms.

16. Bayer Quad Chewable Dewormer

Our rating: 6 / 10

Bayer Quad Chewable Dewormer

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Pros:

  • Provides the right amount of dewormer for safe and effective treatment
  • Can be used to deworm your German Shepherd or your smaller dog
  • The price is slightly better than other brands
  • Use it to worm all but the largest breeds

Cons:

  • Veterinarian recommended for small dogs
  • Check with your vet before giving it to your dog
  • Check if your dog’s weight falls under the recommended weight line
  • Comes in a brilliant red color that’s very attractive to young pups

The Bayer Quad chewable dewormer brought to you by the Bayer Company is ideal for medium dogs.

This powerful chewable medication was recommended by veterinarians as a way to maintain your canine’s health. The active ingredients present in the chewable tablet is 100% meat flavored, and one tablet is enough to keep your dog worm-free for a month.

What’s more, it comes with a juicy flavor that dogs love. The chewable tablet is the ideal size and weight for your dog to munch on.

17. PEAK Marketing Pet Wormer Gel

Our rating: 6 / 10

PEAK Marketing Pet Wormer Gel

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18. Excel Dog Roundworm De-Wormer

Our rating: 5 / 10

Excel Dog Roundworm De-Wormer

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Pros:

  • One bottle treats two dogs
  • First line of defense in preventing harmful worms in dogs
  • Relatively cheaper compared to other dewormers

The Excel Worming Deworming Liquid for Dogs & Puppies is an effective wormer for dogs with tape worms and roundworms.

It is safe for puppies and adult dogs.

It is recommended for pregnant or nursing dogs.

19. Overby Liquid Dewormer 4 Ounce

Our rating: 1 / 10

Overby Liquid Dewormer 4 Ounce

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Overby is a brand that has been trusted by veterinarians for decades. This dewormer is a traditional way to kill internal parasites. The active ingredients of pyrantel embolate and piperazine hydrochloride are powerful enough to kill tapeworm, roundworms and hookworms. The Overby treatment is safe enough for puppies and kittens more than 2 weeks old.

Overby can be administered orally or treats. After a single dose most dogs will be protected against parasites. It comes in a 4-ounce, childproof bottle which is easy to handle, understands and use. The ingredients in Overby Liquid Dewormer are extremely safe, thus making it the perfect option when it comes to flea protection for puppies or kittens.

Frequently Asked Questions (FAQ)

What is the most effective dewormer for dogs?

It really depends on the type of worms you are trying to kill. We chose this as the best dewormer for dogs because it works for Roundworm, Hookworm and Tapeworm.

What to look for after deworming a dog?

After deworming a dog, make sure to properly clean the area that was invaded by the parasites. Dogs are treated with oral paste, which are byproducts of a variety of worms. Onanism sites (like clover, alfalfa, etc.) can lead to dog worm infestations.

For your safety, and for the intestinal health of your pet, it is important to properly clean the area after a deworming.

How often should you deworm your dog?

When your vet tells you to deworm your dog, it doesn’t matter if your dog doesn’t seem to be bothered by worms. You should never delay or ignore a deworming treatment even if your dog appears to be fine.

Ignoring the problem only makes it worse. The worms will continue to grow into adulthood and multiply. You can end up with a massive population of worms if you allow the infestation to grow.

And of course, an infestation of adult worms in your dog will cause even more health problems than what the larval version can do.

Deworming needs to be a regular thing for your dog, a part of your dog’s annual routine. It’s especially important to deworm if your dog spends lots of time outside.

What is the best wormer for dogs UK?

Dogs get worms from fleas and ticks. Set up an effective flea and tick control program and that eliminates the biggest risk.

In the meantime, you can help your dog fight worms.

See here to read more about how wormers work.

In particular, I recommend Interceptor which comes in 3 dose sizes.

Conclusion

Used each year in the U.S. by both veterinarians and pet owners, dewormers are a 21st-century must-have for dogs, puppies, cats, kittens, and ferrets.

If your dog is vomiting, losing appetite, and has diarrhea, chances are he or she needs to be dewormed.

In most cases parvovirus, hookworms, whipworms, and roundworms will quickly clear up after treatment.

When selecting a dewormer for your dog you should consider safety, quality, effectiveness, and convenience.

Our Recommendation

NameCategoryProduct
Nemex-2 Wormer 2ozBest OverallNemex-2 Wormer 2oz
SENTRY HC WormX Plus 7 Way De-WormerBudget PickSENTRY HC WormX Plus 7 Way De-Wormer
Virbantel Flavored Chewable TabletsUpgrade PickVirbantel Flavored Chewable Tablets