ТOP7 Best dewormers for dog 2018 | Comparison | Rated | Reviews

Importance of Deworming Dogs

Dogs, slurping, gobbling, licking, and sniffing everything around become perfect hosts for diverse parasites and worms. The latter become the reason for a series of symptoms such as the followings:

  • Visible worms or eggs like rice in the dog’s fur, rear, stool or vomit;
  • Persistent scratching or rubbing the rear on the ground;
  • Bloated belly or stomach;
  • Increased appetite;
  • Loss of weight;
  • Weakness and low mood;
  • Diarrhea;
  • Bloody stool.

All these symptoms and the necessary treatment depend on the worm type. The most common worms our pets suffer from are hookworms, tapeworms, roundworms, and whipworms. All these parasites live in dogs’ intestines. Therefore, if you doubt your sweetheart pet has a worm, you’d better start the check up from its intestines. For this, you can take its fresh stool to your vet for an analysis.

Another, more dangerous type of worms, is the heartworm. The latter causes serious health problems and can lead to the dog’s death. And if all this sounds like horror to you and you are searching a way to remove all those nasty parasites from your pet’s body without the expensive services of veterinarians, keep on reading. Here you will find out the best deworming drugs for dogs. But prior to that, let’s find out how does dewormer work dogs.

Dewormers are available in several forms including chewable tablets, liquids, powder, and injections. The latter is to be made exclusively by a veterinarian. As you know, all the worms inside a pet’s organism feed off its nutrition. Getting into the dog’s organism, the dewormer pill for dogs becomes the worms’ food, too. If harmless to animals, the drugs are poisonous to parasites. Worms die and break into pieces and get out of the body with the dog’s feces. That’s how these drugs work.

Do you wonder how long does dewormer take to work in dogs? Well, this mostly depends on the medication and the dosage. If one pill may be enough for treating a puppy or a small dog, four or even more doses may be required for bigger dogs. One needs to be utmost attentive when choosing the dosage for a dog’s treatment to achieve obvious results and not cause an overdose.

Comparison Chart of Dog Dewormers


Dogs and Horses Have the Same Worms

8 in 1 для Сейф-гвардии

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats

Naturpet D Wormer

Sentry HC WormX Plus Dog Dewormer (Round/Hook/Tapeworm) Dog

Sentry HC WormX Plus

Panacur C Canine Dewormer, Net Wt. 12 gram

Panacur C Canine

D-Worm 2 Count Combo Broad Spectrum De-Wormer for Dogs

D-Worm 2 Count Combo

Bayer Tapeworm Dewormer

Bayer Tapeworm Dewormer

Pro-Sense Dog Dewormer Solutions Safe-Guard 1 Gram, 3 ct

Pro-Sense Dog

Medication Form Powder Liquid Chewable Tablets Powder Chewable Flavored Tablets Tablets Powder
  Min. Age or Weight 6 Wks 1Wks   6Wks  6Wks 25lbs minimal  4Wks   6Wks
Max. Weight


Over 76lbs 25lbs  40lbs Over 25lbs 60lbs 10lbs
Active Ingredients Fenbendazole Granules 22.2%(222 mg/g) Wormwood herb, Black Walnut hull, Black seed, Sage leaf, Fennel seed, Papaya leaf 114 mg Pyrantel Pamoate, 114 mg Praziquantel Fenbendazole Granules 22.2% (222 mg/g) 114 mg Pyrantel Pamoate, 114 mg Praziquantel   34mg Praziquantel Fenbendazole Granules 22.2% (222 mg/g)
Safe During Pregnancy Yes Yes  No Yes  No Yes  Yes

Worm Types

Tapeworms, Roundworms, Whipworms, Hookworms Pinworms, Whipworms, Tapeworms, Giardia, Ringworms, Roundworms Tapeworms, Hookworms, Ringworms Hookworms, Whipworms, Tapeworms, Roundworms Tapeworms, Roundworms, Hookworms Tapeworms  Tapeworms, Roundworms, Hookworms, Whipworms
Possible Side Effects Vomiting ___ Vomiting, Diarrhea Vomiting Throwing up, Feeling sick Vomiting, Feeling sick, Diarrhea Severe vomiting, Diarrhea, Feeling sick, Drop of Mood


Interesting Facts about Dogs and Deworming

Dogs and Horses Have the Same Worms

  1. Dogs in farms and horses share similar internal parasites, that’s why by treating one animal you need to treat the other.
  2. After treating a dog for heartworms, it needs to be kept quiet. The reason is that the pieces of dead worms may cause a blockage of the pulmonary vessels and result in the dog’s death.
  3. Worm infestation is enormous: a week is enough for one infected puppy to shed over ten million eggs!
  4. Worms survive anywhere a dog or human may appear in. In fact, worm eggs can stay in the soil for long years before passing to a dog.
  5. Dogs do never get infected with head lice, bedbugs, crab lice, and pinworms. The latter is transferred to humans by other animals (horses, cats, etc.) but never by dogs.

How We Chose the Best Dewormers for Dogs

Choosing the right dewormer for your pet is an important task you should approach with great caution and a sense of responsibility. One worries whether this or that medication will be effective or not, upset a dog’s stomach or not, what doses are proper for a dog’s weight, etc. Undoubtedly, making a visit to a veterinarian is the best solution when your dear pet has worms troubling it, yet it may be too costly (up to $1,000 per one deworming)  depending on the worm type. Modern deworming drugs are a wonderful alternative to vet injections. And especially for you, our acknowledged staff contacted outstanding veterinarians from different States, consulted with drug manufacturers to reveal the peculiarities of their products, and talked to caring pet owners. As a result, we have separated seven best roundworm dewormer for dogs which are also effective with other worm types. A series of tests and observations were carried out to reveal which one can be called the best dewormer for dogs. All the products reviewed below were tested for the following aspects:

  • efficacy;
  • possible side effects;
  • the range of worm coverage;
  • safety during pregnancy of dogs;
  • minimal age;
  • price.

The Best Dewormers for Dogs

Now, when you already know what is dewormer for dogs and are aware of the most important features these products should have, it’s time to get a closer look at each dewormer for dogs review.

8 in1 Safe-Guard Canine Dewormer for Dogs, 3-Day Treatment

8 in1 Safe-Guard Canine Dewormer for Dogs, 3-Day Treatment

Safeguard dewormer for dogs is one of the most efficient means of struggling against roundworms, tapeworms, whipworms, and hookworms. The medication can be given as to adult dogs weighing up to 40lbs, so little six-week-old puppies. A good veterinarian can prescribe this dewormer even to pregnant dogs, and those suffering from heartworms. A pack of this 8 in 1 dewormer for dogs contains three small pouches each of which weighs 4 grams. They are easy to mix with dogs’ food and rarely cause side effects (vomiting and loss of appetite are the most common side effects). The Safe-Guard Dewormer for dogs is to be given to your dog during three consecutive days and the effect will remain for over six months.

Nevertheless, even though the vast majority of Safe-Guard Dewormer for dogs reviews are positive, there are still some customers who have complaints. For instance, the medication can cause liver problems with a couple of quite widespread breeds including Dobermans and Labradors.

Quite often, dog owners have to repeat the dosage for achieving any significant results. Actually, this shouldn’t cause many problems, as a pack of this inexpensive dewormer costs only $9.29.

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats

This liquid dewormer for dogs by a popular brand NaturPet is great as for dogs so for cats. It’s efficient for whipworms, giardia, ringworms, roundworms, and tapeworms. The 100% natural medication is entirely herbal and doesn’t cause any side effects. It can be used both as a deworming and a preventing means. Approved by veterinarians, the natural dewormer for dogs is available in liquid form. To give it to your beloved pet, just add the correct number of drops (mentioned in the prescription) into the pet’s food. One bottle will be enough for up to seven treatments depending on the pet’s weight.

Another wonderful advantage of the dewormer is its stomach protective and digestion improving properties.

What concerns the complaints about this product left by pet owners, these include the unpleasant smell/taste (most pets refuse to eat it), and low efficacy. In fact, the dewormer can’t cope with major issues. So, as it turns out, the dewormer doesn’t justify the high price ($29.99) set.

Sentry HC WormX Plus Dog Dewormer (Round/Hook/Tapeworm) Dog

Sentry HC WormX Plus Dog Dewormer (Round/Hook/Tapeworm) Dog

Designed especially for puppies and small dogs weighing not more than 25 pounds, this dewormer is widely obtained all over the United States. One pack includes two pills and can kill seven strains of ringworms, hookworms, and tapeworms. This chewable dewormer for small dogs is to be given to your lovely pet once a month for a good result. Simply add them to your dog’s food or give them by hand. The tablets are flavored, hence your pets will love the taste. Sentry HC WormX Plus can be freely considered as the best cheap dewormer for dogs. It’s priced only $13.38 per pack and appears to be highly effective in most cases. What pet owners should pay attention to, is that the drugs were not tested on pregnant bitches. The safety for future mom dogs and their puppies is not determined.

As far as you are interested in the possible side effects, it’s worth to mention people watch their dogs throwing up and suffering diarrhea after taking the pills in some cases. Anyway, remember that this is not a regularity.

Panacur C Canine Dewormer, Net Wt. 12 gram

Panacur C Canine Dewormer, Net Wt. 12 gram

Panacur dewormer for dogs is used to treat tapeworms, roundworms, whipworms, as well as other parasites. It can be used as for treating so for prophylactic means. One package contains three packets each with four grams of dewormer powder. The medication is to be given to your pet during three consecutive days — one packet a day with meals. If your pet prefers dry food, you’d better damp it for proper mixing of the dewormer. However, read carefully the prescription or consult with a vet for deciding the correct dose for your beloved pet. This preparation is also suitable for small six-week-old puppies.

However, even though using Panacur dewormer dogs experience almost no side effects, quite often they eat it with great difficulty. This is a great issue for many pet owners, as they have to throw away the food with the dewormer solved in it. Another complaint left by people is the low efficacy of the preparation. The treatment needs to be repeated several times for achieving optimal results.

The product costs $9.94.

D-Worm 2 Count Combo Broad Spectrum De-Wormer for Dogs

D-Worm 2 Count Combo Broad Spectrum De-Wormer for Dogs

Pet owners state that it’s more difficult to treat worms in bigger dogs than in smaller ones. However, when you have the oral dewormer for dogs by the reputable brand D-Worm at hand, you can feel calm for your huge baby’s health. This is a highly effective treatment means against roundworms, tapeworms, and hookworms. Available in a package of two chewable pills, the medication sometimes needs a second course of treatment, however. This mostly depends on your pet’s weight. A single pill is good for dogs weighing 25 lbs to 50 lbs. Accordingly, if your dog is really big weighing 150 lbs — 200 lbs, you will probably need to get another package of D-Worm drugs. By the way, this dewormer for large dogs is flavored and pets find it quite tasty! At least, there haven’t been any complains left by pet owners on the matter. The only thing they can «grumble about» is the price of the drugs — $17.96 per one package. Yet, taking into great consideration the high efficacy level of the medication, it’s worth every penny!

Bayer Tapeworm Dewormer

Bayer Tapeworm Dewormer

This Bayer tapeworm dewormer for dogs is an easy and quick means of removing common tapeworms from your beloved pet’s organism. It can be given to four-week-old puppies, too. For this, you’d better crumble the pills and add the powder to your pet’s food. However, older dogs can take the pills by mouth.

A package of Bayer dewormer for dogs includes five tablets. The right dosage is determined by your pet’s weight. Bayer presents some of the best over the counter dewormer for dogs and this particular product is a good proof of that.

As far as you are interested in the cons the medication has, we need to inform that some pets started vomiting and felt sick after the use of the drugs. This, perhaps, depends on a dog’s individual tolerability of the drug components. Additionally, the Bayer dewormer is considered overpriced. It costs $24.99.

Pro-Sense Dog Dewormer Solutions Safe-Guard 1 Gram, 3 ct

Pro-Sense Dog Dewormer Solutions Safe-Guard 1 Gram, 3 ct

This deformer offered by Excel is created to remove four most widespread worms dogs suffer from including whipworms, hookworms, tapeworms, and roundworms. The medication comes in three packs each containing 1gr powder. This makes it easy to mix the dewormer with the dog’s food even if your pet is as small as 6 weeks’ old. Give this powder or Pro Sense roundworm liquid dewormer for dogs to your pet three days in a row for achieving good results. By the way, the medication can be used for treating pregnant bitches, too.

Pet owners complain about the product’s side effects, and the unpleasant smell, that repels dogs. The product costs only $7.10.

Caring for Dogs

Walking your dog every day or feeding it is far not enough to be called a caring pet owner. If you do really love your four-legged friend, you need to take good care of it. And even though it’s nearly impossible to keep your dog away from all kinds of worms (especially if it’s kept outdoors), minimizing the chances of parasites getting into your dog’s organism is mandatory. For this, follow a few recommendations.

Keep the Environment Clean

Keeping the area your dog spends most of its time clean is obligatory. Remove all the feces or other waste materials from the living area of your dog, as well as your entire yard. This is should be performed on a daily basis, while your pet’s bedding should be washed not later than after a week.

Another crucial point is eliminating any types of worm-carrying pests including rats and mice from your yard. Make sure there are no stagnant water puddles in the yard, where mosquitoes may breed.

Take Precaution Measures

Giving your pet deworming drugs as a preventative means will serve the purpose well. This can be as the Strongid dewormer for dogs, so drugs by other manufacturers including Bayer, Pro-Sense, Sentry, Panacur, etc. Over-the-counter drugs are highly efficient. And if some of them are not able to cope with mother worms and eggs successfully, they can become wonderful preventatives.

Give Your Dog Healthy Food

Besides the ordinary food you give your pet, it’s important to give it also healthy food that helps to prevent worms and other parasites from penetrating into your pet’s organism. This may include dried coconut, grated raw vegetables such as papaya, fennel, carrot, greens, pumpkin, etc. These vegetables clean dogs’ intestinal tract well thus making it less attractive to worms and parasites. Trace minerals, meanwhile, can be an effective means of balancing your pet’s gastrointestinal system.


Spending much time outdoors, dogs become a «target» for diverse types of worms including roundworms, whipworms, tapeworms, hookworms, etc. All of them can badly affect the quality of your beloved dog’s life. Therefore, it’s crucial to give it deworming drugs when needed and for prophylactic means. Now, when we have reviewed seven most efficient dewormer products offered on the market, it’s time to find out, what is the best dewormer for dogs. Taking into account all the advantages of the product, as well as the multiple positive feedback left by pet owners, we can courageously proclaim Bayer Tapeworm Dewormer as the best dog dewormer!


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