We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Dog Dewormers 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm, Roundworm & Hookworm in Large Dogs & Puppies (Over 25 lbs), Worm Remover (Praziquantel & Pyrantel Pamoate), 2 Flavored Chewables

Rating
9.7
Chosen by1,259
Type of Parasite
Form of Dewormer
Side Effects

Most important from
9254 reviews

Type of Parasite
Effective and convenient, this dewormer controls seven species of worms, including tapeworms, roundworms, and hookworms.
Form of Dewormer
Super easy to administer, and the chewable tablets are a bonus. Highly recommended!
Side Effects
Minimal side effects, with only a bit of sleepiness observed in pets after administration.

PetArmor 7 Way De-Wormer is a solid option for dog owners looking to treat their pets for various types of worms, including tapeworms, roundworms, and hookworms. This product is particularly well-suited for large dogs and puppies over 25 pounds, making it ideal for those who own larger breeds. One of its main strengths is the easy-to-administer chewable tablet form, which many dogs tend to accept without fuss. With vet-quality ingredients, it promises effective treatment against seven different species of worms, giving broad-spectrum protection.

There are some considerations to keep in mind. The treatment is only suitable for dogs 12 weeks and older, which might not be ideal for those with younger puppies. Also, while it’s designed for large dogs, pet owners with smaller breeds should look for alternative products. The recommended dosage can be a bit complex as it varies by weight, so accurate measurements are essential to ensure proper treatment.

With minimal side effects reported, PetArmor 7 Way De-Wormer stands out as a reliable option for dog owners who need to manage worms effectively. Just remember to follow the instructions carefully and consult your vet for any concerns or follow-up treatments.

Rating
9.7
Chosen by1,259
Type of Parasite
Form of Dewormer
Side Effects

Most important from
9254 reviews

Type of Parasite
Effective and convenient, this dewormer controls seven species of worms, including tapeworms, roundworms, and hookworms.
Form of Dewormer
Super easy to administer, and the chewable tablets are a bonus. Highly recommended!
Side Effects
Minimal side effects, with only a bit of sleepiness observed in pets after administration.
#2

Safe-Guard (Fenbendazole) Dewormer Liquid 125ml

Rating
9.4
Type of Parasite
Form of Dewormer
Frequency of Treatment

Most important from
4157 reviews

Type of Parasite
Highly effective dewormer that works fast to clear parasites.
Form of Dewormer
Easy to administer, making it ideal for dogs who resist pills or tablets.
Frequency of Treatment
Convenient for regular use every couple of months, ensuring ongoing protection.

The Safe-Guard (Fenbendazole) Dewormer Liquid is a solid choice for dog owners looking to combat various internal parasites, including stomach worms and hookworms. One of its main strengths is its broad efficacy against multiple types of parasites, making it versatile for different deworming needs. Additionally, the liquid form is easy to administer, which is particularly beneficial for pet owners dealing with reluctant dogs who may resist pills or tablets.

However, it’s important to consider some limitations. The product is specifically labeled for use in dogs and might have restrictions regarding safety in certain other animals, such as goats or calves, especially with regard to slaughter times and food safety. Furthermore, while the dewormer is effective, it's advised to consult a veterinarian for proper diagnosis and treatment plans to ensure it's the right choice for your pet. This added step may involve additional time and cost, which some pet owners might find inconvenient.

The frequency of treatment and potential side effects aren't detailed in the brief, which could be concerning for pet owners who need to plan for ongoing care or who are worried about adverse reactions. It's essential to be aware of any possible side effects by consulting with a vet. The Safe-Guard Dewormer is a reliable option for dog owners needing a liquid dewormer to manage intestinal parasites. It's particularly suited for those who prefer a user-friendly product, but it’s crucial to seek veterinary guidance to ensure it meets your dog’s specific health needs.

Rating
9.4
Type of Parasite
Form of Dewormer
Frequency of Treatment

Most important from
4157 reviews

Type of Parasite
Highly effective dewormer that works fast to clear parasites.
Form of Dewormer
Easy to administer, making it ideal for dogs who resist pills or tablets.
Frequency of Treatment
Convenient for regular use every couple of months, ensuring ongoing protection.
#3

Dog and Cat Dewormer - 4 oz of Wormer Liquid to Paralyze and Expel Roundworms - Kitten and Puppy Dewormer

Rating
9.2
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
757 reviews

Type of Parasite
Offers excellent value, providing an affordable solution for roundworm treatment.
Age and Weight of Dog
Made in the USA and safe for puppies and kittens, giving peace of mind about ingredient quality.
Form of Dewormer
The liquid formula blends easily into food or water, making administration hassle-free even for picky pets.
Side Effects
Noticeable improvement in pet health occurs within just a few days of use.

Chew + Heal's Wormer Liquid is designed to treat roundworms in puppies and kittens, as well as dogs of all breeds and sizes starting from 6 weeks old. The liquid form makes it easy to mix into food or water, which is great if your pet resists pills. Its active ingredient, piperazine citrate, works by paralyzing the worms so they can be expelled naturally. At 4 ounces per bottle, it offers a reasonable supply for multiple treatments. This product is allergen-free and made in the USA, which can be reassuring for pet owners concerned about ingredient safety.

This wormer specifically targets only roundworms and does not address other common parasites like tapeworms or hookworms, so it might not cover all deworming needs. The packaging includes dosage instructions by weight and age, making it easier to administer appropriately. It is recommended to consult a veterinarian to ensure proper use and to avoid potential side effects.

Chew + Heal’s liquid wormer is suitable for pet owners looking for a straightforward, easy-to-administer product for roundworm issues, especially for young dogs and cats. Using this product under veterinary guidance is advisable to cover all parasite risks and confirm the correct dosage.

Rating
9.2
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
757 reviews

Type of Parasite
Offers excellent value, providing an affordable solution for roundworm treatment.
Age and Weight of Dog
Made in the USA and safe for puppies and kittens, giving peace of mind about ingredient quality.
Form of Dewormer
The liquid formula blends easily into food or water, making administration hassle-free even for picky pets.
Side Effects
Noticeable improvement in pet health occurs within just a few days of use.

Buying Guide for the Best Dog Dewormers

Choosing the right dog dewormer is crucial for maintaining your pet's health. Dewormers help eliminate various types of parasites that can cause serious health issues in dogs. When selecting a dewormer, it's important to consider several key specifications to ensure you pick the best fit for your dog's needs. Understanding these specifications will help you make an informed decision and keep your furry friend healthy and happy.
Type of ParasiteDifferent dewormers target different types of parasites such as roundworms, tapeworms, hookworms, and whipworms. It's important to identify which parasite is affecting your dog, as using the wrong dewormer may not be effective. If you're unsure, consult your veterinarian for a diagnosis. For general prevention, broad-spectrum dewormers that target multiple types of parasites can be a good choice.
Age and Weight of DogDewormers come in different formulations based on the age and weight of the dog. Puppies, adult dogs, and senior dogs may require different dosages and formulations. Always check the product label to ensure it is suitable for your dog's age and weight. Using the correct dosage is crucial for effectiveness and safety.
Form of DewormerDewormers are available in various forms such as tablets, chewables, liquids, and topical treatments. The choice of form can depend on your dog's preferences and ease of administration. For example, some dogs may readily take chewable tablets, while others might be more comfortable with a liquid form mixed into their food. Choose a form that you can easily administer to your dog without causing stress.
Frequency of TreatmentSome dewormers require a single dose, while others may need to be administered over several days or on a regular schedule. Consider your ability to follow the treatment regimen when choosing a dewormer. If you have a busy schedule, a single-dose treatment might be more convenient. For ongoing prevention, look for products that offer monthly or quarterly dosing.
Side EffectsAll medications can have potential side effects, and dewormers are no exception. Common side effects may include vomiting, diarrhea, or loss of appetite. It's important to read the product label and consult with your veterinarian about any potential side effects, especially if your dog has pre-existing health conditions. Choose a dewormer with minimal side effects to ensure your dog's comfort and well-being.
Veterinary RecommendationConsulting with your veterinarian is always a good idea when choosing a dewormer. Veterinarians can provide personalized recommendations based on your dog's health history, lifestyle, and specific needs. They can also help you understand the best treatment plan and monitor your dog's response to the dewormer.

FAQ