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10 Best Dewormers For Dogs 2025 in the United States

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Our Top Picks

#1

Winner

PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm, Roundworm & Hookworm in Small Dogs & Puppies (6-25 lbs), Worm Remover (Praziquantel & Pyrantel Pamoate), 6 Flavored Chewables

Rating
9.9
Chosen by1,419
Type of Parasite
Form of Dewormer
Side Effects

Most important from
4737 reviews

Type of Parasite
Delivers fast and effective parasite treatment, showing results within days.
Form of Dewormer
Chewable form makes dosing simple and stress-free for small dogs and puppies.
Side Effects
Gentle on the stomach, causing no upset or discomfort after administration.
Veterinarian Recommendation
Highly recommended for its ease of use and reliable performance.

The PetArmor 7 Way De-Wormer is designed for small dogs and puppies weighing between 6 to 25 pounds and aged 12 weeks or older. It effectively targets a broad range of parasites, including two types of tapeworms, two types of roundworms, and three types of hookworms, covering many common intestinal worms.

The chewable tablet form makes administration easier compared to pills or liquids, especially for small dogs that might resist medication. Dosage involves giving one or two chewables depending on the dog's weight. This vet-quality product has strong positive user ratings, indicating good effectiveness and safety.

It is important to monitor your dog after dosing to ensure they fully ingest the medication and do not reject it. Consulting a veterinarian is advisable before use, particularly if retreatment is needed or if the dog has special health considerations. This product is suitable for small dog owners seeking a convenient, multi-parasite treatment with proper veterinary guidance.

Rating
9.9
Chosen by1,419
Type of Parasite
Form of Dewormer
Side Effects

Most important from
4737 reviews

Type of Parasite
Delivers fast and effective parasite treatment, showing results within days.
Form of Dewormer
Chewable form makes dosing simple and stress-free for small dogs and puppies.
Side Effects
Gentle on the stomach, causing no upset or discomfort after administration.
Veterinarian Recommendation
Highly recommended for its ease of use and reliable performance.
#2

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
9.8
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
9705 reviews

Type of Parasite
The broad spectrum dewormer feature is a standout, effectively controlling 7 species of worms.
Age and Weight of Dog
Worked great on my German shepherd puppy with noticeable results within 20 minutes.
Form of Dewormer
Super easy to administer and comes in a convenient 2 count. A worthwhile purchase for pet owners.
Side Effects
No side effects except for sleepiness, and my puppy loved the taste of the chewable tablet.
Veterinarian Recommendation
Very impressed with the medicine's effectiveness and affordability, saving a trip to the vet.

The PetArmor 7 Way De-Wormer for Dogs is a versatile deworming option designed for large dogs and puppies over 25 lbs. It effectively treats and controls 7 different species of worms, including tapeworms, roundworms, and hookworms, making it a comprehensive solution for parasite control. The use of praziquantel and pyrantel pamoate ensures it targets a broad spectrum of worms, which is a significant strength for pet owners looking for an all-in-one treatment.

The product comes in chewable tablet form, which can make administration easier compared to other methods. However, it's important to watch your dog after dosing to ensure the tablet is fully consumed and not rejected. This product is suitable for puppies 12 weeks or older, offering flexibility for different life stages of dogs.

It is recommended to follow the label instructions carefully and consult a veterinarian before retreating, which highlights the importance of professional advice in managing your dog's health. On the downside, the need to monitor the dog post-administration could be slightly inconvenient for some pet owners. Additionally, the product is specifically designed for medium to large breeds, which might not be suitable for smaller dogs.

Rating
9.8
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
9705 reviews

Type of Parasite
The broad spectrum dewormer feature is a standout, effectively controlling 7 species of worms.
Age and Weight of Dog
Worked great on my German shepherd puppy with noticeable results within 20 minutes.
Form of Dewormer
Super easy to administer and comes in a convenient 2 count. A worthwhile purchase for pet owners.
Side Effects
No side effects except for sleepiness, and my puppy loved the taste of the chewable tablet.
Veterinarian Recommendation
Very impressed with the medicine's effectiveness and affordability, saving a trip to the vet.
#3

PetArmor Sure Shot Liquid De-Wormer for Dogs and Puppies, Liquid De-Wormer Treats Roundworms & Hookworms in Dogs and Puppies 2 Weeks and Older, For Dogs Under 120 lbs, 2 ounces

Rating
9.6
Type of Parasite
Form of Dewormer

Most important from
4737 reviews

Type of Parasite
Delivers fast and effective worm removal that noticeably improves pet health.
Form of Dewormer
The liquid formula is easy for dogs to take without resistance.

PetArmor Sure Shot 2X is a liquid dewormer designed to target common worms in dogs, specifically two types of roundworms and two types of hookworms. It also helps prevent reinfestation of large roundworms in adult dogs, making it a useful option for ongoing parasite control. This product is safe for puppies as young as two weeks old and suitable for dogs of all sizes and breeds, which makes it versatile for many pet owners. The liquid form allows for easy dosing based on weight—one teaspoon per 10 pounds—so you can adjust the amount precisely for your dog.

Puppies require multiple treatments at specific early ages, while adult dogs in high-risk areas may need monthly doses. This flexibility supports effective parasite management over time. The product has received positive customer feedback, indicating good acceptance and results. It is considered vet-quality, but it is best to consult your veterinarian before starting treatment, especially if your dog has health concerns or is on other medications.

As with any dewormer, potential side effects are typically mild but can vary, so watch for any unusual reactions after administration. PetArmor Sure Shot 2X represents a reliable and easy-to-use liquid dewormer that covers multiple common worms and is suitable for dogs at all life stages.

Rating
9.6
Type of Parasite
Form of Dewormer

Most important from
4737 reviews

Type of Parasite
Delivers fast and effective worm removal that noticeably improves pet health.
Form of Dewormer
The liquid formula is easy for dogs to take without resistance.

Buying Guide for the Best Dewormers For Dogs

Choosing the right dewormer for your dog is crucial for maintaining their health and well-being. Dewormers help eliminate various types of intestinal parasites that can cause serious health issues. 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, hookworms, tapeworms, and whipworms. It's important to know which type of parasite your dog is infected with or at risk for. Some dewormers are broad-spectrum and can treat multiple types of parasites, while others are specific to one type. If you're unsure, a broad-spectrum dewormer might be a good choice, but consulting with a veterinarian for a proper diagnosis is always recommended.
Age and Weight of DogDewormers come in different formulations and dosages based on the age and weight of the dog. Puppies, adult dogs, and senior dogs may require different types of dewormers. Additionally, the dosage is often determined by the dog's weight. It's crucial to choose a dewormer that is appropriate for your dog's age and weight to ensure its effectiveness and safety. Always check the product label for age and weight guidelines.
Form of DewormerDewormers are available in various forms such as tablets, chewables, liquids, and topical treatments. The form you choose can depend on your dog's preferences and how easy it is for you to administer the medication. For example, some dogs may readily take chewable tablets as treats, while others might be more comfortable with a liquid form mixed into their food. Consider your dog's behavior and what form would be the least stressful for both of you.
Frequency of TreatmentThe frequency of treatment can vary depending on the type of dewormer and the specific parasite being targeted. Some dewormers require a single dose, while others may need to be administered over several days or repeated after a few weeks. It's important to follow the treatment schedule recommended by the manufacturer or your veterinarian to ensure the dewormer is effective. Consider your ability to adhere to the treatment schedule when choosing a dewormer.
Side EffectsLike any medication, dewormers can have potential side effects. Common side effects may include vomiting, diarrhea, or loss of appetite. It's important to read the product label and be aware of any potential side effects. If your dog has a history of sensitivity to medications or has any pre-existing health conditions, consult with your veterinarian before choosing a dewormer. Monitoring your dog after administering the dewormer can help you catch any adverse reactions early.
Veterinarian RecommendationConsulting with your veterinarian is always a good idea when choosing a dewormer. Veterinarians can provide a proper diagnosis, recommend the most effective dewormer for your dog's specific needs, and guide you on the correct dosage and treatment schedule. They can also help you understand any potential risks and side effects. A veterinarian's recommendation can give you peace of mind that you are making the best choice for your dog's health.

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