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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 Large Dogs & Puppies (Over 25 lbs), Worm Remover (Praziquantel & Pyrantel Pamoate), 2 Flavored Chewables

Rating
9.7
Chosen by1,241
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
8650 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
9.7
Chosen by1,241
Type of Parasite
Age and Weight of Dog
Form of Dewormer

Most important from
8650 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.
#2

Safe-Guard (Fenbendazole) Dewormer Liquid 125ml

Rating
9.4
Type of Parasite
Frequency of Treatment
Veterinarian Recommendation

Most important from
3923 reviews

Type of Parasite
Highly effective dewormer! Easy to administer and works fast to clear parasites.
Frequency of Treatment
Convenient for keeping up with my dogs every couple of months & works great!
Veterinarian Recommendation
Reliable and trusted for keeping animals healthy.

The Safe-guard (Fenbendazole) Dewormer Liquid is a versatile dewormer effective against various parasites, including stomach worms, lungworms, hookworms, and nodular worms. This makes it a broad-spectrum solution for pet owners dealing with multiple types of parasitic infections. The liquid form allows for easy administration, which can be particularly beneficial for dogs that struggle with tablets or chews.

It is essential to consult with a veterinarian to determine the correct dosage based on the dog's age and weight. The product's packaging includes residue warnings, particularly for livestock, indicating it is potent but requires careful handling. Monitoring your pet after administration is recommended.

Being a popular product with a high best-sellers rank and favorable reviews, it stands out as a reliable choice but necessitates veterinary consultation for safe and effective use.

Rating
9.4
Type of Parasite
Frequency of Treatment
Veterinarian Recommendation

Most important from
3923 reviews

Type of Parasite
Highly effective dewormer! Easy to administer and works fast to clear parasites.
Frequency of Treatment
Convenient for keeping up with my dogs every couple of months & works great!
Veterinarian Recommendation
Reliable and trusted for keeping animals healthy.
#3

SENTRY PET Care SENTRY Worm X Plus 7 Way DeWormer Large Dogs (6 Count) Package May Vary

Rating
9.2
Type of Parasite
Form of Dewormer
Frequency of Treatment

Most important from
22542 reviews

Type of Parasite
Quick and effective protection against parasites.
Form of Dewormer
Dogs willingly ate the chewable tablets without needing treats.
Frequency of Treatment
Works great with one dose - very cost effective.

The SENTRY PET Care SENTRY Worm X Plus 7 Way DeWormer is designed specifically for large dogs over 25 pounds. It effectively treats and controls a broad spectrum of parasites, including two types of tapeworms, two types of roundworms, and three types of hookworms. This makes it versatile in dealing with multiple common parasites.

One of its significant advantages is that it contains pyrantel pamoate and praziquantel, active ingredients commonly found in veterinary brands, but it is available over the counter, meaning no prescription is needed. The dewormer comes in the form of tasty chewable tablets, which can be given to your dog with or without food, making administration easy and stress-free. It is suitable for dogs aged 12 weeks and older, covering all life stages effectively.

Regular use is recommended to keep your dog free from parasites, and the product's regular availability makes it convenient to maintain this routine. The dewormer is specifically formulated for large dogs, so it’s not suitable for smaller breeds or puppies under 25 pounds. While side effects are not prominently mentioned, it’s essential to monitor your dog for any adverse reactions, as with any medication. Consulting with your veterinarian before beginning a deworming regimen is a good practice to ensure it is appropriate for your dog's specific health needs. The SENTRY Worm X Plus is an effective and convenient option for large dog owners looking to manage a range of parasitic infections without needing a prescription.

Rating
9.2
Type of Parasite
Form of Dewormer
Frequency of Treatment

Most important from
22542 reviews

Type of Parasite
Quick and effective protection against parasites.
Form of Dewormer
Dogs willingly ate the chewable tablets without needing treats.
Frequency of Treatment
Works great with one dose - very cost effective.

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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