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Pets Health

Best Dog Dewormer Solutions

Updated March 2025
Bottom line
Pros
Cons
Best of the Best
Merck Animal Health Panacur C Canine Dewormer
Merck Animal Health
Panacur C Canine Dewormer
Most Comprehensive

This is a well-rounded dog dewormer solution that can easily be tailored to accommodate dogs of any size.

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Most Comprehensive
Bottom Line

This is a well-rounded dog dewormer solution that can easily be tailored to accommodate dogs of any size.

Pros

Treats hookworms, roundworms, tapeworms, and whipworms. Can be used on dogs as young as 6 weeks and as small as 10 pounds. Includes simple dosing instructions for any sized dog. Some users say it works on giardia as well.

Cons

A small percentage of dogs may experience vomiting or diarrhea.

PetArmor 7-Way De-Wormer for Dogs
PetArmor
7-Way De-Wormer for Dogs
Affordable & Effective

This is a good-tasting chew that eliminates three types of parasitic worms and comes in dosages for puppies and adult dogs.

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Affordable & Effective
Bottom Line

This is a good-tasting chew that eliminates three types of parasitic worms and comes in dosages for puppies and adult dogs.

Pros

Treats and controls roundworms, tapeworms, and hookworms. Flavored chews are easy to give dogs. Suitable for puppies 12 weeks and older. Available for puppies and adult dogs up to 25 pounds and dogs over 25 pounds.

Cons

Some reports of dogs getting sick after taking the chews. A few packages were damaged when they arrived.

SENTRY Pet Care HC Worm X Plus Broad Spectrum De-Wormer
SENTRY Pet Care
HC Worm X Plus Broad Spectrum De-Wormer
Simple Yet Solid

It's a quick and effective treatment for most types of worms, but it won't do anything about whipworms.

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Simple Yet Solid
Bottom Line

It's a quick and effective treatment for most types of worms, but it won't do anything about whipworms.

Pros

Works on tapeworms, ringworms, and hookworms. Flavored chewables that only need to be taken once per month. Users report positive results in as little as 24 hours after treatment.

Cons

Does not treat whipworms. Cannot be used on puppies under 12 weeks.

Pfizer Nemex-2
Pfizer
Nemex-2
Dog-Approved Flavor

A liquid dewormer solution that dogs love, but it's not effective on all types of worms.

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Dog-Approved Flavor
Bottom Line

A liquid dewormer solution that dogs love, but it's not effective on all types of worms.

Pros

Works on puppies 2 weeks and older. The same bottle can be used on small and large dogs. Liquid solution that you can mix in with food. Good value for the price. Most dogs enjoy the taste.

Cons

Doesn't work on tapeworms or whipworms.

Bayer Animal Health Quad Dewormer
Bayer Animal Health
Quad Dewormer
Broad-Spectrum

Choose this broad-spectrum canine dewormer if you are concerned about treating your best friend for numerous types of worms.

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Broad-Spectrum
Bottom Line

Choose this broad-spectrum canine dewormer if you are concerned about treating your best friend for numerous types of worms.

Pros

Versatile chews that treat tapeworms, hookworms, roundworms, and whipworms. Results are fast for most dogs, typically in 1 to 2 days. For dogs and puppies 4 weeks and up. Formulas are available for dogs of various sizes.

Cons

Pricey. Some dogs didn't like the flavor and wouldn't take them.

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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. About BestReviews  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.About BestReviews 
How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

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First Reviewed
November 08, 2021
35
Models
considered
8
Hours
researched
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Eliza McGowen
Written by Eliza McGowen

Updated March 2025

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Dog dewormer solutions are used to treat tapeworms, roundworms, hookworms, whipworms and other strains of worms. They contain powerful ingredients that are proven to combat worms in dogs. Additionally, dog dewormer solutions are designed for easy ingestion. They come in convenient chewable tablets and can be mixed into a dog's food. Dog dewormer solutions are also available for small, medium and large dogs and puppies. They include easy-to-follow instruction and are safe, effective and FDA-approved. The side effects associated with dog dewormer solutions are generally minimal. Some dog dewormer solutions are available that include homeopathic remedies, too.

Our Top Picks
Merck Animal Health
Best of the Best
Merck Animal Health
Panacur C Canine Dewormer
Bottom Line
This is a well-rounded dog dewormer solution that can easily be tailored to accommodate dogs of any size.
Shop Now
PetArmor
Best Bang for the Buck
PetArmor
7-Way De-Wormer for Dogs
Bottom Line
This is a good-tasting chew that eliminates three types of parasitic worms and comes in dosages for puppies and adult dogs.
Shop Now
SENTRY Pet Care
Top Pick
SENTRY Pet Care
HC Worm X Plus Broad Spectrum De-Wormer
Bottom Line
It's a quick and effective treatment for most types of worms, but it won't do anything about whipworms.
Shop Now
Pfizer
Top Pick
Pfizer
Nemex-2
Bottom Line
A liquid dewormer solution that dogs love, but it's not effective on all types of worms.
Shop Now
Bayer Animal Health
Top Pick
Bayer Animal Health
Quad Dewormer
Bottom Line
Choose this broad-spectrum canine dewormer if you are concerned about treating your best friend for numerous types of worms.
Shop Now
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