Best Dog Dewormer Over The Counter Top 5 Picks & Review

Peter Armani | 21-12-2025

Dealing with intestinal worms is a common concern for dog owners, and over-the-counter dewormers offer a convenient solution. These treatments are designed for home use and can target multiple types of worms, helping to keep your dog healthy and comfortable. Choosing the right product depends on your dog’s size, age, and specific needs. Below, you’ll find a comparison of widely used OTC dog dewormers, followed by a practical guide for making the best choice.

Editor's Choice
PetArmor 7 Way De-Wormer for Large Dogs
PetArmor 7 Way De-Wormer for Large Dogs
Premium Pick
Worm X Plus 7 Way De-Wormer for Small Dogs & Puppies
Worm X Plus 7 Way De-Wormer for Small Dogs & Puppies
Budget Pick
Worm X Plus 7 Way De-Wormer for Medium & Large Dogs
Worm X Plus 7 Way De-Wormer for Medium & Large Dogs

Top 5 Dog Dewormer Over The Counter

We researched and compared the top products in the Dog Dewormer Over The Counter category to provide you with these recommendations.

1. PetArmor 7 Way De-Wormer for Large Dogs

Broad Spectrum Coverage
PetArmor 7 Way De-Wormer for Large Dogs
9.8

Petarmor

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This chewable dewormer is formulated for large dogs and offers a straightforward way to address several common types of intestinal worms. The tablet has a texture that most dogs accept, making dosing less stressful for both pet and owner. It's designed for occasional use and fits easily into a routine health regimen for dogs over 25 pounds.

What We Like:

  • Covers multiple worm species
  • Chewable format for easier administration
  • Suitable for a wide weight range
  • No prescription needed
  • Clear usage instructions

What Could Be Improved:

  • Some dogs may resist the taste
  • Not suitable for puppies under 12 weeks

2. Worm X Plus 7 Way De-Wormer for Small Dogs & Puppies

Puppy Friendly Formula
Worm X Plus 7 Way De-Wormer for Small Dogs & Puppies
9.5

Worm X Plus

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Designed for small dogs and puppies, this chewable tablet is easy to give and can be offered with or without food. The texture is palatable for most pets, making it a practical choice for younger or smaller dogs. It's intended for routine deworming and fits well into a regular care schedule for dogs between 6 and 25 pounds.

What We Like:

  • Suitable for small breeds and puppies
  • Broad spectrum of action
  • Simple dosing with chewable tablets
  • No prescription required

What Could Be Improved:

  • May require multiple doses for full effect
  • Some picky eaters may refuse

3. Worm X Plus 7 Way De-Wormer for Medium & Large Dogs

Large Breed Solution
Worm X Plus 7 Way De-Wormer for Medium & Large Dogs
9.1

Worm X Plus

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This dewormer comes in chewable tablet form and is intended for medium to large dogs. The tablet is designed to be easy to administer, either alone or mixed with food. It's a practical option for households with bigger dogs needing broad-spectrum worm control.

What We Like:

  • Covers several common worm types
  • Chewable for easier dosing
  • No vet visit needed
  • Suitable for dogs over 25 pounds

What Could Be Improved:

  • Some dogs may dislike the flavor
  • Not for smaller breeds

4. Elanco Chewable Quad Dewormer for Small Dogs

Beef Flavor Chewables
Elanco Chewable Quad Dewormer for Small Dogs

This dewormer features a beef-flavored chewable tablet, making it appealing to many small dogs. It's intended for use in dogs as young as four weeks and covers a wide range of intestinal worms. The small tablet size is convenient for dosing smaller breeds and puppies.

What We Like:

  • Palatable beef flavor
  • Effective against multiple worm types
  • Usable for young puppies
  • Compact tablet size

What Could Be Improved:

  • Not intended for larger dogs
  • May require careful handling around children

5. Elanco Chewable Quad Dewormer for Large Dogs

Multi Worm Protection
Elanco Chewable Quad Dewormer for Large Dogs

This chewable dewormer is formulated for large dogs and offers broad coverage against several types of worms. The beef-flavored tablet is designed for easy administration, and the product is suitable for adult dogs and larger breeds. It fits well into a routine deworming schedule for bigger pets.

What We Like:

  • Broad-spectrum effectiveness
  • Easy-to-give chewable tablet
  • Suitable for large breeds
  • Flavor appeals to many dogs

What Could Be Improved:

  • Not suitable for small dogs
  • Keep out of reach of children

How to Choose Over-the-Counter Dog Dewormers

Match Dewormer to Dog Size and Age

Using the right product for your dog's size and age ensures safe and effective treatment. Always read dosing instructions carefully.

Identify Targeted Worm Types

Choosing a dewormer that treats the worms your dog is most likely to encounter can help prevent recurring issues.

Formulation and Ease of Administration

A palatable, easy-to-administer tablet can make regular deworming less stressful for both pet and owner.

Frequency of Treatment and Safety

Sticking to a regular schedule and observing your dog after treatment can help catch any reactions early.

When to Consult a Veterinarian

A veterinarian can help with diagnosis, recommend lab tests, and suggest prescription options if OTC treatments are not effective.

FAQ For Dog Dewormer Over The Counter

1. What types of worms do OTC dog dewormers treat?

Most over-the-counter dog dewormers target common intestinal worms such as roundworms, hookworms, tapeworms, and sometimes whipworms. Always check the product label to confirm which parasites are covered.

2. Can I use an OTC dewormer for puppies?

Some OTC dewormers are formulated for puppies, but always verify the minimum age and weight requirements on the packaging before use. Consult a veterinarian if you are unsure.

3. How often should I deworm my dog?

The frequency depends on your dog's risk factors and the specific dewormer used. Some products are single-dose, while others may require repeated treatments. Follow the instructions provided with the product.

4. Are OTC dewormers as effective as prescription options?

OTC dewormers can be effective for many common intestinal worms, but prescription products may be needed for certain parasites or severe infestations. Consult a veterinarian if your dog does not improve.

5. What should I do if my dog shows side effects after deworming?

Monitor your dog closely and contact your veterinarian if you notice unusual symptoms such as vomiting, diarrhea, or lethargy. Most dogs tolerate OTC dewormers well, but reactions can occur.

Peter Armani

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