February 25, 2020

The Best Cat Dewormers

Cat Dewormers

Worms are parasites that can infect your cat’s intestines. And if these intestinal parasites are left untreated, they can gravely affect your cat’s health and overall well-being.

There are multiple types of worms that can affect your cat’s health, and the most common types are roundworms, tapeworms, hookworms, and whipworms.

If infected, your cat can exhibit multiple symptoms including diarrhea, weight loss, dry hair, and vomiting. Your cat’s appearance can also weaken, and they may look unhappy or feel unwell. Anemia, a swollen belly, or coughing can also be symptoms.

It’s also important to note that your cat may not show any symptoms even if they’ve been infected because some worm eggs or larvae can lay dormant in your cat’s body.

Though some cat dewormers have to be prescribed, there are many that you can buy online. We’ve created this list of the five best cat dewormers to help you find the best product for your needs. A buying guide is included at the end to help answer some questions you may have.

Top 5: Cat Dewormers Review

Bayer Tapeworm Dewormer (Prazquantel Tablets) for Cats, 3 Tablets

This product is designed to combat tapeworms. It can be taken orally by mixing it into your cat’s food.

This product is for cat’s that are at least 6 weeks old, and a single dose can rid your cat of tapeworms within a day or two. Though it is recommended that you give your cat a second dose two weeks later, it is not required for this product to work.

Your bottle of Bayer Tapeworm Dewormer for Cats should be sealed when you receive it. If your cat refuses to take pills or eat medicated food, then this may not be the best product for you.


  • Works quickly.
  • Comes with multiple doses.
  • Affordable.


  • Can be hard to give to cats.
Dewоrmer for Dogs & Cats - Made in USA - Dewоrmer for Puppies, Kittens, Small & Large Breeds - Powerful Canine Dewоrmer for Hookwоrm, Roundwоrm, Tapewоrm - Liquid Cat Wоrmer with MAX Absorption

This product is for cats of all sizes and ages, and it treats three types of worms. Roundworms, hookworms, and tapeworms can all be removed from your cat with this product, and it works within a week.

Made in the USA, this product is made with pure herbal ingredients, and it can help prevent your cat from being reinfected.

Since this dewormer is made with a liquid formula, treating your cat can be easy. You just have to add drops of this treatment into your cat’s food or directly into your cat’s mouth.

Every ingredient in this product is non-GMO, and it doesn’t have any allergens.


  • Non-GMO and free of allergens.
  • Treats tapeworms, hookworms, and roundworms.
  • Liquid formula.


  • Multiple doses may be required.
Beloved Pets Dewormer for Dogs & Cats - Made in USA - Effective Against Tapeworms Hookworms Roundworms Whipworms - Natural Worm Treatment for Kitten & Puppy

This product can remove hookworms, whipworms, tapeworms, and roundworms in a single dose, and it works within 24 hours.

This product can be used daily to prevent worm infections, and it was created by American vets. This safe dewormer only has natural ingredients, and you can mix it with your cat’s food to treat them.

This treatment is made with a liquid formula, so it can be easy to use.


  • Treats roundworms, hookworms, tapeworms, and whipworms.
  • Natural ingredients.
  • Created by vets.


  • Many treatments may be required to see results.
VetaHelp Labs Dewormer for Dogs & Cats (2 OZ) - Treat & Prevent - Broad Spectrum Whipworm, Roundworm & Tapeworm Dewormer - Made in USA - Natural Powerful Blend - Senior Pets, Kitten & Puppy Dewormer

This product treats the six most common worms, and its liquid formula is easy to give to your cat. Pets can receive this treatment directly, or you can put it in their food.

With a purchase of this product, you get a month’s supply of treatment for your cat, and this product can be used to prevent a worm infestation. Worms can be transferred to humans from pets, so it is important to ensure your cat is worm-free.

This product is made in the United States of America, and it has 100% natural ingredients.

This treatment comes with a 100% satisfaction guarantee.


  • Natural ingredients.
  • Month’s supply.
  • Treats ringworms, hookworms, tapeworms, whipworms, Trichinella, and strongyloides (threadworms, seatworms, and pinworms).


  • Multiple treatments may be required to see results.
HerbalVet 10 Tablets Cat Intestinal Cleanse | Cat Dewormer Alternative | Cleansing Tablets for Cats, Promotes Intestinal Health | Helpful E-Book Included, 1 Bottle of Ten

This product is a monthly cleanse that helps to maintain the health of your cat’s intestines. This product is for cats that are at least 6 weeks pounds and weigh a minimum of 2 pounds.

Only 100% natural and organic ingredients are in this product, and only a single dose is required each month.

The pills that come in this product are small so that they are easier to give your cat, and a free-ebook comes with this product that provides you with step-by-step instructions on how to give your cat medicine.

There are no harmful essential oils in this product. This is not for pregnant or nursing cats.


  • Natural safe ingredients.
  • One serving required monthly.
  • Step-by-step instructions on how to feed your cat pills.


  • Pills are difficult to crush and mix into food.

Buying Guide

The Bayer Tapeworm Dewormer for Cats is one of the highest-rated products on our list. It is also affordable. This product is best for pet owners who know their cat has tapeworms and do not require treatment for other types of worms.

This product is very effective at treating tapeworms, but it can be hard to use if your cat doesn’t swallow pills well.

This Bayer dewormer works quickly, and can rid your cat of tapeworms within 24 hours.

The Petford Dewormer for Dogs and Cats is the most versatile product on our list because it can be used on pets of all ages and sizes. This product can work within a week, and it does not have any allergens. It is also non-GMO.

This product is a liquid formula which makes it easier to use

The Beloved Pets Dewormer for Dogs and Cats is our best value product. It removes the four most common worms, and it has only natural ingredients. This product was created by veterinarians, and it can work within a day.

Multiple uses may be needed to get the best results.

The VetaHelp Dewormer for Dogs & Cats treats all of the most common worms, and you will get a full month’s supply. This product is all natural, and it is made in the USA. This is the most thorough product on our list.

The HerbalVet Cat Intestinal Cleanse is a great option for those looking for a preventative treatment. This intestinal cleanse can help prevent your cat from getting worms.

This cleanse has small pills, and it comes with step-by-step instructions so you know how to use it. This product is natural. The pills are difficult to crush.

Frequently Asked Questions

Can Cat’s Be Dewormed at Home?

You can deworm your cat yourself. Treatments can be bought online, and by following your product’s instructions, you can rid your cat of worms and prevent it from getting more.

If you use an at-home treatment, it is important to follow it up with a flea collar or a flea treatment to help ensure your cat is fully protected from worms.

What Are the Symptoms for Worms in Cats?

Vomiting, constipation, diarrhea, and dark stool are all symptoms for worms in cats. A bloated belly and weight loss are also symptoms. If your cat is biting, licking, or scratching its rear frequently, that can also be a sign it has worms.

How Do I Know If a Dewormer Is Working?

Signs that your cat’s dewormer is working is if you see pieces of worms in their poop or in the skin or fur around their butt. Your cat may also scootch its behind across the floor if the dewormer is working to help get rid of the ones attached to their skin or fur.

Can People Get Worms from Cats?

Yes, you can get worms from your cat. Worms can be transferred from pets to humans via a cat licking you, although it is unlikely. Since cats often aren’t feces eaters unlike dogs, getting worms from your cat is a rare possibility.

You should still be careful, however, because a chance of transference does still exist.

Can My Cat Die from Worms?

Kittens are more likely to die from worms than adult cans, but it is still a possibility. Worms infect a cat’s intestinal tract and can affect how much a cat eats and what nutrition is passed along to them.

Roundworms are one of the biggest culprits for serious illness in kittens when infected.

You can expect your cat to be infected by worms at some point in its life, so it is best to be prepared and be sure you have a dewormer available for when your cat is infected.

Can I Pet My Cat If It Has Worms?

Yes, you can pet your cat if it has worms. It is unlikely that worms will transfer to you through petting your cat, so go ahead and continue to show your cat some love.

How Long Does It Take to Completely Deworm a Cat?

A lot of factors can determine how long it takes to deworm your cat, but it generally takes at least 24 hours. If the infestation is bad, or if the treatment requires multiple doses, then it can take up to 2 or 3 weeks to completely rid your cat of worms.

What Are Side Effects of Deworming a Cat?

Common side effects that can come with deworming a cat include diarrhea, vomiting, excessive salivation, and hair loss if a topical treatment is used.

These side effects do not have to be worrying, but if you see your cat acting unusual after a deworming and it concerns you, then do not hesitate to speak with a vet and make sure your pet is okay.

What Happens If Worms in My Cat Are Left Untreated?

Untreated worms can be fatal for cats, especially kittens. Untreated worms can cause your cat to become anaemic or have blockages in their intestines. It is best to treat any worms in your cat immediately.

How Often Should Cats Be Treated for Worms?

For kittens, it is best to deworm them every 2 weeks until they are 12 weeks old. Cats that are less than 6 months old should be treated every month. After six months of age, cats should be treated at least every 3 months to prevent a worm infestation.

Final Verdict

If you’re interested in treating or preventing worms in your cat, then go ahead and check out one of the products we’ve reviewed today.

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