Best Cat Dewormer

When the vets inform you that your cat has worms, or if you notice something strange in your feline's feces, you are likely to be afflicted with horror and will start wondering where to find the best cat dewormer.

However, parasites or worms in cats are incredibly common. Both cats and dogs are susceptible to parasitic diseases, roundworms, and tapeworms. In fact, kitten and puppies are often born with a tapeworm infection!

Although there are a number of cures for worms and fleas found in felines, if left untreated parasitic diseases in cats can turn pretty ugly. Not only are they uncomfortable, but they can also lead to various other health issues.

There are a plethora of different parasites that can infect our felines. While most prefer our furry ones, some parasites can even pass on to and affect humans as well.

One of the most common type’s gastrointestinal parasites is parasitic worms that infect your cat’s digestive tract. The strain of intestinal worms can gradually overcome on your pet, lead to anemia and protein loss, and reduce the amount of nutrients your cat is able to absorb. This is especially inhibiting for young cats and kittens, whose little bodies need all the nutrients they can get.

The easiest way to make sure that your pets (and you!) maintain optimal health is through regular worming. However, there is a lot to consider when choosing the best cat dewormer for your pet. Is your feline already infected by a worm? What parasites are prone to your region? What kind of treatment method works best for your cat?

No matter what parasite is found in your cat, it's important to treat your cat as efficiently and quickly as possible. Once you have identified your cat's distress to be a parasitic worm, there is a myriad of options available to you, from the treatment of various infections to various forms of medicine. 

To help you choose the best deworming treatment for your cat, we’ve compared 5 of the most popular cat dewormers on the market, so you find the appropriate and best solution for your kitty.

Comparison Chart

Name
Top Pick
Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
Runner Up
Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
Cosequin - Pet - Cosequin For Cats - 55 capsules
Bayer Tapeworm Dewormer for Cats 6 weeks and older
Budget Choice
8in1 Excel Roundworm De-Wormer 4 Oz
Image
Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
Cosequin - Pet - Cosequin For Cats - 55 capsules
Bayer Tapeworm Dewormer for Cats 6 weeks and older
8in1 Excel Roundworm De-Wormer 4 Oz
Effectiveness
Highly effective
Highly effective
Moderately effective
Moderately effective
Takes longer
Side Effects
Minimal
Minimal
Minimal
Minimal
Minimal
Safety
Very safe
Very safe
Safe
Safe
Safe
Editor's Rating
(5 / 5)
(4.9 / 5)
(4.7 / 5)
(4.5 / 5)
(4.4 / 5)
Prime Availability
Top Pick
Name
Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
Image
Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
Effectiveness
Highly effective
Side Effects
Minimal
Safety
Very safe
Editor's Rating
(5 / 5)
Prime Availability
Price
Runner Up
Name
Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
Image
Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
Effectiveness
Highly effective
Side Effects
Minimal
Safety
Very safe
Editor's Rating
(4.9 / 5)
Prime Availability
Price
Name
Cosequin - Pet - Cosequin For Cats - 55 capsules
Image
Cosequin - Pet - Cosequin For Cats - 55 capsules
Effectiveness
Moderately effective
Side Effects
Minimal
Safety
Safe
Editor's Rating
(4.7 / 5)
Prime Availability
Price
Name
Bayer Tapeworm Dewormer for Cats 6 weeks and older
Image
Bayer Tapeworm Dewormer for Cats 6 weeks and older
Effectiveness
Moderately effective
Side Effects
Minimal
Safety
Safe
Editor's Rating
(4.5 / 5)
Prime Availability
Price
Budget Choice
Name
8in1 Excel Roundworm De-Wormer 4 Oz
Image
8in1 Excel Roundworm De-Wormer 4 Oz
Effectiveness
Takes longer
Side Effects
Minimal
Safety
Safe
Editor's Rating
(4.4 / 5)
Prime Availability
Price

Best Cat Dewormer Reviews

Bayer Tapeworm Dewormer for Cats 6 weeks and older

If you notice or have been told that your feline has fleas, there's a high chance that they have tapeworms as well. When you need to treat tapeworms fast and efficiently, consider Bayer Tapeworm Dewormer has a compelling option.

Product Highlights

Tapeworms are most commonly transmitted to your cat when they inadvertently consume fleas. This can happen with they lick, bite, or chew at their skin or hair to relieve flea itching. Cats that hunt rodents and birds while they are outdoors also have an increased risk of infection.

Bayer Tapeworm Dewormer is conveniently available without a prescription and is safe for use in cats that are over six weeks of age. The praziquantel tablets are sized for easy oral administration to either adult cats or kittens over six weeks of age. They can crumble into cat food or be administered by mouth with a treat.

While the Bayer Tapeworm Dewormer can safely remove tapeworm in one treatment, it is essential to take specific steps for rodent and flea control on your premises to prevent possible reinfection, and therefore necessary retreatment.

 Side effects include isolated incidences of diarrhea or salivation following treatment but are non-significant. Any persistent side effects should be reported to your veterinarian immediately.
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Bayer Tapeworm Dewormer for Cats 6 weeks and older
  • Easy effective way to remove common tapeworms
  • Tablets may be crumbled and mixed with food or taken by mouth
  • For use in cats over 6 weeks of age
  • From Bayer, For use in cats over 6 weeks of age
  • Available without a prescription

What's to like about the Best Tapeworm Cat Dewormer - Bayer Tapeworm Dewormer

Praziquantel is a highly effective drug for treating tapeworms and cats and kittens. When the dosage is followed, and measures are taken to eradicate fleas from the premises, this little medicine really does work like a charm in removing tapeworms. The product works quickly, generally clearing up tapeworms in less than a day in both kittens and adult cats.

What's not to like about the Best Tapeworm Cat Dewormer - Bayer Tapeworm Dewormer

While most cat owners didn't have a problem administering this pill to their cat when crumbled and mixed with food, picky cats may find this method less favorable and refuse to eat their food. The medicine only comes with three pills, which makes it a little more on the expensive side, especially if the tapeworm problem wasn't eliminated the first time around. Some cats experienced severe side effects such as sickness. The product would be more beneficial if it treated multiple types of parasites in cats.

PROS

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    Highly Effective Tapeworm Treatment
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    Safe for Kittens and Adult Cats
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    Easily Crumbles into Food

CONS

  • Picky Cats May Have Difficulty Consuming Tablets
  • Unfavorable Side Effects
  • Treats One Type of Parasite

8in1 Excel Roundworm De-Wormer 4 Oz

Do you need a tasty dewormer solution for your picky feline? Then Excel Roundworm Dewormer is your number one choice!

Product Highlights

The Excel Roundworm Dewormer is a delicious vanilla-flavored liquid dewormer designed to treat large roundworms in kittens and cats. This tasty Piperazine liquid is easy to administer and even comes with a convenient dosing cup as a cap. Simply deliver the correct amount directly with your cat's food for complete eradication of the roundworm parasite.

After the initial dose, you’ll want to wait until day 14 to administer again. Following this repeated dose, you'll want to distribute this medicine every 30 days to reduce the risk of re-infestation. If your home has multiple cats, you'll want to provide the drops directly to ensure the right dosage. 

This medicine is not recommended for cats whose body weight is under 2 lbs, as well as nursing or pregnant females. Cats that are over a year of age should receive a negative heartworm blood test from the veterinarian before proceeding with deworming.

What's to like about the Best Budget Cat Dewormer - Excel Roundworm De-Wormer

This medicine contains the active ingredient Piperazine, which is powerful against the most common types of roundworms in felines. We love that this product comes in a tasty liquid form, making it easy to administer directly with food or water. This product is safe for both kittens and cats.

What's not to like about the Best Budget Cat Dewormer - Excel Roundworm De-Wormer

While many cat owners had positive results with this medicine, it's important to keep in mind that this was designed for specific type of parasite – roundworms and will not eradicate all types of worms your cat may be suffering from. Some cats were not fond of the vanilla taste in their food, had adverse side effects, and did not find their worms to be wholly eradicated.

PROS

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    Works Well to Remove Roundworms
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    Tasty, Easy to Administer Liquid
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    Safe for Kitten and Cats

CONS

  • Sweet Vanilla Taste Was Not Favorable for All Cats
  • Did Not Remove All Worms
  • Some Side Effects

Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.

For a proactive approach to your feline’s overall wellness, add ProSense Dewormer Solutions into your cat’s healthcare regime.

Product Highlights

The Pro-Sense brand offers a variety of solutions for your pet's wellness and healthcare needs. Pro-Sense Dewormer Solution is designed for the treatment of cats and kittens six weeks and older. Use this liquid Piperazine to treat large roundworms. Wait 14 days before administering the second dose, then repeat every 30 days to prevent reinfestation. Follow instructions for dosage recommendations.

Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
  • Used for the Treatment and control of roundworms
  • For cats and kittens 6 weeks and older
  • Dosage may be given directly or added to Food
  • Packaging may vary

What's to like about the Best Roundworm Cat Dewormer - ProSense Dewormer Solutions

This product is extremely easy to use and effective in preventing and eliminating roundworms. The instructions and dosage and clear and easy to follow, making a reliable treatment. There were no reports of adverse side effects in this product, meaning a safe and secure treatment for your kitty!

What's not to like about the Best Roundworm Cat Dewormer - ProSense Dewormer Solutions

Some kitties didn't love having this administered with their food and required a direct dosage. We wish that this product came with a syringe or another means of convenient dosing. Unfortunately, this product only treats roundworm and will not benefit your cat in the presence of other parasites.

Just for fun, below is a short video about the top 10 best cat dewormer products:

PROS

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    Easy Liquid Formula
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    Effective in Treating Roundworms
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    No Adverse Side Effects

CONS

  • Doesn’t Come With Syringe
  • Only Treats the Roundworm Parasite

Cosequin - Pet - Cosequin For Cats - 55 capsules

Does your cat suffer from joint problems and pain due to old age? Nutramaz Cosequin for Cats might just be the best option to revitalize your feline as she ages through life.

Product Highlights

Cosequin for Cats helps preserve existing cartilage and ease the hardship of joint pain. It also helps support positive bladder health in cats that have entered their senior days. Rated number one by veterinarians as a dietary supplement for preserving joint health in cats of all breeds, this product is sure to help your cat move with more ease.

As cats age, they become less flexible. This reduces their mobility and has a significant impact on the quality of their life. You may notice that your cat is not as playful and they are less inclined to lay in their favorite spots. While this could be a normal sign of aging, it could also point to deteriorating joint health.

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Cosequin - Pet - Cosequin For Cats - 55 capsules
  • Plays important role in maintaining optimal joint function in cats
  • Manufactured following standards similar to pharmaceutical industry
  • Contains 125 milligrams FCHG49 glucosamine and 100 milligrams TRH122 chondroitin sulfate per capsule
  • Also recommended to support bladder health
  • Please read all label information on delivery

What's to like about the Best Joint Health Medicine - Nutramax Cosequin for Cats

This product really does perk up kitties that struggle with joint pain and mobility. In just a few days of repeated use, cat owners noticed that their cat was much more playful and willing to engage then previously before.

What's not to like about the Best Joint Health Medicine - Nutramax Cosequin for Cats

While most cats seem to like the taste, some cats still experienced pain in movement and no increased activity. This product is an excellent asset for joint health; it does not have any active ingredients that help fight off parasites.

PROS

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    Cats Like Taste
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    Helps with Mobility and Pain

CONS

  • Some Cats Did Not Experience Benefits
  • No Parasite Fighting Ingredients

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract

Need all-natural cat deworming solution that completely eradicates the presence of all major parasites? Look no further than Naturepet Dewormer! This cat deworming solution promises to be 100% effective and safe for your feline friends.

Product Highlights

Naturepet Dewormer for cats and dogs is proven to be effective in fighting off ringworm, whipworm, tapeworm, giardia, roundworm, and pinworm. Wholly veterinarian approved, this product really is 100% natural and safe for the regular prevention and deworming of our furry friends with ingredients such as wormwood aerial parts, black walnut green hull, and black seed. Just place a few drops of this solution on your cat's food or water without the mess and difficulty of pills or powder.

The bottle itself is an excellent value. The 100 ml natural dewormer is enough for 2-7 treatments for your cat. Not only does this medicine work to remove harmful parasites from your cats and dogs, but it also contains ingredients like sage leaf, fennel seed, and papaya leaf that help to soothe and heal the digestive tract.

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
  • NATURAL DEWORMER FOR DOGS AND CATS: pinworm, roundworm, giardia, tapeworm, whipworm, and ringworm
  • SAVE ON VET BILLS! - Veterinarian Approved! 100% natural and safe for regular deworming & prevention
  • EASY TO ADMINISTER! - Simply place deworming drops on your pet's food. No messy powder or pills!
  • EXCELLENT VALUE - 100 ML/ 3.3 FL OZ bottle contains enough natural dewormer for 2-7 treatments.
  • SOOTHES AND HEALS THE DIGESTIVE TRACT from the damage caused by cat and dog worms.

What's to like about the Best All-Natural Cat Dewormer - Naturepet D Wormer

We absolutely love that this cat dewormer is an all-natural solution to treating harmful feline parasites. Not only is this product efficient, but it also eliminates the worry for all infections! No more purchasing multiple solutions trying to help your pet, this all-in-one cat dewormer really is the only medicine you'll need in your cat's preventative wellness regime. The medication comes with an easy-to-use dropper for administering directly or with food.

What's not to like about the Best All-Natural Cat Dewormer - Naturepet D Wormer

Although this product seems to be a practical long-term solution, it might not be recommended if you need to get rid of existing parasites fast. We feel like it may be better suited as a preventative medicine then eliminating discomfort caused by parasites. The smell is overpowering and must be administered directly to some cats to consume. The product is also on the higher end of the cost spectrum.

PROS

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    Works for All Parasites
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    Eliminates All Types of Worms

CONS

  • Strong Smell
  • May Be Better Suited as Preventative Medicine

BUYER'S GUIDE

Deworming your feline on a consistent basis is crucial to your cat's overall health. Wormers not only have different active ingredients, but it's also important to understand what each active ingredient does and how it can benefit your cat. Here are the top five active ingredients found in wormers.

Key Feature 1: Pyrantel Pamoate

Pyrantel Pamoate is a highly effective and safe ingredient to treat pinworms, hookworms, and roundworms in pets. In order to eliminate all stages of worms, you’ll need to dose a second or third time, between two and four weeks apart.

Roundworms are able to attach to your pet's intestine with microscopic teeth. Wormers that contain pyrantel pamoate work to paralyze worms so that they release their grip and pass through your cat's feces. The worms will remain alive after they have passed for a short period. 

Key Feature 2: Piperazine

Powerful against two common types of roundworms found in felines. For maximum effectiveness, it’s recommended to administer twice between 10 and 14 days apart.

Key Feature 3: Fenbendazole

Fenbendazole is a broad-spectrum anthelmintic (wormer) use in both large and small animals. Effective in treatment against whipworms, hookworms, roundworms, and even giardia, treatment should be administered once each day for three days.

The ingredient works by decreasing the parasite's energy reserve and hindering their ability to dispose of waste.

Key Feature 4: Praziquantel

Praziquantel is the drugs of choice for treating adult tapeworms in pets. It does not kill their eggs, so there is a potential for reinfection. To keep this from reoccurring, it’s important to treat your pets on a regular basis.

The ingredients halt a tapeworm's ability to prevent digestion in your cat. Therefore, they will disintegrate and become absorbed by your pet's body.

Key Feature 5: Ivermectin

Ivermectin is the most commonly used preventative monthly heartworm for cats and dogs. Additionally, it is also potent against external parasites such as ear mites, mange, and lice.

This ingredient only works on parasites that your cat has become exposed to in the last month, so it’s best to use this product year-round. Ivermectin actively interferes with heartworm’s larva central nervous system. 

Cat Dewormer F.A.Q.

What causes a worm infestation?

Feline roundworm is a common occurrence in cats of every breed. There are three primary types of cat worm: roundworm, hookworm, and tapeworm. These parasites enter your cat through an intermediary host, such as a tick or flea. Once the parasite is in the body, they absorb the nutrients found around them, causing high amounts of discomfort for the host.

When should I deworm?

Worming your adult cat frequently, or every three months, general prevents and treats any possible infestation. If you have recently welcomed a new feline into your home, you'll want to worm immediately and follow up in two weeks for the most reliable results. Kittens may start a wormer treatment at just six weeks old, then again at eight weeks and ten weeks.

Is there a difference between prescription and non-prescription dewormers?

Non-Prescription medication generally only treats one type of the common worms found in cats and not all three. Prescription wormers, on the other hand, manage all types of infections while acting as an antibiotic. However, it's important to check with your veterinarian before treating a nursing or pregnant feline.

FINAL VERDICT

We all know that discovering worms in our pets are bad, but the shock really sets in when it happens to your pet. As a cat owner, it's only natural that you want to do everything you can to give your cats a comfortable life. So when you discover worms, it's essential to choose the very best treatment. Sometimes this is easier said than done. First and foremost you want to determine what kind of parasites your cat has, before picking up a treatment solution.

Naturpet D Wormer | 100% Natural, Safe, & Effective Dewormer for Dogs and Cats | 3.3 oz Liquid Herbal Dewormer | The Only Natural Pet Deworming medicine that soothes & heals the digestive tract
  • NATURAL DEWORMER FOR DOGS AND CATS: pinworm, roundworm, giardia, tapeworm, whipworm, and ringworm
  • SAVE ON VET BILLS! - Veterinarian Approved! 100% natural and safe for regular deworming & prevention
  • EASY TO ADMINISTER! - Simply place deworming drops on your pet's food. No messy powder or pills!
  • EXCELLENT VALUE - 100 ML/ 3.3 FL OZ bottle contains enough natural dewormer for 2-7 treatments.
  • SOOTHES AND HEALS THE DIGESTIVE TRACT from the damage caused by cat and dog worms.

If you’re not sure what kind of worms your cat is suffering from, their distress seems minor, or you are looking for a preventative solution, we recommend Product 5: Naturepet D Wormer
as the best solution. Naturepet is not only all-natural, but it has been proven to be an effective treatment against all common feline parasites. This is an excellent tool add to your cat's healthcare to ensure total wellness.

Pro-Sense Liquid Dewormer Solutions For Cats, 4-fl. oz.
  • Used for the Treatment and control of roundworms
  • For cats and kittens 6 weeks and older
  • Dosage may be given directly or added to Food
  • Packaging may vary

In the case that your cat is suffering severely from a specific type of known parasite, or a natural solution does not eradicate your cat's worm problem, you may require a medicated solution. Depending on your cat's needs and our review above, we recommend Product 1: Bayer Tapeworm Dewormer as the best tapeworm solution and Product 3: ProSense Dewormer Solutions as the best roundworm solution.