Do you love keeping pets at your home? If so, then chances are that you have chosen cats as one of your favorites. Statistics from some of the reliable and reputable sources show that cats are most kept pets across the world. As a cat owner, therefore, it is your responsibility to ensure that her well-being and general health is taken care of!

Felines, just like any other pet, are never immune to parasites, with worms taking the lead. These tasty critters often infect your pet internally, with most of them living in the gastrointestinal system. There are many types of worms causing nightmares to our lovely cats, but the most prevalent ones are hookworms, heartworms, roundworms, and tapeworms.

Despite the fact that these parasites are just nuisances, severe infestations can have adverse effects on the cat’s health. Some worms like heartworm can be life-threatening as they can infect essential organs in the respiratory and pulmonary system. By and large, these parasites can make your feline quite ill. Therefore, immediate intervention is required to alleviate cat suffering from those horrific worms. There are ways to achieve this objective, but investing in the best cat wormer treatment is the best option.

Without further ado, let us shift gears to the list of the best cat wormer products available in the market in 2021 for your consideration.

Best Cat Wormers – [Reviews & Buyer’s Guide]

10 Best Cat Wormers Reviews:

10. Durvet WormEze Liquid Feline Antihelmintic

Are looking for one of the most effective and inexpensive products to control and remove large roundworms? If so, then the Durvet WormEze Liquid Feline Antihelmintic is the right choice. This highly palatable wormer can be added directly to the cat’s food or water for easy administration. Although the visible symptoms that your cat had roundworms will disappear a few days later, this liquid medication begins acting from the very day it is administered. It is incredibly safe for kittens of six weeks and older.


  • Product dimensions -6 by 2 by 2 inches
  • Shipping weight -6.4 ounces
  • Active ingredient –Piperaine Citrate
  • Inactive ingredients –water, caramel, artificial flavor, sucrose, citric acid, sodium saccharin, and propylparaben

9. Bayer Drontal Broad Spectrum Dewormer

The Drontal Broad Spectrum Dewormer is a non-prescription dewormer for cats formulated by Bayer –a well-trusted brand. It is designed to specifically kill tapeworms, hookworms, and roundworms. Most of its ingredients are anti-parasite and help treat infections caused by blood flukes and liver flukes. This highly effective and high-quality treatment is safe for cats and kittens over one month of age or weighing over 1.5 pounds. Available in tablet form, it can be ingested by directly feeding it to cats or crushing so you can mix with cat food.


  • Active ingredients –pyrantel and praziquantel
  • Product dimensions -2.5 by 1.5 by 1.8 inches
  • Item weight-0.8 ounces

8. Pro-Sense Roundworm Liquid De-Wormer for Cats

Did your Vet confirmed that your cat is suffering from large roundworms? If so, then the best treatment is arguably the Pro-Sense Roundworm Liquid De-Wormer. With excellent taste, your cat will love this medicine. It is extremely effective at controlling and/or treating large roundworms. It is best suited for kittens over six weeks (or older) of age. To get the most from this product, it is required that you repeat administering after 14 days of the initial dose and later after thirty days. This formula is, nonetheless, is easy to use as it comes in a liquid form –you just need to mix it with the cat’s food.


  • Shipping weight -6.4 ounces
  • Active ingredients –Piperazine base
  • Inactive ingredients –Caramel color, artificial flavor, methylparaben, sugar, potassium sorbate, glycerin, and water

7. Excel Roundworm Liquid De-Wormer

The Excel Roundworm Liquid De-Wormer is yet another great product that is effective against tough roundworms in cats. This tasty liquid has been blended with flavors that entice cats to want more and more. However, stick to the label directions of use! This medication is best formulated for cats weighing not less than 2.5 pounds or older than six weeks. Just like any other liquid medication, it is easier for felines to both accept and ingest the Excel Roundworm Liquid De-Wormer. The good news is that there are no side effects so far reported about the use of this treatment.


  • Size -4-ounce
  • Active ingredient –Piperazine base
  • Available form –liquid
  • Product dimensions -1 by 1 by 1 inches
  • Product weight -5.6 ounces

6. Nemex-2 Dewormer Suspension

Large hookworms and roundworms in cats can be tough to deal with. However, with Nemex-2 Dewormer Suspension, you can now eliminate all of them and prevent future infestation. This palatable and convenient suspension is approved for use in pregnant females. This de-wormer is easy to administer –It can be mixed with cat’s food or can be given directly. Its tasty taste ensures that the majority of felines like it.


  • Available form –liquid
  • Main ingredient -pyrantel pamoate
  • Size –2 ounces, pack of 1
  • Product dimensions -2 by 2 by 3.3 inches

5. DEW0RMER for Dogs & Cats by Pawlab Inc

Are you looking for a cost-effective solution for worm infestation problem for your felines? If so, have you tried out the DEW0RMER for Dogs & Cats? Perhaps not, but the truth is that this product is a true definition of complete eradication of all types of worms, including tapeworms, whipworms, roundworms, hookworms, Strongyloides, and trichinella among others in cats and kittens. The good news is that it has been formulated to prevent reinfection for many months to come. Featuring 100 percent natural ingredients, this medication is certified to provide the much-needed efficacy, purity, and safety. This natural de-wormer, which works quickly, can be disguised in the pet’s food or fed directly thanks to its natural, tasty flavor. Ensure to read the label for proper dosage.


  • Ingredients –pumpkin seed, clove bud, chamomile, marshmallow root, wormwood, orange peel, and black walnut
  • Net content -2 ounces, 60 ml

4. HomeoPet WRM Clear

Are looking for one of the best natural liquid de-wormer for your cat? If so, then the HomeoPet WRM Clear is the best choice. This non-toxic and easy-to-dose formula does not directly eradicate worms by killing them; instead, it creates an environment in the cat’s body that worms will no longer find habitable to live in, hence flushing them innocuously from the body. While it can work immediately, it takes up to two weeks for the treatment to reach optimum potential in the body, during which you will be witnessing live worms in the feces. More importantly, the effects of this liquid homeopathic formula remain active in the body of the pet for up to two months after the last dose. The HomeoPet WRM Clear may be used on lactating and pregnant females as well as kittens.


  • Available form –liquid
  • Effective against –roundworms, whipworms, tapeworms, and hookworms
  • Certification –FDA registered

3. Excel Roundworm Cat De-Wormer

The eight-in-one Excel Roundworm De-Wormer has been formulated for effective removal of large roundworms in cats. This easy to feed and tasty liquid medication is easier for the majority of felines to both accept and ingest. With no side effects so far reported, this product features Piperaine base as its main ingredient to kill roundworms in no time. As stated on the label, this dewormer is best suited for cats weighing more than 2.5 pounds or six weeks (or older) of age.


  • Size -4-ounce bottle
  • Available form –liquid
  • Item weight -5.6 ounces
  • Product dimensions -1 by 1 by 1 inches

2. Pro-Sense Liquid Dewormer Solutions For Cats

Are you looking for one of the best dewormer solutions for treating and controlling roundworms in cats? If the answer is yes, then the Pro-Sense Liquid Dewormer Solutions is a perfect choice. This product is intended for use on kittens and cats six weeks of age and older. It is recommended that you serve ¼ teaspoon per 2.4 pounds of body weight for ultimate results. It is required that you repeat administering on the 14th day after the initial dose. To prevent re-infestation, it is required that you administer this medication after every 30 days. Just like any other liquid medication, the dosage for the Pro-Sense Liquid De-wormer may be added to food or given to cats directly.


  • Size -4 ounces bottle
  • Product dimensions -1.8 by 1.8 by 6 inches
  • Active ingredient –Piperazine base
  • Available form -liquid

1. Bayer Tapeworm Dewormer, Best Cat Wormer Ever

If your feline has a history of fleas, then there are high chances that it also suffers from tapeworm attack. The Bayer Tapeworm Dewormer For Cats has been designed specifically to deal with the latter threat. This product is an effective treatment for common tapeworms. While it generally takes about twenty-four hours to rid worms out of your feline’s system, a single pill can take up to three days to eradicate worms based on the level of infestation. With three pills in the pack, these tablets can be crumbled and mixed with food for easy administration or taken directly by mouth. The Bayer Tapeworm Dewormer is suitable for kittens and cats over six weeks of age


  • Available form –tablet/pill
  • Active ingredient –Praziquantel
  • Item weight -0.96 ounces
  • Product dimensions -3.2 by 2 by 2 inches

Buying guide for the Best Cat Wormer:

Worms are just one of the parasites that cause havoc and nightmares to our lovely felines. If the worm infestation is left untreated, it worsens the cat’s health over time and may even lead to death. Unfortunately, many new cat owners cannot tell whether their cats/kittens have these parasites or not because they are not familiar with their signs and symptoms. Well, it is easy though! Watch out for signs such as constant vomiting & diarrhea, change in appetite, sores in the skin, excessive scratching/licking, bloated stomach, and blood in the stool as well as increase/degree in weight, egg-like objects in the feces, and irritation around the anus.

As soon as you notice any of these signs, you know that your cat is serious suffering internal from worm attack. As a responsible pet owner, you will embark on finding the best cat dewormer medications. Choosing the best product is not always a walk in the park, bearing in mind that there are dozens of dewormers out there in the market. It becomes even more confusing if it is your first time buying these products and you have no idea where to start or what to consider. Fortunately, we are here to help you!

Factors to consider when choosing the Best Cat Wormer:

1. Effectiveness
Are the medications you are about to buy for your cat effective? This is the very first question and top factor you must have in mind. Always choose treatments that will ultimately eliminate all the parasites and prevent re-infestation. With the help of your vet, get to know the type of worm(s) your feline has. With that information, you can rightly choose the most effective product.

2. Pet’s age and size
It is common sense that kittens, senior, and adult cats have a different level of tolerance as far as worm infestation is concerned. In other words, particular worms are prevalent at a certain age or size than others. This has necessitated the fact that wormer makers formulated medications tailored for specific cat size or age. Therefore, when choosing the best dewormer, check the label to confirm if it conforms to your cat’s parameters.

3. Side effects
Wormers are intended to make your lovely feline feel better and healthier. However, some medications can turn out to cause more harm than good. We are talking about those treatments that come with adverse side effects. Despite the fact that nearly all dewormers have potential side effects, it should not outweigh the benefits. Therefore, consider accessing the product’s safety by confirming whether the relevant authorities certify it.

4. Cat’s ingesting preference
Most of the deworming treatments available over the counter are designed to be ingested orally by the pet. However, you will find products in the form of gels, tablets, pills, powders, or pastes. It is worth noting that most of the wormer makers try to make these products as tasty as possible for easy ingestion. It is, therefore, important to know your cat’s ingesting preference so you can choose the best form she likes.

It is our sincere hope that you have found one or two products that you think can help your cat get rid of the annoying worms from our list of the best cat wormer. Of course, you will need to consult your vet to prescribe the right and stronger medications for serious infestations and infections.

However, for normal cases, any of the above over-the-counter treatments will be effective. Our list will inherently help you navigate through the dozens of deworming products in the market and guide you in choosing the best for your cat. Always remember to follow the stipulated instructions for use to the later for maximum results.