10 Best Cat Dewormer Treatments

Does your cat have roundworms, tapeworms, or other parasites?


Cats need to be dewormed just like babies, but unlike babies, getting your cat dewormed is the difference between life and death for them.

So what can you do?

Invest in the best treatments possible.

In this article, I give you the 10 best cat dewormer treatments that will solve your problem instantly and efficiently. After all, your little kitty deserves the absolute best, right?

Best Cat Dewormer Treatments

ProductTablet or LiquidTypes of worms it combatsActive Ingredients
Bayer Drontal Broad Spectrum Dewormer TabletAll typesPraziquantel, Pyrantel Pamoate
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Pro-Sense Liquid Dewormer Solutions For Cats LiquidRoundwormsPiperazine
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HomeoPet WRM Clear Cat Dewormer LiquidTapeworms, HookwormsGranatum, Thymol
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NaturPet D Wormer LiquidTapeworms, Roundworms, Hookworms, Whipworms, Giardia LambliaBlack Seed, Black Walnut, Sage Leaf, Papaya Seed
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Excel Roundworm Liquid Cat De-Wormer LiquidRoundwormsPiperazine
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Now let’s dive in, shall we?

1. Bayer Drontal Broad Spectrum Dewormer


 Key Facts
  • Contains praziquantel and pyrantel pamoate, which paralyse worms
  • Broad spectrum
  • Scored so dosage can be monitored
  • Safe for kittens

Bayer Drontal Broad Spectrum Dewormer is the first and most preferred on the list of cat dewormers and for good reason. It can be used to treat any and all kinds of worms and will prove to be especially useful if the exact nature of the worms that a cat is carrying is not known. This helps those working in animal rescue shelters since most stray cats that are caught do have worms and figuring out exactly what type of worm they are carrying would be a waste of time and resources. Instead, a one-size-fits-all type of a dewormer would be more useful in dealing with the problem promptly and without delay.

This dewormer comes in tablet form, and the tablets are scored. This means that they can easily be split or broken down so that dosages can be given according to the vet’s prescription. This also makes it easier to mix the medication in cat food or water because it can be broken down into tinier pieces. However, one must be careful when splitting a tablet because if the size of the split tablet is not right i.e. if it is too big or too small, it could lead to complications with the cat.

This dewormer is also extremely safe for kittens that are over 1 month old and weigh at least 1.5 pounds. This means that it can help solve worm issues in kittens who are at risk of severe problems, which may result in death if the worms are not treated, since kittens are especially susceptible to parasites.

Moreover, Bayer Drontal Broad Spectrum Dewormer contains praziquantel and pyrantel pamoate, two chemicals which work to paralyse the parasites as they go through the cat’s natural elimination cycle. However, the tablets only target adult worms so the former would have to be taken repeatedly per the vet’s instructions until the body is free of worms. It must be noted that all forms of administration must be done under the vet’s guidance.

 Things I really like
  • The dewormer can kill hookworms, tapeworms and roundworms
  • It is safe to use for small kittens
  • The tablets can be split and medication can be administered easily according to prescription
 Things I don’t like
  • The dewormer only kills adult worms and does not affect worm eggs in the cat’s body

2. Pro-Sense Liquid Dewormer Solutions For Cats


 Key Facts
  • Effective against T canis and T leonina roundworms
  • Contains Piperazine, which paralyses roundworms
  • Easy to administer
  • Safe for kittens

The Pro-Sense Liquid Dewormer Solutions For Cats is perfect for treating roundworms in the body of a cat. It specifically targets T canis and T leonina roundworms, which are particularly dangerous if left untreated for long. This dewormer also helps to control the production and spread of worms after they have been treated the first time, so it is preferable for people whose cats have a recurring problem of worms.

This dewormer also contains the active ingredient Piperazine, which works to paralyse the T canis and T leonina roundworms in the cat’s gut, so that they no longer remain attached to the gut, and are expelled from the cat’s body through its faeces. Once this happens, your cat will gain weight and be able to digest the food it eats without it being intercepted by the worms in its body.

What’s great about this dewormer is that it comes in the form of liquid drops i.e. a solution, which makes it extremely easy to give to your cat. This is because the drops can very conveniently be administered through the cat’s food or water, and it is equally easy to give them to the cat directly, especially if you own a relatively docile little furry companion.

Moreover, this dewormer is safe for kittens above 6 weeks of age. This, coupled with the fact that the dewormer is a solution and not a tablet, makes it a great choice for your cat. Particularly, if you have a cat or a kitten who is very feisty or excited all the time, this dewormer would be extremely good for you because it is not a tablet, and thus, the risk of your cat throwing up the tablet or not taking it in is very less. Needless to say, the liquid drops should only be administered with a vet’s prescription.

 Things I really like
  • This dewormer is very easy to administer because it is in the form of a solution
  • It is safe for kittens
 Things I don’t like
  • It only treats roundworms so effectiveness is restricted

3. HomeoPet WRM Clear Cat Dewormer


 Key Facts
  • It is a liquid homeopathic formula
  • Contains up to 90 doses in one bottle
  • Safe for lactating and pregnant cats
  • Easy to administer
  • Not a sedative

The HomeoPet WRM Clear Cat Dewormer is perfect for those who want to get rid of worms in cats without actually killing them. Because it is a homeopathic formula, the dewormer does not kill the worms inside the cat’s body, however, it does expel them in about 2 weeks. You will know that the worms have been expelled from the body when you see them in your cat’s stool. Moreover, the effects of this dewormer last for roughly 2 months, which makes it a very long lasting and efficient cat dewormer. This also means that you will not have to worry about worms coming back to attack your cat and make its life hell any time soon after you give it this medication.

Although this dewormer is slightly more expensive than other dewormers in the market, it contains about 90 doses in one bottle, which means that you will not run out of it very quickly. Plus, because this dewormer has long lasting effects, you will need to use it less often than other dewormers anyway.

What makes this dewormer so unique is that lactating and pregnant cats can use it as well. This is because it has a homeopathic formula and has no harmful side effects that may cause trouble for such cats. It is very crucial that pregnant cats especially get rid of worms as soon as possible, as they may affect the health of their children as well. So for such cats, this dewormer is perfectly acceptable.

The liquid formula of this dewormer makes it very easy to administer. This is especially helpful with cats that do not take medication easily. Moreover, pregnant and lactating cats can be particularly difficult so a liquid formula is best suited for them since it can easily be incorporated into food and water.

Lastly, this dewormer is a non-sedative, which means that the common side effect of these kinds of medications i.e. drowsiness, will not occur in this case. So your cat can go on to live its life without feeling bothered by the medicine. However, be sure to take a vet’s advice before administering the dewormer to avoid complications.

 Things I really like
  • The dewormer will not make a cat drowsy or tired
  • It is okay to use for pregnant and lactating cats
  • It has a long lasting effect
 Things I don’t like
  • It is slightly more costly than the average dewormer

4. NaturPet D Wormer


 Key Facts
  • Designed to deal with tapeworms, roundworms, hookworms, whipworms, and Giardia Lamblia
  • Contains all-natural products including black seed, black walnut, sage leaf, and papaya seed
  • Easy to administer
  • Manufactured in a GMP-certified factory in Canada

The NaturPet D Wormer is equipped to get rid of a number of different kind of worms in a cat’s body, including tapeworms, roundworms, hookworms, whipworms, and Giardia Lamblia, which is a parasitic microorganism that finds its home in the intestines. What’s most unique about this dewormer is that it not only gets rid of the worms from the body, but it also aids in the healing and soothing of the digestive tract after the worms have been removed. This is very helpful because it ensures quicker relief for your cat and thus, fewer unwanted complications.

Moreover, the products inside the dewormer are completely natural and include ingredients like black seed, sage leaf, papaya seed, and more. This means that you can be assured that the side effects of the dewormer will be limited, if any, and your cat will not have to go through any pain after the worms are gone.

The dewormer is in the form of a liquid, which makes it easier for you to give it to your cat, even if it is slightly (or very) resistant to it. It can easily be put into food or water, and if your cat is docile enough, you can very conveniently administer the medicine without disguising it.

Lastly, it must be noted that the NaturPet D Wormer is made in Canada, in a facility that is certified for having good manufacturing practises, so its quality can be judged in this manner. It must be pointed out though, that the medicine should not be taken without a vet’s prescription.

 Things I really like
  • This dewormer quickens the healing and soothing process the digestive tract
  • It is all-natural, so side effects are limited
  • It is in liquid form so it is easy to administer
 Things I don’t like
  • Its effectiveness has been reported to not extend to all types of cats

5. Excel Roundworm Liquid Cat De-Wormer


 Key Facts
  • Very effective against large roundworms
  • Comes in a 4 fl oz bottle
  • Tastes great for cats
  • Easy to administer

The Excel Roundworm Liquid Cat De-Wormer is perhaps the best option out there when it comes to dealing with large roundworms. These nasty creatures can wreak immediate havoc on your cat’s digestive tract if not dealt with as promptly as possible. This is why it is so crucial to get rid of them at the earliest opportunity. This dewormer helps you do just that.

Furthermore, one bottle of this dewormer contains 4 fluid ounces of liquid, which is enough for more than a one-time use. The liquid also makes it very easy to administer, either directly or mixed with cat food or water. The fact that this dewormer comes in liquid form also ensures that your cat ingests the medicine easily and without any unwanted consequences such as vomiting.

And if you have little kids in your house who like to sniff around medicine cabinets, worry not. The Excel Roundworm Liquid Cat De-Wormer comes with a childproof cap so it is impossible for children to get anywhere near it. This means that you can safely use this on your cat without worrying about it being a hazard to other members of the household.

Lastly, and perhaps most importantly, this dewormer has a very appealing taste. This means that not only will it be considerably easier for you to administer the medicine, your furry pet might even get super excited whenever it sees the bottle. Win-win for everyone. Like all other medicines, this dewormer should not be used without a vet’s prescription.

 Things I really like
  • This dewormer has a good taste that cats will like
  • It has a child-proof cap so risk of hazard is reduced
 Things I don’t like
  • It does not work for smaller roundworms or other worms in general

6. Vet Recommended Ringworm Treatment For Cats


 Key Facts
  • Kills all ringworms immediately on contact
  • Easy to mix solution
  • Safe for kittens
  • Non-toxic formulation

The Vet Recommended Ringworm Treatment For Cats is a unique dewormer because it comes in the form of a concentrate that can be mixed with water in a spray bottle and then applied onto a cat’s skin using a cloth that is soaked in the solution. The idea is to ensure that the solution reaches every inch of the cat’s fur and skin. You can even spray the solution directly on a cat’s body but only if it is relatively docile and if you’re sure it won’t leap out of its seat or growl at you for doing so.

The great thing about this dewormer is that it kills all ringworms immediately on contact. This is because the mixture generates a very low pH of roughly 1 on the pH scale, which is extremely safe 0n the skin of the cat, however, this pH kills the ringworms immediately.

This dewormer is also very mild and not harsh at all so it is safe for use on kittens above 6 weeks of age. Moreover, it can be applied on cat beds and other areas where cats spend a lot of their time and where ringworms could spread.

Furthermore, the solution is completely non-toxic and all natural. In addition, the ingredients are environmentally friendly, biodegradable and water-soluble. This makes this dewormer perfect for all kinds of cats and you can use it without the fear of contaminating other parts of the house with the solution.

Make sure you let your cat air-dry after application. Studies conducted by the product’s company confirmed that this dewormer successfully eradicated all ringworms 99.99% of the time. This essentially means that you save a fortune on vet bills and frequent vet visits, and get desirable results at the same time.

 Things I really like
  • This dewormer is effective 99.99% of the time
  • It is an all natural concentrate so side effects are reduced
  • Value for money
 Things I don’t like
  • It might be a little difficult to apply the concentrate properly
  • Effectiveness is restricted to ringworms only

7. Hartz UltraGuard Rid Worm Liquid For Cats


 Key Facts
  • Works on roundworms present in a cat’s body
  • One bottle contains 4 ounces of dewormer syrup
  • Easy to administer
  • Can be used on kittens of 8 weeks or older

The Hartz UltraGuard Rid Worm Liquid For Cats works to removes all roundworms (Toxocara Canis and Toxacaris Leonia) from a cat’s body when administered. However, the first treatment must be repeated 14 days later to ensure that no worms are left behind and able to reproduce in the body. This means that this particular treatment is fool proof and chances of a positive result are increased greatly.

One bottle of this dewormer contains 4 ounces of dewormer syrup, which can be administered directly or be mixed with cat food or water. The pointed tip of the bottle ensures that the syrup is given to the cat in an easy and straightforward manner without complications or resistance from the cat. For more active cats, it is recommended that the syrup be mixed with food.

This dewormer can be used on kittens who are 8 weeks or older, making it a safe and effective instrument for quick removal of worms from all kinds of cats. Like all other dewormers, this one must be stored in a cool, dry place. Also consult your vet before using the dewormer on your cat to avoid any complications.

 Things I really like
  • Continuous treatment ensures that all worms are removed from the body
  • A user friendly bottle that can be easily used on cats
 Things I don’t like
  • Only works on roundworms and not all worms

8. Durvet WormEze Liquid Canine and Feline Antihelmintic


 Key Facts
  • Works on large roundworms present in a cat’s body
  • Easy to administer
  • Safe for kittens over 6 weeks
  • Extremely palatable
  • One bottle contains 8 fl oz of liquid

Roundworms are the most commonly occurring worms in the bodies of cats and dogs. This is why whenever you notice worms in your cat’s stool, chances are that they are roundworms. The Durvet WormEze Liquid Canine and Feline Antihelmintic ensures that these roundworms are removed from a cat’s body as soon as possible. They target the Toxocara canis, Toxocara cati, and Toxascaris leonina strain of roundworms, which are the most common.

Because the dewormer is in a liquid form, it is very easy to administer either directly, or through food and water. Moreover, it is safe for kittens over 6 weeks of age and because kittens generally tend to be more energetic, it is convenient that the dewormer is in liquid form and can be administered in a safe and easy way. Perhaps most importantly (for the cats anyway), the dewormer has a great taste so it is very unlikely that your cat will be running away from it.

One bottle of the Durvet WormEze Liquid Canine and Feline Antihelmintic contains 8 fluid ounces of liquid. It is not advised to use the dewormer without a prescription.

 Things I really like
  • This dewormer has a pleasant taste that cats will enjoy
 Things I don’t like
  • Only works on roundworms

9. Bayer Tapeworm Dewormer


 Key Facts
  • Works on tapeworms in the cat’s body
  • Contains 23 mg of Praziquantel per tablet
  • Easy to administer
  • Available without prescription

The Bayer Tapeworm Dewormer is one of the best treatments for tapeworms in animals. It deals specifically with tapeworms of the D caninum and T taeniaeformis variety and is able to remove them almost immediately from the body.

This dewormer contains 23 milligrams of Praziquantel in one tablet, making it extremely effective at paralysing and killing tapeworms. The tablets are also available without a prescription, which means that in cases of emergency or when a doctor is not nearby, the tablets can be used for immediate relief.

Moreover, this dewormer is very easy to administer even though it is only in tablet form. This is due to its easy to crush quality, which makes it possible for it to incorporated into food and water without any complications. So you can be assured that your little furry friend will be able to ingest these tablets without feeling the need to throw them back out.

Finally, the Bayer Tapeworm Dewormer is known for being manufactured by one of the world’s leading experts in veterinary and animal health so any doubts about its quality or effectiveness can be put to rest. So if your cat is infected with tapeworms, it is safe to assume that this dewormer is the best option available for miles.

 Things I really like
  • The tablets are easily crushable so can be mixed with food and water
  • It is manufactured by one of the world’s leading experts in veterinary health
 Things I don’t like
  • It’s effectiveness is only limited to tapeworms

10. Alternative Animal Worm Free Naturally Natural Cat Wormer


 Key Facts
  • Completely natural/chemical free
  • 15 trace minerals
  • Contains a digestive aid

The Alternative Animal Worm Free Naturally Natural Cat Wormer is a one of a kind dewormer that is completely natural and chemical free. It eliminates any and all parasites present in the body of an animal without using any chemicals. Instead, it works mechanically to microscopically remove the outer surface of the worms, resulting in a loss of body fluid and subsequent dehydration, which eventually kills the parasite and gives your pet the opportunity to live a healthy life.

Moreover, what’s unique about this dewormer is that since it does not make use of any chemicals, it becomes impossible for parasites to build immunity to it over time and rendering it useless. Rather, this dewormer can be used for a really long time without having to switch. Another great advantage of not changing dewormers frequently is that it saves up on overall costs. No more constant visits to the vet to get prescriptions and treatments for your cat’s problem. Each time you invest in a new dewormer, there are a new set of precautions you have to take, not to mention getting your cat used to something new is always a hassle. This dewormer is a respite from all of that.

There are other reasons why I believe this dewormer is a good pick. It contains 15 trace minerals, which are completely safe for animals that could potentially boost your pet’s health in addition to ridding its body of parasites. Also, this dewormer contains vitamin A and is good for digestion.

However, it must be noted that this dewormer constitutes a slow and on going treatment plan, which many may find a little too tedious. If you’re looking for a quicker treatment, choose another dewormer from this list.

 Things I really like
  •  This dewormer not cause parasites to build an immunity to it over time
  •  Value for money
 Things I don’t like
  • It involves a slow and ongoing treatment

So, now that you know everything there is to know about cat dewormers, it is time to talk about some important things related to worms in cats and deworming in general. There are a number of important questions that you need to ask when figuring out whether or not your cat has worms, just like the questions you must ask when choosing the right dewormer for your cat.

How To Tell If Your Cat Has Worms

The best and most obvious way to figure out if your cat has worms is to inspect the feces in its litter box. More often than not, when you are cleaning out your cat’s litter box, you will notice worms in its stool if the cat is infected. This will tell you everything you need to know. The next logical step would be to take the cat to the vet to figure out what kind of worm infestation your cat has, and what medicine can be prescribed for it. The advantage of doing your research beforehand on this issue is that this whole process becomes a lot easier and less costly.

Another means of figuring out if your cat has worms is by observing your cat’s eating patterns, general behavior, movements, and physique. If your cat is eating less e.g. if you find unfinished food in your cat’s bowl after its apparently done eating, it probably means that your cat has worms because such an infestation can cause your cat to lose its appetite.

Similarly, if your cat seems more lethargic than usual and if it is meowing at you constantly without an obvious cause, it means that something is upsetting it. Now this does not always mean that the culprit is worms in the cat’s body, however, it is very much one of the possibilities. The ideal thing to do would be to get it checked out at the vet’s clinic to see where the problem really lies.

Moreover, if your cat seems thinner than usual yet seems to have a larger belly, chances are, it is infected. However, in all cases, it is important that you consult with your vet before taking any measures to solve the problem.

Choosing The Right Dewormer For Your Cat

So, once the problem is identified and diagnosed, how do you decide which dewormer to choose for your cat? Well firstly and most importantly, know what kind of worm has infected your cat. This will help you narrow down your options. Other than that, your cat’s age is also extremely important. An older cat can be given tablets but for a younger cat, a solution of some kind would be more acceptable to avoid complications.

For many, the cost of the dewormer is also a concern. So make sure that you look up the prices of all the dewormers you shortlist and make your decision accordingly. However, the cost should by no means be the only thing you consider. When it comes to your pet, always choose quality over quantity. So, consult with your veterinarian and see what your cat needs. For instance, a younger cat might do better with a solution than with tablets. These and other considerations will help you decide the right dewormer for your cat. So choose wisely!

Related Questions

What is the best worm medicine for cats?

To decide which worm medication is best for your cat, go through the list above and study the various features given for each one. Needless to say, it is imperative that you first establish what kind of worm your cat is infested with. Once you do that, you will be able to narrow down your choices and based on other factors such as cost, type and taste, you will be able to decide which dewormer to choose for your cat. Essentially, there’s no one medicine that is best for all cats, rather the conditions surrounding each individual worming case will determine which medicine will be the best.

Can I give my cat human dewormer?

No, do not give your cat human dewormer mainly because it just won’t work. The kinds of worms that are found in humans are nothing like those found in cats. This is also why it is close to impossible for cats to pass worms to their owners. Moreover, the taste, consistency, and shape of human dewormers are not compatible with a cat’s digestive system. If you ever accidentally give your cat human dewormer, it will likely cause a lot of problems for your furry friend and only make things worse for it.

How long does it take for cat dewormer to work?

This depends entirely on the type of dewormer you use. Some work insistently or in a week, others work over a period of a couple of months. Normally, the big worms are killed in a few hours after the medicine is administered. After about 24 hours, the worms are completely out of the cat’s system.

However, the eggs of the worms are not dealt with in this round. The dewormer needs to be re-administered after a period of about 2 weeks after the eggs have hatched and before they have a chance to reproduce. Within 24 hours of this second round, your cat will typically be worm-free. However, individual cases may be different, so be sure to consult your vet and keep them in the loop about your kitty’s progress.

Can I deworm my cat myself?

When you find out that your cat has worms, it is a good idea to schedule a visit to the vet so that they can confirm your suspicions, identify the type of worm, and help you decide which dewormer to use. Once you have these answers, you can go home and administer the medicine that is needed yourself. However, if you have a cat that is not cooperative or if you don’t have any experience with giving your cat medication, it is recommended that you let your vet hold the reins in the treatment.

However, once you get the hang of giving medication to your cat, it is perfectly fine if you administer it to your cat yourself. Just make sure you know what you’re doing so that you don’t accidentally cause your furry friend any discomfort.

How did my indoor cat get worms?

Even though with indoor cats, the risk of worm infestation is much, much smaller as compared to outdoor cats, it is still present. Common houseflies, mice, and other pests all carry worm eggs in most cases, and if your cat were to come into contact with them or accidentally ingest them, it will get infected. Similarly, if you have more than one pet in the house, the risk of infestation will increase considerably. Moreover, if your cat is fed raw or undercooked meat, it might get worms, even if you feel like you’ve cleaned it well before giving it to your cat.

These scenarios make it possible for your cat to get infected and if not treated promptly, the issue might worsen. So make sure to be vigilant of your cat’s behaviour and activities to keep the risk to a minimum. Regardless, it is recommended that you periodically deworm your cat per the vet’s instructions.

Can humans catch worms from cats?

No, simply because the kinds of worms that attack and can thrive in the digestive tract of a cat cannot do the same in that of a human. This is due to a number of factors including varying temperatures. Therefore, if your cat is infested with worms, you do not need to worry for yourself because you’re safe (you will have to worry for your cat though!).

How do you know what kind of worms your cat has?

Normally, worms that look like tiny grains of rice are tapeworms. Roundworms, on the other hand, are a few inches long and are white or light brown. Similarly, different types of parasites have distinct characteristics that distinguish them from others. To be on the safe side, it is advised that you visit your vet if you suspect worm infestation, and get a clarification from them to avoid any problems.

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