9 Best Cat Dewormer Without Vet Prescription

Deworming cats is an important aspect of feline healthcare as worms can cause serious health issues in cats, including malnutrition, diarrhea, and even death. While it is always best to consult with a veterinarian when it comes to treating worms in cats, there may be situations where a cat owner needs to deworm their cat without a veterinary prescription. In these cases, it is important to carefully research and choose a safe and effective dewormer.

Cat Dewormer Without Vet Prescription

Over the counter dewormers for cats

1. Bayer Tapeworm Dewormer for Cats

This dewormer is specifically designed to eliminate tapeworms, which are a common type of parasite found in cats. It is easy to administer and comes in the form of a chewable tablet.

Pros:

  • Effective at eliminating tapeworms in cats
  • Easy to administer (comes in a tablet form that can be easily hidden in food)
  • Can be purchased without a vet prescription

Cons:

  • Some cats may experience side effects such as vomiting or diarrhea after taking the medication
  • May not be effective against other types of worms (e.g. roundworms, hookworms)
  • Should not be used in cats who are pregnant or nursing

Most cats do not experience any issues after taking Bayer Tapeworm Dewormer. However, some may experience vomiting or diarrhea as a result of the medication. If these side effects persist or your cat experiences any other unusual symptoms after taking the medication, it’s important to contact your veterinarian for further guidance.

Bayer Tapeworm Dewormer should not be used on cats who are pregnant or nursing, as it may harm the developing fetuses or kittens. It should also not be used in cats who are allergic to any of the ingredients in the medication. If you have any concerns about whether this medication is safe for your cat, it’s important to consult with your veterinarian before administering it.

2. PetArmor Worm-Away for Cats

This dewormer is effective against tapeworms, roundworms, and hookworms. It is easy to administer and comes in a liquid form that can be mixed into your cat’s food.

Pros:

  • Easy to administer: PetArmor Worm-Away for Cats comes in a convenient oral suspension form that can be easily administered directly into your cat’s mouth or mixed into their food.
  • Effective: This dewormer is effective at eliminating common intestinal worms such as roundworms and hookworms.
  • Affordable: PetArmor Worm-Away for Cats is a budget-friendly option compared to other dewormers that require a vet prescription.

Cons:

  • May not be as effective against all types of worms: While PetArmor Worm-Away for Cats is effective at eliminating roundworms and hookworms, it may not be as effective against other types of worms such as tapeworms.
  • Possible side effects: Some cats may experience mild side effects such as vomiting or diarrhea after taking this dewormer.
  • Contraindications: PetArmor Worm-Away for Cats is not recommended for cats with a history of hypersensitivity to pyrantel pamoate (the active ingredient in this dewormer). It is also not recommended for use in kittens under 6 weeks of age or pregnant or lactating cats.

3. Pyrantel Pamoate (Nemex®, Strongid® T) for Cats

This dewormer is effective against roundworms, hookworms, and tapeworms. It comes in a liquid form that is easy to mix into your cat’s food.

Pros:

  • Pyrantel Pamoate is effective at eliminating various types of intestinal worms in cats, including roundworms, hookworms, and tapeworms.
  • It is available over the counter and does not require a prescription from a veterinarian.
  • It is relatively inexpensive compared to other deworming options.
  • It has a low risk of side effects and is generally well-tolerated by cats.

Cons:

  • Pyrantel Pamoate does not kill all types of worms, so it may not be effective for certain types of infestations.
  • It may not be as effective at eliminating heavy worm infestations as other deworming medications.
  • It should not be used in pregnant or nursing cats.

Side effects of Pyrantel Pamoate in cats are rare but may include vomiting, diarrhea, or loss of appetite. If your cat experiences any of these symptoms after taking the medication, contact your veterinarian.

Pyrantel Pamoate should not be used in cats with known hypersensitivity to the medication or any of its ingredients.

4. Milbemax for Cats

This dewormer not only targets worms but also helps to prevent heartworm disease in cats. It comes in a chewable tablet form and is suitable for cats of all sizes.

Pros:

  • Effectiveness: Milbemax is highly effective at eliminating common worms in cats such as roundworms, hookworms, and tapeworms. It also prevents re-infestation.
  • Convenience: Milbemax is a single-dose treatment, which means you don’t have to worry about administering multiple doses over a period of time.
  • Safety: Milbemax has a low toxicity level and is generally well-tolerated by cats. It is also safe for use in pregnant or lactating cats.

Cons:

  • Possible side effects: Some cats may experience vomiting, diarrhea, or loss of appetite after taking Milbemax. These side effects are generally mild and resolve on their own.
  • Contraindications: Milbemax should not be used in cats with a known hypersensitivity to the active ingredient or any of the excipients. It should also not be used in cats less than 6 weeks of age.

5. REVOLUTION® (Selamectin) for Cats

This dewormer not only targets worms, but also helps to prevent fleas, heartworms, and other parasites. It is easy to apply and comes in a liquid form that is applied topically to your cat’s skin.

Pros:

  • REVOLUTION® is a topical treatment that is easy to administer to your cat. It comes in a single dose tube that you can apply to your cat’s skin between their shoulder blades.
  • REVOLUTION® is effective against a wide range of worms, including roundworms, hookworms, and whipworms. It can also kill fleas and prevent heartworm disease.
  • REVOLUTION® has a relatively low risk of side effects. Some cats may experience temporary irritation at the application site, but this usually goes away within a few days.
  • REVOLUTION® is available without a prescription, making it an accessible option for many cat owners.

Cons:

  • REVOLUTION® is more expensive than some other dewormers on the market. It may not be the most cost-effective option for some cat owners.
  • REVOLUTION® should not be used on pregnant or nursing cats. It is also not recommended for use in cats under 8 weeks of age.
  • REVOLUTION® is not effective against tapeworms. If your cat has tapeworms, you will need to use a different dewormer.

Side effects of REVOLUTION® are generally rare and mild. However, some cats may experience:

  • Temporary irritation at the application site
  • Loss of appetite
  • Vomiting
  • Diarrhea

If you notice any of these side effects after administering REVOLUTION®, you should contact your veterinarian.

There are some contraindications to using REVOLUTION®. It should not be used on:

  • Cats with a known sensitivity to selamectin
  • Pregnant or nursing cats
  • Cats under 8 weeks of age

6. Profender for Cats

This dewormer is effective against tapeworms, roundworms, and hookworms. It is easy to apply and comes in a liquid form that is applied topically to your cat’s skin.

Pros:

  • Profender® is a highly effective dewormer for cats that can kill a variety of intestinal worms, including tapeworms, roundworms, and hookworms.
  • It is also easy to administer, as it comes in the form of a topical solution that can be applied to the back of the neck.

Cons:

  • Some cats may experience side effects such as vomiting or loss of appetite after taking Profender®, although these are generally mild and temporary.
  • Additionally, the product is not safe for use in kittens under 8 weeks old or in pregnant or lactating cats.

Side effects:

  • In addition to vomiting and loss of appetite, some cats may experience lethargy, diarrhea, or changes in behavior after taking Profender®. These side effects are usually mild and resolve within a few days.
  • If you notice any serious side effects or your cat’s condition worsens after taking the dewormer, contact your veterinarian immediately.

Contraindications:

  • Profender® is not recommended for use in kittens under 8 weeks old, as their immune systems are not fully developed and they may be more susceptible to side effects.
  • It is also not recommended for use in pregnant or lactating cats, as it has not been tested in these populations.
  • If you are unsure whether Profender® is safe for your cat, consult with your veterinarian before administering the dewormer.

7. Verm-X for Cats

Pros:

  • Verm-X for Cats is a natural, herbal dewormer that is safe for cats of all ages. It contains a blend of herbs that help to cleanse the intestinal tract and remove worms, without the use of harsh chemicals.
  • It is easy to administer, as it comes in a tasty, chicken-flavored paste that can be mixed into your cat’s food. This makes it a good option for cats that are picky eaters or resistant to taking medication.
  • Verm-X is also effective at preventing worms from returning, as it contains ingredients that help to create an inhospitable environment for worms to thrive in.
  • It is a convenient option for those who want to deworm their cat without having to visit the vet or pay for a prescription.

Cons:

  • Some cat owners have reported that Verm-X has a strong smell and taste, which may not be appealing to all cats.
  • It may not be as effective as prescription dewormers at removing heavy infestations of worms. If your cat has a severe worm infection, it may be necessary to consult with a veterinarian and use a prescription medication.

Side effects:

  • Verm-X is generally well-tolerated by cats and is not known to cause any serious side effects. However, some cats may experience mild digestive upset after taking the medication, such as diarrhea or vomiting. These side effects should resolve on their own within a few days.

Contraindications:

  • Verm-X is safe for most cats, but there are some contraindications to consider. It should not be used in cats who are pregnant or nursing, as it may affect the developing fetuses or kittens. It should also not be used in cats who are allergic to any of the ingredients in the product. If you are unsure if Verm-X is safe for your cat, it is always best to consult with a veterinarian.

8. Verm-X All Natural Cat Treat Supplement, Original Crunchies for Cats

This natural dewormer is made from herbs and is effective against roundworms, hookworms, and tapeworms. It comes in a crunchies form that can be mixed into your cat’s food or given as a treat.

Pros:

  • No prescription required: This dewormer can be easily purchased online or at a pet store without the need for a vet prescription. This can be convenient for those who don’t have a regular veterinarian or if you need to deworm your cat on short notice.
  • Natural ingredients: Verm-X Original Crunchies for Cats contain a blend of natural herbs and plant extracts that work to remove intestinal worms. This may be appealing to those who prefer using natural remedies for their pets.
  • Easy to administer: These dewormer crunchies are designed to be fed to cats as a treat, making them easy to administer to even the pickiest of eaters.
  • Safe for kittens: Verm-X Original Crunchies for Cats can be safely given to kittens over the age of three weeks, making them a suitable option for young cats.

Cons:

  • Limited effectiveness: Some users have reported that Verm-X Original Crunchies for Cats are not as effective at removing worms as traditional dewormers. This may require multiple doses or the use of a different dewormer.
  • Possible side effects: While rare, some cats may experience gastrointestinal issues such as diarrhea or vomiting when taking Verm-X Original Crunchies for Cats.
  • Contraindications: Verm-X Original Crunchies for Cats should not be given to pregnant or lactating cats. They should also be avoided if your cat has a history of allergic reactions to any of the ingredients in the product.

9. Drontal Broad Spectrum Dewormer

Pros:

  • Effective at treating and preventing a wide range of common intestinal worms, including roundworms, hookworms, and tapeworms
  • Can be administered orally or mixed with food
  • Safe for use in cats of all ages, including nursing mothers and pregnant cats

Cons:

  • May cause side effects such as vomiting or diarrhea in some cats
  • Some cats may be resistant to the medication or develop a tolerance to it
  • It may not be as effective against more rare or exotic worms

Side Effects:

  • As with any medication, there is a risk of side effects with Drontal. These may include vomiting, diarrhea, appetite loss, or lethargy. If your cat experiences any of these symptoms after taking Drontal, contact your veterinarian immediately.

Contraindications:

  • Drontal is not recommended for use in cats with a known allergy to the medication or its ingredients. It should also not be used in cats with liver or kidney disease, as it may worsen their condition. Always consult your veterinarian before administering any medication to your cat.

How do you get rid of worms in cats without going to the vet?

If you suspect your cat may have worms, it’s important to address the issue as soon as possible to prevent further health problems. However, going to the vet can be costly and time-consuming, so you may be wondering if there are any options for deworming your cat without a prescription.

Fortunately, there are several over-the-counter (OTC) dewormers available that can be purchased at a pet store or online without a vet prescription. These dewormers typically contain pyrantel pamoate or praziquantel, which are effective at eliminating common types of worms such as roundworms and tapeworms.

One popular OTC dewormer is Bayer Tapeworm Dewormer, which comes in tablet form and is administered orally. It’s easy to use and can be given directly to your cat or mixed in with their food. Another option is Drontal, which also comes in tablet form and targets both roundworms and tapeworms.

It’s important to follow the dosage instructions on the packaging and to give the dewormer the recommended number of times to ensure that all the worms are eliminated. Follow up with a second treatment a few weeks later to ensure that any remaining worms are eliminated.

In addition to using a dewormer, it’s important to practice good hygiene to prevent worms from returning. This includes regularly cleaning your cat’s litter box, washing their bedding, and disposing of their feces properly. You should also consider treating any other pets in the household to prevent re-infection.

While going to the vet is always the best option when it comes to your cat’s health, OTC dewormers can be a convenient and effective solution for eliminating worms without a prescription. Just be sure to follow the dosage instructions and take steps to prevent future infections.

Do cats poop out worms after being dewormed?

The process of deworming involves the medication being absorbed into the bloodstream and traveling to the intestines, where it targets and kills the worms. The dead worms will then be expelled from the body through the feces, but this process can take a few days to a week after the initial deworming treatment.

Deworming medications are not a one-time solution. Cats may need multiple rounds of treatment to fully rid their body of worms, and it is important to follow the recommended treatment plan provided by a veterinarian.

In addition to deworming medication, it is also important to practice good hygiene and preventative measures to avoid re-infestation. This includes regularly cleaning litter boxes, keeping food and water bowls clean, and not allowing cats to roam or hunt outside.

How long after deworming a cat are the worms gone?

The length of time it takes for worms to be eliminated from a cat’s system after deworming will depend on several factors, including the type of worm being treated and the specific medication being used.

In general, most deworming medications are effective at eliminating worms within a few days to a week after treatment. However, it is important to follow the recommended treatment schedule provided by your veterinarian, as some worms may require multiple doses or a longer treatment course.

Deworming medications do not always kill all the worms in a single dose. Some worms, such as tapeworms, may require multiple doses to be completely eliminated. Additionally, eggs and larvae may still be present in the environment and may infect the cat again if proper precautions are not taken to prevent re-exposure.

It is crucial to follow the treatment plan prescribed by your veterinarian and to practice proper hygiene and sanitation to prevent re-infection. This includes regularly cleaning litter boxes, feeding bowls, and bedding, as well as properly disposing of feces.

Why does my cat still have worms after being dewormed?

It is not uncommon for cats to still have worms even after being dewormed. This can happen for a few different reasons.

One reason could be that the deworming medication was not effective at eliminating all of the worms. This could be due to the worms being resistant to the medication, or it could be that the dosage of the medication was not strong enough to fully eliminate the worms.

Another reason could be that the cat was re-infected with worms after being dewormed. This can happen if the cat is exposed to contaminated food or water, or if they come into contact with infected feces.

It is also possible that the cat was not fully dewormed in the first place. Some worms, such as tapeworms, release their eggs in segments that can break off and pass through the intestines. These eggs can then hatch and mature into adult worms, leading to a re-infestation.

If you suspect that your cat still has worms after being dewormed, it is important to consult with your veterinarian. They will be able to properly diagnose the issue and prescribe a more effective treatment plan. It is also important to maintain proper hygiene and cleanliness in your home to prevent re-infestation.

Best cat dewormer for all worms

One highly effective option is Drontal Plus. This dewormer targets all types of worms, including roundworms, hookworms, and tapeworms. It’s easy to administer, with tablets available in various sizes to accommodate different weight ranges. It’s also safe for use in both cats and kittens over the age of 6 weeks.

Another top choice is Profender, a topical dewormer that is applied directly to the skin. It’s effective against all types of worms and is suitable for cats of all ages. It’s a convenient option for those who may have difficulty administering tablets to their cats.

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Hannah Elizabeth is an English animal behavior author, having written for several online publications. With a degree in Animal Behaviour and over a decade of practical animal husbandry experience, Hannah's articles cover everything from pet care to wildlife conservation. When she isn't creating content for blog posts, Hannah enjoys long walks with her Rottweiler cross Senna, reading fantasy novels and breeding aquarium shrimp.

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