By MyPetNeedsThat Staff
Last Updated December 5, 2019

Drontal is a brand of prescription anthelminthic that is used primarily in the killing and removal of certain species of intestinal parasites in cats and kittens. These parasites can include tapeworms, roundworms, and hookworms. It is available in tablet formulation and is specifically designed to be given to felines weighing at least 2 pounds and at least 2 months old.

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drontal for cats


Drontal for cats is specifically designed to remove common intestinal worms that infest cats and kittens.

  • Roundworms  

These are one of the most common intestinal parasites found in the feline world. They can grow up to 4 inches long and can take the appearance of spaghetti. Cat roundworms that Drontal for cats is effective against include Toxocara cati and Toxascaris leonina.

  • Hookworms

These intestinal parasites look very much like roundworms except that they are typically shorter by about an inch or so. These organisms have a special affinity to the small intestines where they feed off the blood from the intestinal walls. They can cause severe anemia, particularly in younger kittens. Drontal for cats is effective against Uncinaria stenocephala and Ancylostoma braziliense.

  • Tapeworms

These are called as such because they resemble a tape measure that can grow up to 28 inches long. These segmented worms can cause massive weight loss or even severe vomiting. Some of the most common tapeworms known to infest cats for which Drontal has been proven effective against include Taenia taeniceformis and Dipylidium caninum.

Benefits of Drontal

The benefits of using Drontal for cats are directly related to their main use. Here are some of the more important benefits of giving Drontal to your feline friend.

  • Removes common intestinal parasites from your cat’s gastrointestinal tract.
  • Prevents the complications associated with these parasites such as anemia, vomiting, and severe malnutrition.
  • Promotes healthier digestion for your cat.
  • Safe and proven clinical efficiency.
  • Can be easily administered since it comes in scored tablet form.

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How Drontal Works

The anthelminthic or deworming properties of Drontal are inherently tied to the effectiveness of its ingredients. Drontal for cats contains both Pyrantel and Praziquantel to provide you with a broad-spectrum of deworming activity.

Pyrantel is especially known for killing species of pinworms, hookworms, and the roundworms ascaris, trichostrongylus, and trichinella. What it does is that it serves like the muscle relaxant that is given to you during surgery. Pyrantel is a neuromuscular blocking agent which effectively causes severe contractions or seizures in the target intestinal worms leading to paralysis. Because the worms latch onto the walls of the cat’s intestines, paralysis will cause them to lose their grip and they are then passed out in the stool.

The addition of Praziquantel in the formulation of Drontal for cats effectively broadens the scope of its efficacy. This chemical is typically used in the treatment of certain species of tapeworms and trematodes. Its mechanism of action is quite different from Pyrantel although the result is essentially the same. Paralysis and slow death result because of an increase in cellular permeability to calcium. The other difference is that Praziquantel doesn’t necessarily allow the passage of dead worms in the stool. Instead, the cat’s phagocytes and macrophages break down the dead worms so that all you will see in the cat’s feces are remnants of these dead intestinal parasites.

It is this unique combination of Pyrantel and Praziquantel that gives Drontal for cats its amazing anthelminthic properties.

Potential Side Effects

Drontal for cats is generally safe. However, in rare instances, loss of appetite, diarrhea, increased salivation, and vomiting may occur.

Things You Should Know about Drontal

Drontal is the brand name of an anthelminthic that is approved by the FDA for use on cats weighing at least 2 pounds or that are aged at least 2 months for the removal of roundworms, tapeworms, and hookworms. It comes in a scored tablet form and is generally safe.

What You Should Tell Your Vet before He Prescribes Drontal

Since the anthelminthic has not been studied on pregnant felines, it is best to inform your vet if your pet is currently pregnant. It is also important to disclose any concurrent medications that contain piperazine as this may adversely affect the outcome of the treatment.

How to Give Drontal to Your Cat

Each scored tablet of Drontal contains 72.6 mg of pyrantel pamoate and 18.2 mg of praziquantel. It is only administered once. However, because Drontal only removes the intestinal parasites that are currently inside your pet, this means the possibility of reinfestation is high. Nevertheless, the following dosage should be adhered to.

  • For kittens weighing 2 to 3 pounds – ½ tablet
  • For cats weighing 4 to 8 pounds – 1 tablet
  • For cats weighing 9 to 12 pounds – 1.5 tablets
  • For cats weighing 13 to 16 pounds – 2 tablets
  • The current treatment recommendations are as follows:
  • For kittens – once every 2 weeks until 12 weeks of age; shift to once a month until reaching 6 months old; then once every 3 months
  • For adult cats – once every 3 months
  • For lactating cats – concurrent treatment with kittens

Drontal for cats come in scored tablets so it should be fairly easy to cut a tablet in half. It can be given directly into your pet’s mouth. Alternatively, the tablet can be crushed or pulverized and then mixed with cat food. However, the amount of food should be just enough to mask the pulverized or crushed tablet.

If you are having difficulty administering Drontal for cats to your pet, you may need to talk with your vet so he may administer an injectable form of Drontal.

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What to Do If You Miss a Dose

If you miss a scheduled treatment, give it at once. But if it’s near the following treatment schedule, don’t bother. Also, don’t double the next treatment.

What to Do in Case of Drontal Overdose

Overdosing is unheard of in Drontal. But in case you notice something ‘off’ with your pet after giving Drontal, then it’s worth calling your vet.

drontal medication for cats

Some Drug Interactions

Drontal is safe. However, it is still best to talk with your vet if your cat is on any medication or supplement.

Drontal for cats is an effective and duly FDA-approved dewormer for cats. It is safe and very easy to administer. Unfortunately, it doesn’t confer any immunity and as such the treatments should be repeated at least every 3 months for adult cats.


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