Panacur Granules
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At a Glance
Controls and removes roundworms, hookworms, tapeworms, and whipworms
FDA approved for use in dogs
One of the safest deworming products on the market

Panacur Granules

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At a Glance
Controls and removes roundworms, hookworms, tapeworms, and whipworms
FDA approved for use in dogs
One of the safest deworming products on the market

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Intervet Logo
One of the most common ailments dogs face are worms. Panacur is used for the prevention and treatment of a broad spectrum of gastrointestinal parasites. It is also used to treat parasites infecting the bronchial tree and lungs. The FDA has approved Panacur for large and small dogs only.
  • Intervet Brand
  • Heartworm & Deworming Pharmacy
  • Asthma & Respiratory Pharmacy
  • Merck Animal Health Manufacturer
  • Senior Life Stage
  • Oral Application
  • Dog Pet Type

What Does Panacur Granules Treat?

The most common ailment that can be found in pets is caused due to the infestation of worms. Panacur is a canine dewormer that can kill several parasitic worms. Veterinarians may also prescribe Panacur to the pets for treatment and prevention purposes if they are found to be suffering due to infestation of broad-spectrum gastrointestinal parasites. The active ingredient of Panacur is Fenbendazole. Fenbendazole is an anthelmintic drug that is generally used for the treatment and management of parasitic infections that are normally found in pets. Fenbendazole helps in the treatment of both acute and chronic stages of parasite infections in your puppies or adult dogs. Fenbendazole which is a broad-spectrum benzimidazole anthelmintic can also help your pets in curing the infections caused in their lungs, respiratory tract, and bronchial tree.

How Fast Does Panacur Work?

Panacur Dewormer is a pet medicine that has a higher approval rate among the veterinary community compared to the other pet dewormers that are generally found in the pharmaceutical market. This drug is also a popular choice for numerous pet owners due to its excellent properties. Panacur Dewormer for dogs generally comes in a granular form. Other than the extermination of parasitic worms, this drug also treats a large number of diseases and infections that are caused by these parasites. Fenbendazole that is present inside the medicine Panacur Dewormer generally works by completely obstructing or inhibiting the energy system or metabolism of these parasites that cause various diseases and infections in the pets. The anthelmintic nature of this compound can provide a quick solution for your pet if they are suffering from infections in their respiratory tract and gastrointestinal tract. After the administration of this medicine, the treatment starts very quickly. The medicine starts working within a day or two after its administration. To eliminate all the parasitic worms that are infesting your pet's body it may take a period of three to four weeks.

What Are the Side Effects of Panacur in Dogs?

Panacur Dewormer is a very safe drug for application in your pets. However, in some cases, it has been seen that after the application of this drug to a few pets they have shown some adverse effects or abnormal symptoms in them. These adverse effects can include diarrhea or loose stools, occasional vomiting, and a continuous feeling of nausea. The digestive system of some pets can also react negatively due to the death of the worms or dying parasites by showing an allergic reaction to them.

How Do You Give Panacur Granules to a Dog?

During your pet's daily normal mealtime, you can mix a full dosage of the medicine Panacur which generally comes in a granular or powdered form with your pet's food in a bowl. After properly mixing it you can give the food to your pet to eat. If you find that they are not eating their food after the application of the dose you can immediately consult your pet's veterinarian for a proper solution. After the initial administration of the medicine, the veterinarian of your pet may also ask you to administer the medicine to your dog after an interval of two to three weeks to completely eradicate the remaining parasites. Panacur can be administered to the pets either on an empty stomach or with food. When administering this medicine to small animals the best option is to mix them with their food.

Does Panacur Give Puppies Diarrhea?

It has been found that some pets have shown an allergic reaction due to the death of parasites inside their body. You have to specifically watch out for these types of symptoms as they can cause your pet to have a mild or severe case of bacteria. In a few cases, they can turn out to be fatal for your pet's health.

Is Panacur an Antibiotic?

Panacur can be decided as a broad spectrum benzimidazole anthelmintic which has antibacterial properties to it. In most pets after the administration of the medicine, Panacur there are almost no symptoms of side effects that can be found in them. This drug can be regarded as a top-of-the-line medicine for pets.

How Long Does Panacur Last Once Opened?

Every bottle of Panacur Dewormer comes with a plastic measuring cup that makes the measuring of the dosage much easier for pet owners. This medicine can remain perfect for six months after opening its seal. But according to the regulation mandate, the medicine should be discarded after twenty-eight days of the seal's opening.


Fenbendazole is an anthelminthic, used in the management of acute and chronic stages of parasite infections in pet dogs. The medication is active against a wide range of worm types like roundworm, whipworm, hookworm and tapeworms that cause a variety of diseases in animals. Febendazole inhibits or obstructs the energy metabolism of the disease-causing parasite. The anthelminthic property in this component provides quick remedy to gastro-intestinal as well as respiratory tract infections. Fenbendazole also doubles up as an ovicidal that kills nematode eggs. Other than dogs, the medication is also used in cats, puppies and kittens. The drug is available over-the-counter without a prescription and in the pharmaceutical form of granules.ย 

Considering the accurate bodyweight of the animals is important before administering the medicine. The usual prescribed dosage for the treatment of adult dogs and cats is 100mg/2.2lbs. For puppies and kittens that are less than six months of age, administer 50mg/2.2lbs for 3 days continuously. The medication is safe to be used in pregnant animals too; provide 25mg/lbs from 40 days of pregnancy. The medication should be mixed with food.ย 

IMPORTANT SAFETY INFORMATION: Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism. Dogs over six months of age should be dewormed at least twice a year with PANACUR Granules 22.2%. For puppies younger than six months, see product label. Approximately 1% of dogs had vomiting associated with the use of this product.

The clinical results prove that the drug has no side effects in animals. In the rarest of cases, certain animals with hypersensitivity develop vomiting and loose stools.ย 

Do not use the medication in animals that are hypersensitive to the drug or any of the benzimidazole carbamates, although there have not been any issues regarding drug interaction. Do not include uncooked meat in the petโ€™s diet. Pet hygiene is very important to avoid cases of infection and reinfection. Also, take care of personal protection as the chances of parasite infection getting transmitted to humans cannot be overlooked.ย 

Ask your veterinarian or consult with one of our pet care specialists at 1-800-844-1427.

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian. Always seek the advice of your veterinarian or other qualified professional with any questions you may have regarding a medical condition. Never disregard or delay seeking professional advice due to what you may have read on our website. Our medications are FDA approved and/or EPA regulated when and as required by law.

Use as directed by veterinarian. Dosage varies due to the dog's exact body weight. Packets of granules should be mixed with the pet's food and administered for several consecutive days for best results. Depending on the dog's health condition and reaction, Panacur may or may not be used longer than three days.

To avoid re-infection, it is important to keep the pet clean and free from fleas and other pests.

Most adult dogs should be de-wormed at least twice a year.

Store at controlled room temperature (59-86F).

Panacur Granules is manufactured by Merck Animal Health
Option UPC/SKU
Granules - (222 mg/g) 1 lbs. (454 g) 0021784047012

How to Order Prescriptions Online

1. Find the Right Product

Make sure it matches your pets prescription. Donโ€™t forget to compare the dosage for pills/capsules!

2. Add to Cart

Just like any other online store. Make sure the quantity matches whatโ€™s been prescribed by your vetinarian.

3. Tell Us About Your Pet and Vet

Answer some questions during checkout and weโ€™ll contact your vet and verify the prescription for you. You can also mail us the written prescription.

4. Thatโ€™s It!

If the prescription has any refills, processing your future orders for that medication can be expedited.

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