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What is Prinovox?

Prinovox is a spot-on veterinary medicine that is available for the treatment and prevention of fleas, lice, mites, and lungworms and different stages of heartworm in dogs and for the treatment and prevention of fleas, mites, roundworms, and heartworms in cats

It is a clear yellow to brownish liquid solution with two active ingredients; imidaclopridוmoxidectin

Benefits of Prinovox

Prinovox is a brand of veterinary medicine available in two variations for dogs and cats. It is specific to the following infestations.

Prinovox for cats and ferrets is used to:

  • Treat and prevent flea infestation
  • Treat ear mites infestation
  • Treat lungworm infestation 
  • Treat heartworm disease

Prinovox for dogs benefits include the following:

  • It treats and prevents flea infestation
  • It treats ear mite infestation
  • Treats and prevents biting lice infestation

The only parasites not covered by Prinovox are ticks and tapeworms.

How is Prinovox used?

Prinovox is a spot-on treatment solution that requires a monthly application to treat and prevent fleas, mites, lungworms, heartworm, and lice in dogs and cats. It’s meant for external use only. To prevent licking, the proper method of administration is to apply the medicine on the animal’s neck, at the base of the skull. 

Is Prinovox suitable for Cats and Dogs?

Prinovox is a brand suitable for use in cats, ferrets, and dogs. Prinovox for cats isn’t advisable for kittens under nine weeks old.

However, do not use on canaries and ensure to always use the specific products for specific animals. For example, “prinovox for dogs” shouldn’t be used for cats and vice versa. 

Also, the product is not safe for lactating or breeding dogs and cats.

טבלת מינון

How the doses are administered depends on the cat’s body weight. There are different packages for cats, ferrets, and dogs of different body weights.

Dosage schedule for cats:

Body weight Pipette size Volume (ml) Imidacloprid (mg/kg BW) Moxidectin (mg/kg BW)
<4kg (under 9 lbs) Prinovox for small cats and ferrets 0.4 Minimum of 10 Minimum of 1
4 - 8kg ( 9-22 lbs) Prinovox for large cats 0.8 10 - 20 1-2

For cats weighing more than 10kg, an appropriate combination of pipette sizes can be used in administering the medicine.

Dosage schedule for dogs:

Body weight Pipette size Volume (ml) Imidacloprid (mg/kg BW) Moxidectin (mg/kg BW)
<4kg (under 9 lbs) Prinovox for small dogs 0.4 Minimum of 10 Minimum of 2.5
>4 - 10 kg( 9-22 lbs) Prinovox for medium dogs 1.0 10 - 25 2.5–6.25
>10 - 25 kg (22- 55 lbs) Prinovox for large dogs 2.5 10 - 25 2.5–6.25
>25 - 40kg ( over 55 lbs) Prinovox for extra large dogs 4.0 10 - 16 2.5 - 4

What are the side effects of Prinovox?

Administration of the product comes with a few side effects. In cats, pruritus, vomiting, and erythema may occur. It may also cause local hypersensitivity reactions on the application site. If the cat licks the application spot, it may cause excessive salivation, vomiting, tremors, or abnormal breathing. This often happens with improper application. 

What precautions should be taken during administration?

Take care of the following precautions when administering the drug.

  • In cases of any known hypersensitivity to any of the active substances, avoid use. 
  • The person administering the drug should take care and avoid contact with skin, eyes, or mouth
  • Don’t eat, drink or smoke during application
  • After application, let the application site dry before grooming or stroking the animal.
  • In case of accidental spillage, rinse the spot thoroughly with water and soap
  • Imidacloprid is toxic for canaries, so avoid administration of Prinovox to birds.

How effective is Prinovox?

Prinovox is a highly effective anti-parasitic medicine that destroys both larvae and adult fleas on the animal’s body. It is 99% effective for dogs and cats suffering from or at risk of mixed parasitic infections. 

The drug is persistent, providing lasting protection up to 4 weeks after a single application.

What pack size does it come with?

Prinovox is available in the following sizes; less than 4kg, 4-10kg, 10-25kg, and 25-40kg. For dogs weighing over 40kg and cats weighing above 8k, use a combination of two appropriate spot-on treatments that closely match the body weight.


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