Ivermectin For Cats - Dosage

Ivermectin is a macrocyclic lactone that has been used since the 1980s for cows, sheep, goats, or horses. Its antiparasitic activity is the reason why this treatment was extended to pet care, treating animals like dogs and cats. Ivermectin functions by paralyzing and, consequently, killing the parasites. It is marketed in various formats such as ivermectin paste, pipettes, and oral administration.

Ivermectin administration on the skin, however, can cause alopecia and peeling. Selamectin or moxidectin are other widely used lactones commonly used in pipettes. These are both recommended alternatives to ivermectin for cats. It should be noted that ongoing research continues to explore more effective and safer alternatives, further expanding the available options for feline parasite control.

For more, we recommend reading up about parasites in cats:

• Intestinal parasites in cats.
• Home remedies for intestinal parasites in cats.

The application of ivermectin is capable of eliminating nematodes and mites in cats. Ivermectin for cats can be used as an internal dewormer against roundworms. This is in addition to functioning as treatment for diseases caused by mites, both inside the ears and on the skin. Ivermectin is often used, for example, to treat or deter mange caused by ear mites in cats. Its application for the treatment of infestations by external parasites (fleas and ticks) is controversial, therefore we recommend the use of other antiparasitics that eliminate and prevent these re-infestations.

In addition, we must highlight the common use of ivermectin in the prevention and treatment of heartworm in cats, a parasite capable of occupying the heart, lungs, and veins directed to the liver. This worm accesses the organism in immature forms, transmitted through the bite of an infected mosquito. Due to the importance of the organs that it affects, it is a parasitic of potentially fatal severity. On the other hand, prevention strategies are crucial, as they play a vital role in ensuring the health and longevity of your feline friend.

The use of ivermectin in animals suspected of suffering from filariasis, should be applied following strict veterinary control. A dose able to kill microfilariae rapidly can also trigger severe anaphylactic shock in an animal, thus this needs to be avoided. Moreover, it is essential to understand that improper use may lead to drug resistance, reducing its effectiveness in the long term.

For more, we recommend reading our article about mites on cats.

Administration and frequency of an ivermectin dose for cats will vary predominantly on what is being treated. Therefore, it is important that before treating a cat with ivermectin, you should consult a veterinarian. The professional will consider factors such as the cat's age, weight, and overall health condition to determine the appropriate dosage.

Ivermectin will affect different animals differently and this needs to be taken into consideration. Similarly, it’s worth noting that some cat breeds may have a genetic predisposition that affects how they metabolize ivermectin, which could lead to heightened sensitivity. Keep reading to find out more about the possible side effects of ivermectin for cats.

When administered professionally under the supervision of a professional, ivermectin is safe for cats. There is a possibility, however, that your cat may be allergic to ivermectin, but this is not very common. Bear in mind that the side effects of ivermectin in cats can be very serious. Thus, an inadequate dosage can result in intoxication which can cause:

• Lack of coordination.
• Vomiting and diarrhea.
• Depression.
• Tremors and exaggerated wide movements.
• Dilated pupils.
• Hypersalivation.
• Difficulty breathing.
• Decrease in body temperature.
• Absence of reflexes.
• Paralysis in the hind legs.

Ivermectin overdose in cats

If, after your cat has been administered ivermectin you notice any of the above symptoms, you should visit your veterinarian IMMEDIATELY. There is no antidote against ivermectin, treatment is based on an establishment of fluid therapy and appropriate drugs. Recovery may take several weeks. Do not exceed the general 0.2 to 1.3 mg/kg of ivermectin for cats. If you believe that your cat is suffering from ivermectin toxicity, again, consult your veterinarian as soon as possible. It should also be highlighted that preventive measures, including regular veterinary check-ups, can help avoid such adverse reactions.

For more, we recommend taking a look at our article where we discuss poisoning in cats.

Lastly, before administering ivermectin for kittens, you should consult a veterinarian. An overdose of ivermectin in kittens is incredibly dangerous, in the same way that you shouldn’t offer this antiparasitic drug to cats who are allergic to it. Special precautions should also be taken when treating pregnant and/or lactating cats. In this regard, veterinarians may suggest alternative treatments that are safer for these sensitive groups. Understanding the unique health requirements of kittens is vital to ensuring their healthy development and growth.

This article is purely informative. AnimalWised does not have the authority to prescribe any veterinary treatment or create a diagnosis. We invite you to take your pet to the veterinarian if they are suffering from any condition or pain.

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