Interceptor For Cats: Overview, Dosage & Side Effects – The Dog Lovers

Interceptor is the thương hiệu for a month-to-month oral heartworm and intestinal parasite preventative manufactured by Elanco Animal Well being. On this article, you’ll be taught some common product info, how Interceptor targets parasites, negative effects to observe for, and a few steadily requested questions.

Medicine Kind:

Macrolide antiparasitic

Prescription Required?:


Life Stage:

4 weeks of age or older

Frequent Names:

Milbemycin oxime

Obtainable Dosages:

5.75mg (brown, cats 1.5-6lb); 11.5mg (yellow, cats 6.1-12lb); 23mg (white, cats 12.1-25lb)

Expiration Vary:

Merchandise needs to be used earlier than the expiration on the bundle. Interceptor tablets needs to be saved at room temperature.

About Interceptor For Cats


Interceptor is a month-to-month preventative medicine that targets mosquito-borne heartworms (Dirofilaria immitis), and the intestinal parasites roundworms (Toxocara cati) and hookworms (Ancylostoma tubaeforme). 

Interceptor’s energetic ingredient is milbemycin oxime. Milbemycins work primarily via particular glutamine-gated chloride ion channels within the nervous system of the parasite. This inhibits {the electrical} exercise of nerve cells in worms, inflicting paralysis and dying. 

Milbemycins additionally improve the discharge of gamma-aminobutyric acid (GABA), which is an inhibitory neurotransmitter, thereby blocking nerve conduction in worms. 

Mammals don’t have the precise glutamate-gated chloride channels of their nervous methods, making milbemycins typically secure and unhazardous. Milbemycins additionally don’t cross the blood-brain barrier, stopping them from reaching a mammal’s GABA receptors. 

As a heartworm medicine that’s FDA permitted for cats, Interceptor is a prescription merchandise that may solely be prescribed by a licensed veterinarian.

What Does Interceptor Do For Cats?

Interceptor is mostly considered a secure and efficient choice for the prevention of heartworms, roundworms, and hookworms in cats. 

Interceptor will really kill grownup roundworms and grownup hookworms in cats, offering remedy for present infections. 

Nevertheless, with heartworms, Interceptor has solely been proven to be efficient for as much as 45 days after preliminary an infection with heartworm larvae carried by a mosquito. As soon as the larvae mature additional and turn into grownup worms, Interceptor can now not present remedy. 

There isn’t a permitted grownup heartworm remedy for cats. Whereas cats usually have infections brought on by only a few worms and a few cats could clear infections on their very own, cats also can get extreme power inflammatory adjustments to their lungs. Sudden dying also can sadly be the one signal {that a} cát was contaminated with heartworms. Testing is unreliable in cats and because of this give attention to prevention could be very essential in addressing heartworm illness in cats. 

You will need to understand, as with all preventatives, what Interceptor doesn’t do. It can not deal with or stop another intestinal parasites apart from roundworms and hookworms, and it has no exercise towards fleas and ticks. Interceptor Plus, which additionally consists of praziquantel for treating and stopping tapeworms in canine, is just not permitted to be used in cats. 

Facet Results Of Interceptor For Cats

Only a few cats expertise negative effects from Interceptor.

Based on the producer, security research involving younger cats and kittens given as much as 10 instances the advisable dose of Interceptor skilled no drug-related in poor health results. 

In research involving practically 150 cats of a number of completely different breeds, Interceptor was used safely with vaccines, dewormers, antibiotics, flea collars, steroids, shampoos, and dips. 

It needs to be famous nevertheless, that any new oral medicine has the potential to trigger digestive upset. In canine, the most typical opposed reactions included vomiting, diarrhea, lower in urge for food, and extreme drooling/hypersalivation. 

Whereas neurologic results have been seen in canine, together with irregular gait, seizures, and convulsions, you will need to word that some canine carry what known as the MDR1 mutation that will increase their susceptibility of neurologic negative effects to sure medication. Cats don’t carry this mutation and these negative effects haven’t been reported in cats. 

Based on the producer, security in heartworm constructive cats has not been established they usually do advocate testing previous to beginning Interceptor. 

Heartworm testing in cats is just not very dependable as cats could usually have a single-sex worm an infection and the take a look at is predicated on detecting the feminine worm antigen. Subsequently, if a cát has a single-sex an infection by a male worm, the take a look at will come up destructive. 

For this reason you will need to seek the advice of along with your vet previous to beginning Interceptor, or any heartworm prevention medicine to your cát. Cats could present different indicators of sickness that may be related to heartworms, together with asthma-like indicators corresponding to coughing or respiration problem.

Interceptor For Cats Dosage

Interceptor is available in completely different dosages meant for cats of various weights.

Interceptor is permitted for cats and kittens aged 6 weeks of age or older, and weighing a minimum of 1.5 kilos.

There are three dosage sizes of Interceptor accessible for cats. Interceptor Inexperienced is for cats weighing 1.5 to six kilos (5.75 milligrams of milbemycin oxime). Interceptor Yellow is for cats weighing 6.1 to 12 kilos (11.5 milligrams of milbemycin oxime). Interceptor White is for cats weighing 12.1 to 25 kilos (23 milligrams of milbemycin oxime).

For a cát weighing greater than 25 kilos, the producer recommends combining tablets to attain the required dose based mostly on weight. For instance, a 27 kilos cát would get one Interceptor White pill and one Interceptor Inexperienced pill. 

Interceptor is meant to be given as soon as month-to-month, ideally on the identical date every month. The producer recommends beginning inside 30 days of a cát’s publicity to mosquitoes (it is because the medicine can nonetheless kill heartworm larvae for as much as 45 days). 

The chewable Interceptor tablets are formulated to be palatable and might be provided on their very own as a deal with. Within the sự kiện your kitty is not going to take Interceptor by itself, the pill might be administered in meals, or damaged up into smaller items. 

If the dose of Interceptor is just not totally consumed, the producer does advocate giving one other full dose as quickly as potential. 

Whereas the producer does point out giving month-to-month throughout mosquito “season,” you will need to word that mosquitoes and heartworm illness is usually a vital threat year-round in lots of areas, which is why veterinarians advocate year-round prevention, even for indoor cats. In studies, as much as 25% of heartworm constructive cats have been recognized as indoor-only cats. 


Interceptor is a standard and dependable heartworm and intestinal parasite preventative that has been round for a few years and is taken into account secure and efficient. Its important draw back is that it doesn’t present safety towards fleas and ticks. 

Incessantly Requested Questions

Can Interceptor be given to cats?

Sure, Interceptor might be given to cats, however you will need to solely use the right dosage measurement, which embody Interceptor Inexperienced, Yellow, and White. The packaging will point out it’s for cats and canine, and an image of each is on the entrance. 

Interceptor Plus, which comprises praziquantel for tapeworms, is just not permitted to be used in cats. 

What does Interceptor deal with in cats?

Interceptor for cats can actively kill grownup roundworms and hookworms, in addition to gives prevention with continued administration. For mosquito-borne heartworms, Interceptor can kill newly launched larvae for as much as their first 45 days, in addition to stop new infections. 

Interceptor can not kill later stage larvae or grownup heartworms, and doesn’t kill fleas and ticks. 

Is Interceptor nonetheless accessible?

Sure, Interceptor continues to be extensively accessible. Interceptor Plus for canine is now additionally accessible, however doesn’t carry a label of approval for cats. 

How usually ought to Interceptor be administered?

Interceptor is designed to be administered as soon as each 30 days. The producer recommends beginning it inside 30 days of mosquito publicity and persevering with via the remainder of mosquito “season.”

Nevertheless, you will need to word that in lots of areas, mosquito-borne heartworm illness is a yr spherical concern, main most veterinarians to advocate utilizing prevention each month all yr. 

If a dose is missed inside 30 days of its due date, the producer recommends giving the following dose as quickly as potential. If it has been past 30 days of the final due date, the producer recommends re-evaluating a cát for potential heartworm illness first via blood testing and analysis of any medical indicators by a licensed veterinarian. 

Tư vấn us to view extra attention-grabbing article about Lovely Cats and extra. I hope you take pleasure in studying The Dog Lovers

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button