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Browse Heartworm (2 of 8)

Sentinel Flavor Tabs
Requires Prescription

Sentinel Flavor Tabs

Regular Price: $87.17 - $212.81
In Stock Now
Our Price: $67.99 - $165.99 (You Save 22%)

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About Sentinel Flavor Tabs

Concerned about the quality of your pet care? Choose Sentinel, a monthly pill that prevents flea infestation and heartworm and kills parasites such as hookworm, roundworm and whipworm. FDA approved, Sentinel is a safe, effective choice for preventive pet medicine.

Manufacturer

Novartis

Directions

Sentinel Flavor Tabs are to be administered once a month, together with a meal. Dosage is determined according to the weight of your pet; the packages are color-coded according to the dosage size.

Ingredients

Milbemycin oxime and Lufenuron

Side Effects

In relatively few cases, pets exhibited adverse reactions to Sentinel Flavor Tabs in their digestion (vomiting, anorexia, diarrhea), their skin (pruritus, urticaria, congestion), or through neurological symptoms (depression, listlessness, ataxia, convulsions, and weakness). There can be more serious effects if Sentinel is administered to a dog with a preexisting heartworm infection; be sure that your pet is tested for heartworm disease before being given this medication.

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Based on 52 reviews

Average Customer Rating (4)
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2 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:South Carolina

Posted:12/02/09

Does Not Kill Fleas

Purchasers should be aware that this product will NOT kill the fleas you see on your dog. It sterilizes the fleas and prevents them from reproducing. If you are looking for something that will kill the fleas you see on your dog, you should get Frontline Plus for Dogs. After my vet explained this to me, and online reasearch easily backs it up, I quit using this product since it won't do what I need.

3 Paws Up

Sentinel Flavor Tabs

Reviewer:Dog lover

From:Dallas, TX

Posted:08/22/09

Worked up until now

I have three dogs and have been using this product for over a year. I just found fleas on one - she has white hair so it was easy to see them crawling around. I am considering switching back to Heartgaurd and just using a topical flea medication now.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:poodle runner

From:Tampa, Florida

Posted:08/03/09

No More Fleas!

My dogs are on Sentinel now and Program the year before. Prior to discovering this medication, I tried every available spray, powder and spot treatment without luck. The fleas in South Tampa, Florida can reproduce amazingly fast and nothing worked - until I used Program. Because of it, I switched to Sentinel for the heartworm protection instead of using separate drugs. Both of my dogs love the flavortabs and consider them "treats". It's always good when the dog likes it, right?

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Tamara - Owner of Lo-Lo (Mastiff/Pit mix)

From:Austin, Tx

Posted:06/04/09

Great Product!

I've used this product for 2 years now and I love that I do not have to worry about fleas and paracites on my dog. I have never had any issues with my dog bringing any "buddies" from the outside!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:Indiana

Posted:04/22/09

great stuff!!

I have had my American Eskimo Spitz all of his life (14 years) and have had him on Sentinel tabs from the beginning. It is really a good product and does exactly what it says it will. He has never had one flea, to my knowledge. And of course no sign of heartworm, through all of his testings. Receiving this medication through PetCareRX is faster, cheaper and very reliable. The coupons are a great bonus!!

4 Paws Up

Sentinel Flavor Tabs

Reviewer:R.C.

From:Peachtree City, GA

Posted:09/02/08

Schnauzer mom pleased in GA

My two dogs are 7 and 8 and have been on Sentinel since birth except for about a years timespan when the vet switched them to Heartgard and Frontline plus because they had had a few tics and the Sentinel isn't for tics. Big mistake! During that time we had a flea infestation. We switched back to the Sentinel and haven't had fleas since. The only problem I have with Sentinel is that one dog loves it and will chew it right out of my hand. The other one avoids it after sniffing it and I have to crush it and put it in some other food that kills the smell for her to eat it. AND, ordering through PetCareRx is easy and less expensive than at the Vet. Keep the coupons coming!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Single Mom with 2 adopted recued dogs

From:Raleigh, NC

Posted:08/18/08

Fast Delivery

Love the fast delivery

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Kat, owned by two Pembroke Welsh Corgies

From:Henderson, NC

Posted:08/16/08

Fast, easy, and personal

The people at Pet Care Rx showed that they care about service. I received very personal care and the products I ordered, arrived in record time. The products are exactly as I have purchased at the Vet, but half of the cost. I am very happy, and my four legged friends are happy and healthy...and that is the reason I will only order from Pet Care Rx

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Beth, owner of a Sheltie, 3 cats and 3 gold fish

From:Newark De

Posted:08/16/08

Sentinel

We have a Sheltie which has a lot of hair! Our vet uses this product on his dogs. We have never had a problem with fleas since using Sentinel ( 10 years ) . To save some money , it would be good to send the product in a padded mailer vs a big cardboad box! I love all the coupons. We saved quite a bit of money and received free shipping!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:for our sheltie puppy Mulligan

From:New York

Posted:07/26/08

Easy to order, great price, excellent service

that's says it all!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:12 lb Maltese owner

From:Chicago IL

Posted:07/07/08

great product great service

Petcarerx has superior customer service and very quick delivery. It is cheaper than buying at the vets. Will visit again!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Barb, yorkie owner

From:Omaha, Ne

Posted:06/21/08

Sentinel

I have had my two yorkies on Sentinel for years and it is the best heatworm/flea control medication I have ever used. One pill does the trick instead of using two separate medications which can result in higher costs. The pill is very tiny making it so easy for even the smallest dog to swallow.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Mike, silky terrier/pekingnese owner

From:Decatur, GA

Posted:06/16/08

Good product, better price than vet or competitors

My two dogs have been on this medicine for about 7 years now without a SINGLE problem. Keeps them flea and heartworm free. I was quoted $80 from my vet for a 6 month supply. With a discount coupon, I just paid $101 including shipping for a 12 month supply! A huge savings! Service was great, they contacted my vet for me and shipped it in a few days. I've previously considered 1-800 Pet Meds, but the prices were never worth it compared to my vet. PetCareRX has changed all that. This is where I'll buy my pet meds from now on.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:greyhoundx

From:San Francisco

Posted:06/07/08

Best Choice

Over the past 15 years we have rescued dozens of speical needs greyhounds and others. We alway depend on Sentinel to keep the dogs and our home environment healthy. I do not know how many hours we spent combing and bathing before this product was introduced. Especilly for former racing greyhounds who are exposed to many tick born diseases and given no prophylactic care. It is exceptional to be able to protect these good animals from so many potential parasites with an easy once a month pill.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Sue, owner of two Yorkies!

From:San Luis Obispo, CA

Posted:06/07/08

Thank You PetCareRx

I've purchased Sentinal for my Yorkshire Terriers for years but this is the first time I've used PetCareRx. I placed my order on Monday and received my shipment on Friday....and this included PetCareRx contacting my vet for a prescription. PetCareRx is fast...!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Diva's Mom Melinda

From:Surprise, AZ

Posted:05/17/08

Fit for a Diva

Our Maltese Poodle Diva has been on this product since she was a puppy. She has a luxating patella and the Synovi has helped her stay active and without pain for almost 6 years now. It is a super product!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Jim, Miniature Pinscher, Chihuahua & Jack Russell

From:Indianapolis, IN.

Posted:05/10/08

Sentinel is the best

Sentinel is the only medicine that I buy for my Dogs. I think it is the best heart worm medicine that you can buy because it also controls fleas & worms. PetCareRx is where I buy everything. They offer a great price & fast shipping.

4 Paws Up

Sentinel Flavor Tabs

Reviewer:Linda ,a mixed breed owner .

From:Montgomery, Alabama

Posted:04/19/08

No Hassel Ordering

PetCare RX has a large variety of flea and tick medications.I've used Sentinel before. I like the combined treatment and onece a month dose.We have not seen nor had problems with fleas in over 2 yrs. My dog's last heart worm check up had a clean bill of health.I Found Sentinel to be a few dollors less here, than at my vet. My shipment arrived fast and was packaged securely . My pet's name, vet's name and instructions were on the box.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Joan, English Cocker owner

From:Sykesville, Maryland

Posted:04/19/08

Great Service

I was very pleased with the fast service and shipping. I received my order within four days of of ording. It was flawless. I will definitely order again.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Madeline - owner of 4 mixed breed dogs

From:Pensacola, FL

Posted:04/16/08

Best I have found

I use Sentinel for all 4 of my dogs and it is great. Besides keeping fleas from breeding, I love that it prevents heartworms.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Tina, Pet Lover

From:Middle Georgia

Posted:04/04/08

Great Product

I have always used Sentinal for my dog. It works very well for fleas - haven't ever seen a single one, even on the indoor cats and I don't use a preventative on them. This might not be the case for areas that are high flea areas, but it's the case for us. I like purchasing it from PetCareRX because they are a few dollars cheaper than the vets and they deliver to my door!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Jan has 5 loving dogs. My babies!

From:Kingsport, TN

Posted:04/03/08

Very Satisfied

I highly recommend getting your pet's need from PetCare. The price is within my budget. They ship it quickly. The product is as good or better then what you get from you vet.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:Cape Coral, FL

Posted:04/02/08

Works Great!

We have used this product with our Boxer for two years since we got her and she has never had a flea. I love this product and so does she. She eats it like a treat. I have her do a trick first so she knows it is a reward not a medication.

4 Paws Up

Sentinel Flavor Tabs

Reviewer:Doxie Mom

From:Texas

Posted:03/25/08

Easy. No problems

Have a mini-dachshund and have had no problems using this medication. Great that it is a 2 in 1 pill (flea & heartworm).

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Judy & John, Just Mom and Dad to Chacha Noel

From:Austin, TX

Posted:01/20/08

Best on the market

We've used this product for our older dog, now gone and now for our puppy. It is great and we've not had any problems with it so far.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Janea, rat terrier owner

From:South East Louisiana

Posted:12/05/07

No Problems

My dog bullet gets great check ups at the vet. No worms, and No fleas or ticks. We live in an area with trees and water. He does not mind eating the tablet but he is finiky. A dab of peanut butter does the trick.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:San Francisco CA

Posted:11/29/07

Rescue dog miracle

I rescue special needs greyhounds and small breeds. This is the only way to be safe and sure that they are paricite free.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Jenna, Vizsla owner

From:Pennsylvania

Posted:11/12/07

easy to administer

Our vet recommended this product because it prevents numerous parasites. Our dog just eats the pill from my hand with no fuss. He loves it and thinks it's a treat.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Inna, I own a lab mix

From:

Posted:10/18/07

great product

We really like this product

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Linda 2 yorkie owner

From:Palm Bay, FL

Posted:09/08/07

best product

this is the only product i would use on my dogs, it is safe and it works

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Maureen, husky "Nakoma" & sheperd "Mika"

From:Lake View NY

Posted:09/03/07

Works great on both our babies!!

We give this product to both our babies and they are well protected, which gives us satisfaction knowing they are growing up safely covered by the bad things that could hurt them...

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Paula, a schnauzer owner

From:Florida

Posted:08/30/07

Heart Worm Protection is a MUST in Florida

the product works well

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Kathy, owner of 2 shihtzu's

From:Lakeland, FLorida

Posted:08/23/07

Excellent protection

This stuff works great, all issues that can affect my dogs are taken care of in this one pill. Our puppy got a few fleas on him at the groomers and within 24 hours they were dead. Love this stuff!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Eva - 2 Jack Russels and 1 Lab

From:Newport News, VA

Posted:07/26/07

It really works.

I have been using this product since it first came out. I have always had a multi-dog family of as many as 5 dogs at a time and currently live with 3 dogs. I have never had a problem with fleas and the additional parasite medication is an added bonus to this product.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:florida

Posted:07/12/07

only stuff that really works

I have tried so many products for fleas and this is the only thing that works

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Rita, I own 2 labs and a pomeranian. Have been usi

From:Jacksonville, Fl

Posted:07/07/07

Highly Recommended

I have never had a flea or worm problem and have been using this product for over 5 years.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Larry, owner of Cavalier King Charles Spaniel

From:Houston, Texas

Posted:07/04/07

ONE OF THE MOST EFFECTIVE PRODUCTS ON THE MARKET

I've used this product for 8 years now with great success. I tried switching to another product once, but came right back to using this one. IT WORKS!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Curt, past owner of a chow-chow and now a black La

From:Riverside, San Diego, CA.

Posted:07/02/07

Excellent Product

Have used this product now with 2 different dogs and has been very successful with both!!

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Yellow Lab and Catahoula Leopard Owner

From:Orlando, FL

Posted:05/02/07

Program Component Superlative

The Sentinal Product is the combination of two very effective products, Program for fleas and ticks and Interceptor for Heartworm. I have used Program for 15 years on several dogs, and it eliminates fleas. My dogs live outside 100% of the time in Florida, and they do not have fleas. Zero! There is nothing like it on the market. It steralizes fles so they cannot reproduce, and effectively eliminates fleas. They never come back once eliminiated. By buying Sentinal, you save money over buying both a heartworm and Flea/Tick protector separately. I would not use any other product.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Samantha

From:New York

Posted:05/02/07

A great product

I use to work at a vet clinic, we highly recommended this product. I love the heartworm prevention and flea prevention all in one.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Kathy, owner of two Shitzu's

From:Lakeland, Florida

Posted:04/17/07

Works better than Advantage and Heartguard, which must be taken together. Sentinel is an all-in-one,

I really like that it protects against not only the different types of worms, but also fleas and ticks. It truly does work and my dogs take it without us having to conceal it in cheese.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Rich & Arlea, Labradoodle owner

From:Hillsdale, Michigan

Posted:04/02/07

Sentinel comes highly recommended by our Vet.

I would not trust anything else as we live in the country and love our big Labradoodle puppy. What makes it special is that it keeps the fleas off and prevents heartworm and hookworm. We feel very comfortable that our best friend is protected.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Beulah, cockers are a joy

From:NH

Posted:04/02/07

Sentinel for Life - one pill a month

I like the ease of the product. One pill for heartworm and flea control one time and month. Investigate. It's worth it.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Becky - 2 labs that are 5 years old

From:Stone Mountain, GA

Posted:03/24/07

Flea free

This product has done exactly what it claims. My dogs are flealess and heart worm free.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:

Posted:03/18/07

look out

effective

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Betty - teacup poodle owns me!

From:Simpsonville, SC

Posted:03/10/07

Purrrr-fect

Convenient! Priced right,too.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:

From:Kent, Washingtin

Posted:03/08/07

No fleas on my dog

I have a Pembroke Corgi that is now 9 mos. old. He has taken Flavor Tabs for 6 mos. and has done very well. I put a little peanut butter on the pill and feed it to him with my finger. I really like the idea of not using flea soap or a flea collar on him because my grand kids play with him a lot.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Ms. Lillian Cruz

From:Bronx, New York

Posted:12/25/05

They're Grrrrrrrrrrrrrrrrrrreat!

We love our dog Frankie very much. At times I think that I and my children adore him. Frankie has his own carriage, toys and a beautiful coat/sweater to keep him warm. We want to keep him healthy because we want him to live for many many years. Sentinel keeps him healthy, and gives Frankie a beatiful shine for his coat.

5 Paws Up

Sentinel Flavor Tabs

Reviewer:Rosemary

From:Georgia

Posted:09/23/05

Wonderful results

We have two dogs and both have been on Sentinel for many years. Never have we had any problems with fleas, worms, etc.

4 Paws Up

Sentinel Flavor Tabs

Reviewer:george

From:hiltonheadisland,sc

Posted:06/11/05

chloe

My dog has not had any undesirable side effects. *This a prescription item

4 Paws Up

Sentinel Flavor Tabs

Reviewer:Melissa

From:Hampton, VA

Posted:05/16/05

Great Stuff!

We tried the using the flea prevention via prescription (both brands) that you put on their neck and a heartworm rx that they swallow. The problem was the flea medication! It was messy and the fleas always came back within a matter of a month or so. Sentinel combines both medicines. It is an easy pill for the dog to take, and we have yet to see a single flea since starting regularly using this. We love it! And, PetCareRx is half what the vet would charge!*This is a prescription item

4 Paws Up

Sentinel Flavor Tabs

Reviewer:David & Dianne Capper

From:Benbrook, TX USA

Posted:01/13/05

Sentinel Flavor Tabs-Pricey but Potent

We have tried just about any heartworm and flea medicine for our dogs over the years, only to be turned away by the taste or the smell and mess. Not so with Sentinel! THese tasty tabs tantilize our little pooches with a desireable flavor and entice us with NO FUSS. By now, with the experience of our kids and ourselves, we recommend the use of this product for anyone wanting the ease and desirablity of an oral approach to thwarting these pet pests once and for all. *This is a prescription Drug

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Reviewer:

From:

Posted:

Understanding Flea & Ticks

At PetCareRx, we feel that a well educated customer is a happy customer.

Overview

Fleas and ticks may pose a very real threat to the health and comfort of your pet. In addition to extreme discomfort, fleas and ticks can also cause serious health problems in pets and people. Don't compromise.

Fleas & Ticks

FLEAS
Few creatures can inflict more misery, ounce for ounce, than fleas. These tiny, almost-invisible pests can make life miserable and disrupt your household with a vicious cycle of biting and scratching. Fleas may also cause flea allergy dermatitis in some pets and may be carriers of dangerous diseases.

TICKS
Often too tiny to be seen, ticks attach to pets and feed on blood until they are engorged. They thrive in high humidity and moderate temperatures, but can be found all over the country. Ticks may carry and transmit diseases, including Lyme disease, that can cause serious health problems for pets and people.

Where Fleas Hide

Flea infestation is difficult to control, and fleas generally infest homes with tile, hardwood or other hard surface floorings. It is very difficult to rid fleas from hard surfaces. When fleas invade a surface that is carpeted, they generally linger around pet rugs, carpets, and any dark and dusty areas.

Warning Signs

There are two clear signs of flea infestation. The first one is flea dirt, which are the black spots on your pet or in your pet’s bed. These black spots are dried blood that is excreted by fleas. The second warning sign for fleas is incessant agitation, scratching or biting behavior that you might see in your pet. They might become restless and irritated and will scratch themselves if they are infested with fleas or ticks.

How to Prevent Flea & Ticks

Check your pet’s beds and the areas where they spend most of their time. You should also observe their behavior for any unnecessary scratching or biting. There are various prescription and non-prescription flea and tick medications available in the market that will rid your pet of fleas, ticks and mosquitoes. Please ask your veterinarian for which flea and tick product is appropriate for your pet.

FAQ's about Sentinel Flavor Tabs

Click on any question to read the answer.

  1. What flavor are these tabs?

    Sentinel tablets are flavored using a soy-protein based beef flavoring.

  2. What is the active ingredient?

    Sentinel contains the active ingredients milbemycin oxime and lufenuron.

  3. What is the dosage (mcg and mg) corresponding to each weight category?

    Sentinel 2-10lb 2.3mg/46mg TAL, a tablet containing 2.3 mg of milbemycin oxime and 46 mg of lufenuron.
    Sentinel 11-25lb 5.75mg/115mg TAL, a tablet containing 5.75 mg of milbemycin oxime and 115mg of lufenuron.
    Sentinel 26-50lb 11.5mg/230mg TAL, a tablet containing 11.5 mg of milbemycin oxime and 230 mg of lufenuron.
    Sentinel 51-100lb 23mg/460mgTAL, a tablet containing 23 mg of milbemycin oxime and 460 mg of lufenuron.

  4. Can Sentinel be used to kill heartworms already contracted by my pet?

    Sentinel is used to prevent heartworm. If you think your pet may be positive for heartworm you should contact your veterinarian for treatment options.

  5. Does Sentinel also protect against other intestinal worms?

    Sentinel is an oral tablet for the prevention and control of flea populations, the prevention of heartworm (Microfilaria immitis) disease and the treatment and control of roundworms (Toxocara canis, Toxascaris leonina), hookworms (Ancylostoma caninum) and whipworms (Trichuris vulpis) in dogs.

  6. What is the minimum age and/or weight?

    Sentinel is well tolerated by dogs of all ages and breeds, including Collie breeds and breeding animals.

  7. Can this product be used on pregnant and nursing dogs?

    Can this product be used on pregnant and nursing dogs?

  8. Do I have to use Sentinel year round or only during the mosquito season?

    Where heartworm transmission is not seasonal Sentinel is given throughout the year. Dogs living in heartworm-free regions and travelling to heartworm risk areas should be treated within 1 month of the beginning of the exposure to transmission.

  9. What happens if I missed my monthly schedule?

    If a dose is missed dogs should be tested for heartworm infection. Heartworm prevention programs should be started only in dogs found to be uninfected.

  10. If I use Sentinel seasonally, does my pet need a heartworm test before administering the first does?

    Dogs should be tested for heartworm infection. Heartworm prevention programs should be started only in dogs found to be uninfected.

  11. How does Sentinel work against fleas?

    Lufenuron the main ingredient of Sentinel is an insect growth regulator belonging to the group of benzoyl-phenyl-ureas (BPUs) and is classified as an insect development inhibitor (IDI). Like all BPU's, lufenuron acts as a chitin synthesis inhibitor. Treated immature fleas will not be able to molt to the next stage and females feeding on treated animals will produce eggs out of which no larvae will hatch. The interruption of the flea life cycle at various levels results in a long-term very effective flea control on the animal as well as in the environment.

  12. Which stages of flea development are controlled with Sentinel?

    Lufenuron the main ingredient of Sentinel is an insect growth regulator belonging to the group of benzoyl-phenyl-ureas (BPUs) and is classified as an insect development inhibitor (IDI). Like all BPU's, lufenuron acts as a chitin synthesis inhibitor. Treated immature fleas will not be able to molt to the next stage and females feeding on treated animals will produce eggs out of which no larvae will hatch. The interruption of the flea life cycle at various levels results in a long-term very effective flea control on the animal as well as in the environment.

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