Sentinel Tablet for Dogs, 51-100 lbs, (White Box)
Prescription Item
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Your furry friend must have a current heartworm test result on file with your veterinarian in order to be prescribed heartworm medication. Please visit your veterinarian to have this test performed annually to protect your four-legged friend. Sentinel is a monthly oral preventive prescription that protects your pet against heartworms, adult roundworms, adult hookworms, whipworms and prevents the development of flea eggs. Best of all, this medication may also help protect your pal against heartworm disease and intestinal worms, all in a tasty, flavored tablet.
Proudly sourced directly from the manufacturer or their approved distributor. Guaranteed genuine and backed by the manufacturer.
UsesSentinel Flavor Tabs are formulated for dogs and puppies, four weeks of age and older, and two pounds body weight or greater. It is also formulated to help prevent and control flea populations, and for the treatment and control of adult roundworm, hookworm and whipworm infections. Concurrent use of an adulticide product may be necessary for adequate control of adult fleas.
Possible Side EffectsThe following adverse reactions have been reported in dogs alter giving Milbemycin Oxime or Lufenuron: vomiting, depression/lethargy, pruritus, urticaria, diarrhea, anorexia, skin congestion, ataxia, convulsions, hypersalivation, and weakness.
Drug & Food InteractionsTalk to your veterinarian about any other drugs your dog is taking before starting this medication.
Precautions
Do not use in puppies less than four weeks of age and less than two pounds of body weight. The temporary use of a product for adult fleas may be necessary to kill them. Not for use in humans. Keep this and all drugs out of the reach of children.
Dosage Chart
| Color on Box | Weight Range | Strength | Dosage | Product Page |
|---|---|---|---|---|
| Brown | 2-10 lbs | 2.3 mg Milbemycin Oxime & 46 mg Lufenuron | Administer orally once a month | ✓-Click Here |
| Green | 11-25 lbs | 5.75 mg Milbemycin Oxime & 115 mg Lufenuron | Administer orally once a month | ✓-Click Here |
| Yellow | 26-50 lbs | 11.5 mg Milbemycin Oxime & 230 mg Lufenuron | Administer orally once a month | ✓-Click Here |
| White | 51-100 lbs | 23 mg Milbemycin Oxime & 460 mg Lufenuron | Administer orally once a month | ✓-Click Here |
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Item Number146438
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Common Brand Name(s)Sentinel
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Generic NameMilbemycin Oxime, Lufenuron
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For Use WithDogs
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Administration FormOral
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Breed SizeMedium Breeds, Large Breeds
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Product FormTablet
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Strength23 mg Milbemycin Oxime and 460 mg Lufenuron
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Health ConditionHeartworms, Roundworms, Hookworms, Whipworms, Fleas
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Drug TypeParasiticide
23 mg Milbemycin Oxime and 460 mg Lufenuron.
Sentinel Flavor Tabs are given orally, once a month, at the recommended minimum dosage of 0.23 mg/lb (0.5 mg/kg) milbemycin oxime and 4.55 mg/lb (10mg/kg) lufenuron. To ensure adequate absorption, always administer immediately after or in conjunction with a normal meal.
The chewables should be administered in a manner that encourages the dog to chew, rather than to swallow without chewing. Chewables may be broken into pieces and fed to dogs that normally swallow treats whole. Care should be taken that the dog consumes the complete dose, and treated animals should be observed a few minutes after administration to ensure that no part of the dose is lost or rejected. If it is suspected that any of the doses have been lost, redosing is recommended.
Heartworm Prevention: Sentinel Spectrum should be administered at monthly intervals beginning within 1 month of the dog’s first seasonal exposure to mosquitoes and continuing until at least 6 months after the dog’s last seasonal exposure. Sentinel Spectrum may be administered year-round without interruption. When switching from another heartworm preventative product to Sentinel Spectrum, the first dose of Sentinel Spectrum should be given within a month of the last dose of the former product.
Flea Treatment & Prevention: Treatment with Sentinel Spectrum may begin at any time of the year, preferably starting one month before fleas become active and continuing monthly through the end of flea season. In areas where fleas are common year-round, monthly treatment with Sentinel Spectrum should continue the entire year without interruption. To minimize the likelihood of flea reinfestation, it is important to treat all animals within a household with an approved flea protection product, as necessary.
Intestinal Nematode & Cestode treatment and control: Dogs may be exposed to and can become infected with roundworms, whipworms, hookworms, and tapeworms throughout the year, regardless of season or climate. Clients should be advised of appropriate measures to prevent reinfection of their dog with intestinal parasites. Because the prepatent period for E. multilocularis may be as short as 26 days, dogs treated at the labeled monthly intervals may become reinfected and shed eggs between treatments.
Storage InstructionsStore in a dry place at controlled room temperature between 59° - 77°F.
How are Sentinel Spectrum and Sentinel Flavor Tabs different from other heartworm medications?
Not all heartworm medicines provide the same spectrum of parasite protection. Sentinel Flavor Tabs are chewable tablets that protect dogs against fleas, heartworms, roundworms, hookworms, and whipworms. Sentinel Spectrum is a soft, beef and bacon flavored chew that adds tapeworm protection to offer the broadest coverage available.
My dog weighs more than 100 pounds. Are Sentinel Specturm or Sentinel Flavor Tabs a good option for him?
Yes. Talk to your veterinarian about the appropriate dose for your pet.
My dog is a toy breed. Are Sentinel Specturm or Sentinel Flavor Tabs okay for his small size?
Yes. Both Sentinel Specturm and Sentinel Flavor Tabs offer a size that can be given to small dogs. Sentinel Spectrum has a size available for dogs weighing from 2–8 lbs and Sentinel Flavor Tabs has a size available for dogs weighing from 2–10 lbs.
I see a few fleas on my dog. Is the medication working?
You may see an occasional “hitchhiker” adult flea that your dog has picked up at the dog park or in the yard or other infested environments where 95% of the flea population lives in the form of eggs, maggot-like larvae, and pupae. Sentinel Specturm and Sentinel Flavor Tabs put an end to fleas before they become adults. You may need an adulticide, such as Effitix Topical Solution for Dogs, to treat occasional adult fleas.
Can I give either Sentinel Spectrum or Sentinel Flavor Tabs to my cat?
No, both Sentinel Spectrum and Sentinel Flavor Tabs are only approved for use in dogs.
Customer Reviews
94% Recommend
94% of reviewersrecommend this product
You've Already Reviewed This Item
180 Reviews
Showing 1-10 of 180 Reviews
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The only flea control that works for us!
By ChristinaH on Jan 7, 2022
This stuff is wonderful! We’ve tried almost every flea medication and treatment out there. This is the only one that works on pesky VA area fleas.
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Chewy staff is awesome
By Anita on Nov 26, 2021
My vet no longer carries this item and is pretty much old school so I walked out of the vets office with a paper script and chewy helped me all the way through getting it to them filled and returned. And they kept me informed along the way
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Sentinel for dogs
By Sharbo on Nov 12, 2021
I like this product to keep ticks off of my dog. Before using this product I had found two ticks on my dog on different occasions. I’m not a fan of removing them. I have used this product for 5 years and have not found a tick.
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Heartworm for Dog
By Kalo on Nov 19, 2021
The veterinarian told me the chewable one has more medicine on it. If that’s true or not I do not know. Will do some research.
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Good precaution for flea control
By Remi on Oct 29, 2021
We have given our dog Sentinel since he was a pup on the advice of the vet. We have never had any flea issues with him. Great insurance against fleas.
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Sweet Mix for us!
By choosymama on Aug 27, 2021
Somewhere, the dogs got a BAD case of worms. ALL of them. The vet recommended Sentinel. That was 8 years ago, and we are still using it every.single.month! We breed our dogs are very concerned about their health and well-being. Sentinel takes that worry off my plate, and autoship from Chewy makes it a solid bark for us, paws down!
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NOT that time again
By Kris on Aug 31, 2021
Like all Dogs one of my Dogs eats it and ask for more. The other spits it out 5 times before she finally gets it down. I don't think it the pill, she don't like much of anything but treats. the treat is hard which i found a little weird. other then that it seems to be doing it job.
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Sentinel tablets for dogs 51to 100lbs
By Patty on Oct 23, 2021
Product came as viewed and on time after I sent the prescription, price is better than at the vets office. Will continue to order from Chewy
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Beware may not work as advertised!
By Mike on Jun 18, 2021
I have a blue heeler he is 15 months old he has been on this product since going to vet and vet said it time to start. We went in for his yearly checkup I WAS TOLDLY SHOCKED TOFIND OUT MY DOG HAS HEARTWORMS. MY dog has been given the pill on the first day of the month since starting.The good thing sentinel said they will pay for treatment that’s good.I don’t know if they would paid without my vets help got records to prove purchase and the age of dog also I have Yorkie he’s been on this product for eight years got purchase records for him as well. If u use this product beware it my leave u as shocked as I was. I have two other Inside dogs on this product as well going to have to have them checked I have a blue heeler he is 15 months old he has been on this product since going to vet and vet said it time to start. We went in for his yearly checkup I WAS TOLDLY SHOCKED TOFIND OUT MY DOG HAS HEARTWORMS. MY dog has been given the pill on the first day of the month since starting.The good thing sentinel said they will pay for treatment that’s good.I don’t know if they would paid without my vets help got records to prove purchase and the age of dog also I have Yorkie he’s been on this product for eight years got purchase records for him as well. If u use this product beware it my leave u as shocked as I was. I have two other Inside dogs on this product as well going to have to have them checked. I live in area where the mosquito infestation is medium. I use product year round. … more
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Great Product
By CEME on Sep 14, 2021
Sentinel is a great product. Have used it for years for my Golden girl, Scout. My vet does not carry this. Happy that Chewy does!
