Sentinel Tablet for Dogs, 51-100 lbs, (White Box), 6 Tablets (6-mos. supply)
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.
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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BrandVirbac
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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
95% Recommend
95% of reviewersrecommend this product
You've Already Reviewed This Item
144 Reviews
Showing 1-10 of 144 Reviews
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Doesn't actually control fleas - read the fine print!
By BassetMum on Feb 10, 2021
My dog has very sensitive skin which reacts terribly to fleas, and doesn't do well with topical treatments. So I thought this product would be a good option to combine flea control with heartworm prevention. I was wrong. Granted, the fine print does state that this product affects flea eggs (as opposed to adults) and that an adulticide may also be needed, but the manufacturer's advertising message is misleading. My poor dog got fleas despite being on this medication, and I needed to treat him with additional top-spot flea medicine which defeated the purpose (and additional expense) of this "combination" product. I have cancelled my auto-replenishment and will ask my vet for a different heartworm My dog has very sensitive skin which reacts terribly to fleas, and doesn't do well with topical treatments. So I thought this product would be a good option to combine flea control with heartworm prevention. I was wrong. Granted, the fine print does state that this product affects flea eggs (as opposed to adults) and that an adulticide may also be needed, but the manufacturer's advertising message is misleading. My poor dog got fleas despite being on this medication, and I needed to treat him with additional top-spot flea medicine which defeated the purpose (and additional expense) of this "combination" product. I have cancelled my auto-replenishment and will ask my vet for a different heartworm medication when this box runs out. … more
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Sentinel- Heartworm/Flea meds
By Enzosdad on Feb 9, 2021
We use Chewy because they have the heartworm/flea meds (Sentinel) that we prefer to give our dog, Enzo. They are the real medicine, not expired and have the lowest price. Plus they have scheduled/recurring shipping available. And to make things better, they even verify the prescription with our vet for us.
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Easy to swallow
By Margaret on Mar 3, 2021
This tablet is easy for my dog to swallow... unlike other prescriptions that she also needs to take in which I have to cut in half and lather with butter for swallowing.
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Vet approved for special diet puppy
By Luger on Nov 25, 2020
New puppy has food allergies and vet said that he could do unflavored Heartguard or Sentinel(if we wash the flavored coating off). Unflavored Heartguard was back ordered everywhere! Tried the sentinel, easy to wash off flavor coating and puppy liked it anyway and tolerated it just fine. Chewy prices are better than other sources too
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DOES NOT WORK FOR FLEAS
By kittynogo on Oct 20, 2020
I switched to this because I thought it would be easier for my dog to take. Turns out this medication does not kill adult fleas. I noticed my dog being more itchy, ran my fingers through her hair and she has a lot of adult fleas on her. Waste of money. I am disappointed.
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as expected
By dragon on Dec 11, 2020
it's exactly what I ordered, no issues. The vet's office prescribed it and I just set up on auto renew so I cannot forget to purchase it.
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Terrible Service
By Nikey on Sep 27, 2020
Ordered 9/10, Vet approval 9/12 . no communication from Chewy. I called and they told me the script couldn't be read. My copy from the Vet was clear. Chewy said they had to contact the Vet again and couldn't use my clear copy. Again no communication from Chewy. I called again, Promised return calls never happened. I finally got the package 9/26.
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It's the same as the vet's
By SNAFU on Nov 22, 2020
It's the same as the vet's, only cheaper. What more can I say and you people want me to stretch it out to fifty words? Be happy with what you get.
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The Savings!!!!
By PennyPincher on Dec 4, 2020
I was able to purchase the exact same med from Chewy that VetFirst was selling for approximately half the price. Yippy!
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Price increase
By Maverick on Oct 13, 2020
Good product. I have been using it on my dog for years. The reason i give it a four star is because they cost has increased by $20 within the last 6 months. Why such drastic up charge!
