Onguard Plus Flea & Tick Spot Treatment for Dogs, 5-22 lbs
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Onguard Plus Flea & Tick Treatment for Dogs offers an effective and convenient way to keep your pup protected from pests. This fast-acting topical treatment kills all life stages of fleas and ticks on dogs at least 8 weeks old and ranging from 6 to 22 pounds, and helps control infestations of chewing lice and sarcoptic mange mites. Onguard Plus breaks the flea life cycle and rids your pet of fleas that can cause flea allergy dermatitis. Not only does it wipe out adult fleas, but it keeps new eggs from hatching. This powerful formula keeps killing Brown dog ticks, American dog ticks, Lone Star ticks and Deer ticks that may carry Lyme disease for up to a month. Application is easy—just squeeze this spot treatment onto your pup’s skin between the shoulder blades with the easy-to-use, redesigned applicator. Onguard Plus is long-lasting and waterproof, so it still offers protection even after a bath or if your pup gets caught in the rain. Onguard Plus is manufactured in the USA to bring you the top-quality product and top-notch flea and tick control that you expect for your pets.
Key Benefits- Topical treatment kills all life stages of fleas and ticks on dogs at least 8 weeks old and ranging from 6 to 22 pounds. Controls infestations of chewing lice and sarcoptic mange mites.
- Contains fipronil and (S)-methoprene, formulated to control fleas and ticks. Effective for 30 days and safe for pups 8 weeks and older.
- Breaks the flea life cycle and rids your dog of flea eggs, larvae, pupae and adults. Also kills tick larvae, nymphs and adults.
- Effective against fleas that cause flea allergy dermatitis as well as Brown dog ticks, American dog ticks, Lone Star ticks and Deer ticks that may carry Lyme disease.
- Redesigned applicator makes it easier to apply this long-lasting and waterproof treatment that provides protection even after your dog has a bath or gets wet from the rain or plays in water.
- Manufactured in the USA for the quality and effectiveness you can trust.
(6) applicators each containing 0.023 fl oz (0.67ml)
Precautions
Do not use on cats. Keep out of reach of children. Use only on dogs and puppies weighing up to 22 lbs. and 8 weeks or older. It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Do not allow children to apply product. To prevent harm to you and your dog, read the entire label and package insert before each use. Follow all directions and precautionary statements carefully. Use on dogs only. Do not use on cats, rabbits or other animals.
Onguard Plus is not manufactured by or distributed by Merial Limited. Frontline is a registered trademark of Merial Limited.
Important Information
Fleas rise to the top of your dog's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet.
Onguard Plus works to eliminate fleas in all life stages. If you’re still seeing fleas after application, it may be because your dog has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. Don’t worry, Onguard Plus starts working immediately on any new fleas that get on your dog, eliminating them within 24 hours from contact. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.
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Item Number222827
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Dimensions5.75 x 1.25 x 4.38 inches
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Weight1.76 ounces
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UsagePrevention
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LifestageAdult
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BrandChewy Exclusives
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Breed SizeExtra Small & Toy Breeds, Small Breeds
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Product FormSolution
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Health ConditionFleas, Ticks
Active Ingredients: Fipronil 9.8%, (S)-Methoprene 8.8%
To apply Onguard Plus Flea & Tick for Dogs: Your dog needs to be dry at the time of application and remain dry for 24 hours after application. Place applicator tip through dog's hair to the skin level between the shoulder blades. Squeeze applicator, applying entire contents in a single spot to the dog's skin. Avoid superficial application to the dog's hair. Allow area to dry before touching treated area. Do not apply more than one applicator per dog per treatment regardless of the dog's weight.
Fleas: Kills fleas, flea eggs and flea larvae. Prevents all flea stages (eggs, larvae, pupae) from developing. Kills newly emerged fleas before they lay eggs. Kills fleas which may cause flea allergy dermatitis.
Lice: Rapidly controls infestations of chewing lice.
Mites: Aids in control of sarcoptic mange mite infestations.
Ticks: Kills all stages of ticks (larva, nymph, and adult): Brown dog ticks (Rhipicephalus sanguineus), American dog ticks (Dermacentor variabilis), Lone Star ticks (Amblyomma americanum), Deer ticks (Ixodes scapularis) which may carry Lyme disease.
Frequency of Application Fleas: When used monthly, Onguard Plus Flea & Tick for Dogs breaks the flea life cycle and controls fleas, flea eggs, and flea larva on your dog for up to three months. Although Onguard Plus Flea & Tick for Dogs can control fleas for up to three months, if there is a high risk of re-infestation of fleas on your dog or if the dog has fleas which may cause flea allergy dermatitis, apply this product once a month.
Ticks: Onguard Plus Flea & Tick for Dogs kills larva, nymph and adult ticks that may transmit Lyme disease, Rocky Mountain Spotted Fever, ehrlichiosis, babesiosis, and anaplasmosis for at least one month. For best control of ticks, apply once every month.
Chewing Lice: Onguard Plus Flea & Tick for Dogs kills chewing lice for at least one month. For best control of chewing lice, apply once every month.
Sarcoptic Mites: Applied once a month, Onguard Plus Flea & Tick for Dogs aids in the control of sarcoptic mange mite infestations.
Do not reapply Onguard Plus Flea & Tick for Dogs for 30 days.
One Solution, Powerful Protection
Onguard Plus is a monthly topical spot treatment that helps eliminate fleas and ticks and protects your pet from painful bites and infestations. This flea and tick preventative treatment not only stops ticks and fleas in their tracks, but also prevents the hatching of new fleas and keeps fighting off ticks so your dog can find relief from these pests.

Preventing Fleas at Every Turn
Fleas are not only a nuisance for your pup, but they may also cause bigger problems like flea allergy dermatitis. The best way to prevent and eliminate a flea problem is to attack them at all life stages, which Onguard Plus does efficiently.
Flea finds a home
Once on your cat, it bites to feed within just 2 hours.
Eggs are laid
In 2 days, an adult flea will lay eggs.
Eggs hatch into larvae
Eggs fall off your pet, scatter around the home, and then hatch.
Larvae turn into pupae
Pupae can wait for up to a year before emerging as adult fleas.
2 Powerful Active Ingredients
Onguard Plus uses two active ingredients that are commonly used to protect dogs from fleas and ticks. Fipronil and (S)-methoprene work together to stop an infestation in its tracks and prevent future ones. Fipronil kills adult fleas, ticks and chewing lice and aids eliminating flea eggs and larvae by disrupting their maturation. Together the two create a highly effective flea and tick preventative treatment.
One-Step Application
These topical flea and tick treatments are easy to apply and effective for up to 30 days. Choose from three treatments or six so you can keep your pet protected. Simply apply it between the shoulder blades of your pet, and the long-lasting solution will keep protecting them from fleas and ticks. The formula is both waterproof and sunlight-proof, so you don’t have to worry about reapplication throughout the month.

Combats Ticks for a Healthy Pet
Onguard Plus is an effective preventative that kills ticks at all life stages and keeps them from coming back. Monthly applications of Onguard Plus can protect your pet from ticks that may carry Lyme disease and Rocky Mountain spotted fever. It kills many of the most common types of ticks that carry these diseases.
About Onguard Plus Flea & Tick
Onguard Plus is dedicated to protecting cats and dogs from the discomfort of disease that come along with flea and tick infestations. That is why they offer efficient and effective flea and tick treatments that will keep your pet happy and healthy. Their monthly solutions for flea and tick prevention are convenient and ideal for busy pet parents who want to spend more time with their pets, not fighting off fleas and ticks.

Customer Reviews
76% Recommend
76% of reviewersrecommend this product
You've Already Reviewed This Item
21 Reviews
Showing 1-10 of 21 Reviews
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Didn't like
By Maximusmom on Feb 19, 2021
Did not work on my dog. Fully infested within 2 weeks after use and my home is flea free. The fleas were less for the first weeks but never gone. Waste of money. This same product(for cats) worked great for my long haired cat.while it did nothing on a short hair pug.
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Always prepared!
By Sashamc on Feb 22, 2021
I generally use rx flea meds for my dog, but there have been issues getting her in for a vet visit and keeping the prescription refilled. So I’m keeping this on hand for backup treatment if I run out of pills. What an affordable option, and super fast shipping!
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Efficient and easy to apply
By AlejandraZavala on Feb 25, 2021
I started using it a couple of weeks ago. Easy application, you just put it between your dog’s shoulder blades all the way to his tailbone. Starts working in 48 hrs. I’m very pleased with the results. We’ll definitely keep using it.
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Great product
By Anthonyp on Feb 24, 2021
This flea treatment will definitely do the job on those nasty fleas. It has the exact same ingredients as frontline plus, at a much cheaper price.. Chewy is a great company to deal with, you won’t be disappointed.
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Works to get rid of fleas
By CyamakAshtiani on Feb 24, 2021
I got this from my toy fox terrier Chihuahua and they have completely eliminated all of us please and he has not experienced any sense I have been regularly giving him these. Highly Reccomend
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Will buy again
By Jaybird on Feb 24, 2021
Love this product! My dogs are allergic to fleas, with pill form the flea has to bite before the pill can work. With spot treatment, it kills flea's before they bite.
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Great flea treatment
By Jennifer on Feb 25, 2021
I love how it is waterproof and shipped really quickly. Can't wait to use it on my dog for flea treatment. This is a convenient way to get your pet meds.
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Good for Flea Management
By Spooliejulie on Dec 8, 2020
I have 4 cats and 6 dogs and I use Onguard each month to control flea issues. I used to use a "name brand" flea medicine and decided to switch to Onguard since it cost less. It works just as good as the name brand! If you have a flea infestation, this medicine will work but you will have to wait out the life cycles of the flea to eradicate the issue. This medicine is great to keep fleas and ticks off of your pets.
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review from my dog Nikki
By itsme on Nov 11, 2020
Don't know where I picked up the initial fleas, none of the other pets have them. My human pet bathed me, made sure I was dry and put some in between my shoulder blades, so I can't get to it. Within 24 hours the fleas and eggs are gone and they haven't come back yet. I feel a lot better. Hope he remembers to keep treating me every month. I love my human pet. He takes good care of me, along with Chewy.
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Give this treatment 48 hours to work!
By CatsRule on Oct 7, 2020
I applied this to my dog and the cat brand to my 3 cats at noon day 1. 24 hours later I used a flea comb and found about 5 large and small fleas on my dog and the same on all my cats. 48 hours later - NO FLEAS! 2 cats and a small dog sleep on a sheet I put on my bed, so waiting to make sure there is no flea dirt in a few days! I do not have a stick of carpet and have monthly pest service but my furry friends are constantly going in and out all day. I live in Sacramento CA and those darn fleas are immune to the Seresto Collars, Advantage II and prescription Vectra! Give this one a shot - the price is low enough that it is not so painful to the pocket book! Good luck!