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How to apply PetArmor Plus on your dogPetIQ- Retail

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PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 6 Doses, Waterproof Topical, Fast Acting (5-22 lbs)

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Style: 5-22 lbs

Size: 6 Count

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Brand	PetArmor
Item Form	Drops
Scent	No Scent
Item Weight	4.99 g
Active Ingredients	Fipronil and s-Methoprene
Allergen Information	Allergen-Free
Dog Breed Size	Small
Age Range (Description)	8 weeks & older
UPC	073091027652
Global Trade Identification Number	00073091027652

Ingredients

Product details

About this item

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea & tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.
TRUSTED, VET QUALITY* FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.
BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle! Kill flea eggs and larvae to prevent re-infestation.
FLEA AND TICK PROTECTION: PetArmor Plus for Dogs flea drops protects your furry family members from brown dog ticks, American dog ticks, Lone Star ticks, and deer ticks (which may transmit Lyme disease).
EASY-TO-USE, LONG-LASTING: PetArmor Plus flea and tick treatment comes with six (6) waterproof topical applications that provide your pet flea protection and control for six (6) months.

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This item: PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 6 Doses, Waterproof Topical, Fast Acting (5-22 lbs)

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PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing in 30 Minutes, Small Dog Flea Treatment 2-25 lbs, 6 Doses

$31.42 ($5.24/count)
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Product details

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.33 x 5.74 x 6.75 inches; 0.18 ounces
Item model number ‏ : ‎ 5310
Department ‏ : ‎ Unisex-Adult
Date First Available ‏ : ‎ November 11, 2016
Manufacturer ‏ : ‎ Sergeants - Pet Care Products
ASIN ‏ : ‎ B01N0BZUXO
Best Sellers Rank: #57 in Pet Supplies (See Top 100 in Pet Supplies)
- #1 in Dog Flea Drops
Customer Reviews:
(59,421)

From the manufacturer

PetArmor plus for dogs

Merchant Video

Q: Can PetArmor Plus be used on puppies? A: Yes, PetArmor Plus is vet-strength protection that’s safe for puppies 8 weeks and older. Choose the correct formula based on your dog’s weight: 5–22 lbs, 23–44 lbs, 45–88 lbs, or 89–132 lbs.

Q: Does PetArmor Plus protect against mosquitoes? A: No. PetArmor Plus is designed to combat fleas, flea eggs, larvae, ticks, and chewing lice. It does not target mosquitoes.

Q: How often should I reapply PetArmor Plus? A: Apply once every 30 days to maintain powerful, uninterrupted protection. Do not reapply more frequently.

Q: How long does it take to work? A: The formula begins acting within 24–48 hours, rapidly neutralizing infestations at the source. For best results, apply directly to the skin and avoid bathing during this window.

Q: How long does it take to dry? A: Drying typically takes 15 minutes to 1 hour. Ensure the product is fully dry before allowing contact with water or other pets.

Q: Is this treatment waterproof? A: Yes. Once dry, it holds up through bathing, swimming, and rain—delivering dependable, long-lasting protection.

Q: Does it have a scent? A: It may have a temporary medicinal scent during application, but it fades quickly once dry.

Q: How does PetArmor Plus work? A: Using fipronil and (S)-methoprene, this formula disrupts all key stages of the flea life cycle—stopping infestations before they can spread. It targets pests on contact and protects your dog from head to tail for a full month.

Q: Do I need a prescription? A: No. PetArmor Plus delivers trusted, vet-quality protection without a prescription—ready to use at home when you need it.

Product Description

Your pets are family, and PETARMOR helps you confidently care for your dog, especially when it comes to flea and tick control. PETARMOR plus flea and tick prevention for small dogs conveniently provides vet-quality protection without the expense of a vet visit. PetArmor Plus topical flea treatment for dogs 5-22 lbs., 12 weeks and older is a waterproof, fast-acting, long-lasting formula that kills adult fleas and ticks plus stops the flea cycle dead in its tracks. This dog tick and flea treatment has the same active ingredients as FRONTLINE® Plus for Dogs. Get nose to tail 30-day protection with each dose at an affordable price. One six-dose package of PetArmor Plus Dog Tick and Flea Treatment offers dog owners six months of continuous coverage for all breeds.

From the brand

Product information

Item Weight	0.176 ounces
Department	Unisex-Adult
Manufacturer	Sergeants - Pet Care Products
ASIN	B01N0BZUXO
Item model number	5310
Customer Reviews	(59,421) 4.2 out of 5 stars
Date First Available	November 11, 2016
Item Package Dimensions L x W x H	5.83 x 4.41 x 1.34 inches
Item Dimensions LxWxH	1.33 x 5.74 x 6.75 inches
Item Weight	4.99 g
Brand Name	PetArmor
Target Audience Keyword	dogs, house-cats
Directions	To apply, remove 1 product tube, cut off the top, and use the open end to part your pup’s hair. Squeeze the tube firmly so that all of the solution is applied to the dog’s skin between the shoulder blades. If the fur around the area still looks greasy 48 hours after application, use a wet washcloth to remove any excess product. Keep treated pets apart from each other, other pets, and children for 24 hours, until the product has time to dry completely.
Country of Origin	United States
Warranty Description	As Labeled
Model Name	PetArmor Plus
Color	Pack of 6
Size	6 Count
Material	Plastic
Age Range Description	8 weeks & older
Number of Items	6
Manufacturer	Sergeants - Pet Care Products
Style	5-22 lbs
Breed Recommendation	Small
Included Components	Six Monthly Treatments
Specific Uses for Product	Parasites

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Important information

Safety Information

Do not use on cats. Keep cats away from treated dogs for 24 hours. If applied to a cat or ingested by a cat, contact your veterinarian

Ingredients

Active Ingredients: Fipronil 9.80%, (S)-Methoprene 8.80%. Other Ingredients: 81.40%. Total 100.00%.

Directions

To apply, remove 1 product tube, cut off the top, and use the open end to part your pup’s hair. Squeeze the tube firmly so that all of the solution is applied to the dog’s skin between the shoulder blades. If the fur around the area still looks greasy 48 hours after application, use a wet washcloth to remove any excess product. Keep treated pets apart from each other, other pets, and children for 24 hours, until the product has time to dry completely.

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Customer reviews

59,421 global ratings

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Customers say

Customers find the flea and tick treatment effective and easy to apply on pets, with a vet-quality formula and no strong smell. The product receives mixed feedback regarding its effectiveness, with some saying it works well while others report it doesn't work at all. Flea control is also mixed, with some saying it keeps fleas away while others note it doesn't kill them. Customers disagree on the product's affordability, with some finding it good value while others consider it a waste of money. Adverse effects are mixed, with some reporting no reactions while others experienced sickness. Customers disagree on the scratching frequency, with some reporting no more itching while others say their pets continue to scratch.

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948 customers mention quality, 698 positive, 250 negative

Customers find this pest control product to be of high quality, with one customer specifically noting its vet-quality formula.

...Fox in that pic he’s sleeping until I took the pic and yes it’s a great product I’ve been using it for years never have problems and the price and...Read more

Good product but only acually works 2 to 3 weeks of 30 days claimed to work.i purchased this 3 times.you cannot treat dog until 30 days is up so im...Read more

Horrible, My poor cat is scratching even worse now and I can't give her anytime next month other than baths .. you're product is very weak.Read more

Excellent product, by why so expensive? If I buy two of these 6 month boxes thats $80. Its only $50 for a 12 month supply at COSTCO.Read more

453 customers mention ease of application, 440 positive, 13 negative

Customers find the flea and tick treatment easy to apply, particularly noting that it is simple to open and use on both dogs and cats.

...The PetArmor Plus Flea & Tick Prevention is fast acting, easy to use, and long lasting. It effectively treats fleas, including their eggs and larvae....Read more

...PetArmor Plus has worked really well for us. It’s easy to apply, and I’ve seen a big difference in how well it keeps pests away — even with our dogs...Read more

...I also appreciate how easy-to-use it is, especially when my dog is active outdoors. It helps end the flea cycle quickly and keeps my dog protected....Read more

...The directions were very clear and easy. It’s a liquid so it comes out fast. The only thing I didn’t like was the smell…it was intense....Read more

4009 customers mention effectiveness, 2004 positive, 2005 negative

Customers have mixed experiences with the flea and tick treatment, with some reporting it works very well and quickly, while others say it didn't work at all or doesn't work on fleas.

DOES NOT WORK! Applied as instructed and my dog still has fleas. My dog rarely gets fleas and is not infested but this medicine clearly doesn't work....Read more

I love this product for my little dog. It works great and lasts a long time. Even in the summer months, I get about 2 months between applications....Read more

Doesn't work. Not sure if they changed the formula but I put this on my dog about 5 days ago and he's completely covered in fleas.Read more

Have used this product for the past few years for my two large dogs. Works well, easy to use and does not have as strong of a chemical smell as some...Read more

2279 customers mention flea control, 1199 positive, 1080 negative

Customers have mixed experiences with flea control: some report no problems with fleas or ticks, while others say the product doesn't kill them and doesn't break the flea life cycle.

Three years counting and no fleas or ticks! I love that I can get the generic for a fraction of the price!Read more

...values are hard to open after 5 minutes after applying it there were no fleas and there was before I put it on the dog didn’t like the smellRead more

...Pests: PetArmor Plus kills adult fleas, flea eggs, flea larvae, ticks, chewing lice, and even controls mites that may cause sarcoptic mange . •...Read more

...After the 3rd month our dog Still has fleas. It's a never ending cycle, so irritated from being bitten all the time. Need something that really works.Read more

1642 customers mention affordability, 1140 positive, 502 negative

Customers have mixed opinions about the flea and tick treatment's value, with some finding it good for the price while others consider it a waste of money.

Great price! So far this is working for my 2 cats! One cat sneaks outside daily so I always worry that he'll bring ticks/fleas in the house....Read more

I'll never recommend this product. I was hoping for a good price and a good product, I received a product which dis nothing but give my cats rashes...Read more

Do not buy this it is a waste of money i used all three on my dog and he still has fleas dont waste your money on this garbage and just buy the name...Read more

...Getting 6 doses for this price is a great value, especially compared to the expensive vet brands. Highly recommend for reliable monthly protection!Read more

485 customers mention scratching frequency, 177 positive, 308 negative

Customers have mixed experiences with the flea and tick treatment: some report their pets no longer itch or scratch, while others mention their animals continue to do so.

...this stuff doesn't work at all, he is scratching like crazy!!!! I think I've learned my lesson. I'll purchased the K9 Advantix ll for my baby too.Read more

...had any toxic effect from it my cat seem tolerated very well no skin irritation for any kind and it does control the fleas and it's last a good long...Read more

...The first night there my pups had fleas and were itching like crazy. Not just one or two. Their bellies are red and pink to the touch....Read more

...it doesn’t work I put it on them and it’s been days and my dogs are still scratching and flea’s still on them I bathed them with flea shampoo before...Read more

294 customers mention adverse effects, 166 positive, 128 negative

Customers report mixed experiences with adverse effects, with some noting no reactions while others mention their pets becoming very sick.

No fleas and ticks. Once a month application. No side effects and much cheaper than other places and the vet. Win in my bookRead more

Doesn't work AT ALL, my boy was covered in flea bites, had an allergic reaction and started losing his hair in patches.Read more

...It works for the furball w/ no adverse reactions. You do have to make sure to reapply every 30 Days. Product arrived earlier than expected. ......Read more

...The following morning she was in really, really bad shape - vomiting, lethargy, shaking and trembling, wouldn’t leave her bed....Read more

234 customers mention smell, 109 positive, 125 negative

Customers have mixed opinions about the product's smell, with some finding it very little, while others report that it smells terrible.

4 stars because this stuff smells terrible but works great. I used this for both my cats who go outside for an hour or less a day....Read more

...Not that I’ve noticed and I have followed directions as instructed. No smell, small, ok quality, scratch resistant, and comfortable for pets....Read more

...to be petArmor for my cat, was not even 1/4 filled (every tube 12) odorless. I don’t believe it was cat treatment for fleas!! Threw it in the garbageRead more

...plus" for years on all my dog rescues because it works well and has no odor like many others have. I currently have a Leonberger & a Boston Terrier....Read more

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Master Jedi
So far so good!
Reviewed in the United States on December 11, 2025
Style: 89-132 lbsSize: 6 CountVerified Purchase

I've been using Frontline Plus for years and years and I must admit it works quite well but it's so very expensive for the amount that I need which is why I decided to try Pet Armor Plus. Besides the fact that it takes a few days to really work as with Frontline Plus it takes about 24 hours the end result is that Pet Armor does just as good of a job as Frontline Plus ever did on my dog... well at least so far... but if the performance keeps up like this I'll never go back to Frontline Plus again.

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Bean Fish
Great value but be careful with longer haired dogs.
Reviewed in the United States on March 11, 2026
Style: 45-88 lbsSize: 3 CountVerified Purchase
Just as was good as the expensive ones at the vet for my dogs. My one goes out a lot. One thing as it is with any drop, check harrier dogs out before letting them in. The ticks tend to catch on the fur before trying get in and could get in sofa so like with any drop for harrier breeds be careful. Easy application and no bad events. Value. And I saved with subscription.

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Jennifer Marcel
Kills flea eggs and larvae
Reviewed in the United States on March 9, 2026
Style: 45-88 lbsSize: 3 CountVerified Purchase
Love that this stuff is waterproof and still effective. The trusted formula gives me confidence, and it actually kills flea eggs and larvae, not just fleas. My dog seemed comfy after application. Only a small nitpick, the applicator is a bit awkward but it works fine. Would buy again.

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Gives_amen
Works as it should as long as your home and yard flea population is controlled first
Reviewed in the United States on August 3, 2018
Style: 45-88 lbsSize: 6 CountVerified Purchase
So I'm going to leave a detailed review in hopes I can really help some people out there who are looking to find flea relief without wasting money on high dollar pet flea topical or pill products monthly just to find they dont seem to be working out too great. Due to prices...alot of people don't seem to consistently use flea products until they start noticing a flea problem. Which is understandable... But by this time...it may already be too late to be able to rely on a pet flea product alone to fix your problem. Which is usually why you wonder "why does my pets flea medicine not seem to be working?!"

First of all....this Product Actually works as it should ...but you most likely won't notice good results unless your home and yard is treated as well. Which is something some people don't tend to realize . Some people just think you give your pet its medicine and everythings good to go and that all fleas disappear. But nope.
This even goes for the most high dollar flea pet application out there. It don't matter what you buy.
Lets start by saying we must Remember...this is not a magic liquid that turns your dogs fur into bug zappers. this won't keep a flea from hopping on. Sadly..there is no flea medicine that just keeps fleas away the same way bug spray will keep a mosquito away from us humans. But if a flea hops aboard Your pet...the flea will only die as long as it comes in contact physically or by blood ingestion of a lethal amount of the insecticide within the medicine...but won't just die instantly. It can take several hours or up to 2 days or possibly even longer for the flea to finally kick the bucket. And its possible they can still end up laying eggs before they die.
So This is mainly just a preventative measure to prevent a flea infestation if your pet, home, and yard has no current flea problems but somehow your pet comes into contact with a stray hitch hiker Joe flea....say from a stray cat or dog swinging through the neighborhood , etc.
Now The insecticide within the medicine itself basically only kills an adult flea. It won't usually kill a flea egg. But The insect growth regulator, that's also within the medicine , is capable of penetrating the egg and doing damage. But its not a 100% guarantee all the time. Eggs can still tough it out and end up hatching.But luckily if the egg survives....the larvae that hatches from the egg won't stand a chance with the growth regulator and never be able to mature. But That's if it comes into contact with the growth regulator. Flea eggs don't attach themselves to pets hair like a lice egg on a human will. Once a flea lays them...the eggs can fall off your pet into the yard or into your carpet or down into couch cushions or small cracks in hardwood flooring....just about anywhere. The egg may have not even stayed on your pet long enough to get enough contact with the medicine to even try to damage it. Which is why its important to treat the home and yard as well. But again..insecticides alone usually don't do nothing for flea eggs. So for inside the home..besides vacuuming thoroughly daily and washing all bedding and whatnot...use a indoor safe insectide mixed with a insect growth regulator around the home anywhere you can possible. This will hopefully target any eggs or larvae and prevent them from ever getting into adulthood along with killing any adult fleas that may be running rampant .
Now lets Say you haven't started treatments yet...and you already have larvae that have matured into the next stage of life (when it turns into the pupae stage...which is when it forms its cocoon before hatching into a jumping adult flea) ... ..insecticides nor insect growth regulators will do damage because they can't penetrate the cocoon of the pupae. So once they get to the pupae stage...basically you have a biting, egg laying adult flea on its way to hatch and there is nothing you can do. Which is why even after doing treatments in the past you may have noticed a couple days later it seemed as though a million fleas came back.
So this leads to me saying that if you already have fleas and you don't treat your yard or home...this product will not likely show results on its own in any reasonable manner.

Also Fleas need to have a blood meal in order to lay eggs... But it don't have to be a pets blood. They can bite us humans as well. If your pet is treated....great...but it don't mean any fleas roaming rampant inside your house will encounter your dog first. Of course some will...but others may encounter you first.....and then lay eggs. And of course we don't wear flea collars or flea medicine. So unless this same flea does happen to encounter your dog or come in contact with treated areas inside your home to get a lethal dose and die before laying its eggs....the next thing you know you got a happy flea who avoided death plus a bunch of babies along the way unless treatments destroy any eggs or larvae before they can mature. So the cycle can become hard to break if you don't properly treat and clean your home to rid of them.
As far as treating the yard ....in my opinion ....its the biggest thing. Because fleas thrive off of warmth and humidity. But as far as treatment. Use liquid. And obviously this means you have to use a sprayer. But you need a good one that can really saturate through the grass and down to the dirt. Them little small sprayers that people use for weed killing products and whatnot wont do you much good.
For yard treatment...don't use them bug killing granules that say they kill fleas. They will. But only the adult fleas and do nothing for the other flea lifestyles . so they do no good for fleas. Also them liquid flea branded yard sprays....don't waste your money. They are garbage. I use bifen xts insecticide. And mix it with tekko pro...which is the
IGR (insect growth regulator). Make sure you are consistent with initial treatments. You can do 2 or 3 once a week back to back treatments of this at first to really fight back and then just maintain it routinely once a month and you should find yourself flea free in the yard.. The products I use are a bit more expensive. But its for a reason.
Once you get your yard and home under wraps ... then this topical product you apply to your pet will do its job and keep hitch hiker Joe from re infesting your property or your home. And it will save you money compared to buying the high dollar topicalss or pills the vet wants to overcharge for.
Hopefully any info I've given can be helpful to anyone interested in buying this looking for flea relief that lasts.

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Rachel R. Dyer
VERY Satisfied Customer 😊
Reviewed in the United States on February 13, 2026
Style: 5-22 lbsSize: 3 CountVerified Purchase
I have two dachshunds and two cats that all come and go out the dog door. I noticed fleas here and there on my long-haired dachshund, and it was frequent enough that I wanted to try and flea prevention before it got any worse. I looked at Frontline and then at this one and it was a no brainer to try the less expensive option, especially with the products being almost identical in comparison. It was very simple to apply and had little to no smell. Within the first 24-36 hours all signs of fleas were gone. I am so happy with this product! I bought the cat version as well and put some on them as well, along with the dog prevention on my other dachshund. Very pleased and will get more,if necessary, in the future.

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6 people found this helpful

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Crystal
Worked a while but failed in end
Reviewed in the United States on October 28, 2025
Style: 5-22 lbsSize: 3 CountVerified Purchase
Used this product for at least 4 months. I am in a hot spot area for fleas and ticks. This stuff worked on my dog for a while then noticed my dog itching obsessively. Upon checking him as we do every month we found fleas. I dont know why it stopped working after months of use but all three of my animals were using this same brand of flea and tick treatment on same day every month and they all have fleas now. May work for you animals but consistently checking your animals during their treatments will help.

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23 people found this helpful

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Erin
Life Saving
Reviewed in the United States on March 6, 2026
Style: Cats over 1.5 lbsSize: 12 CountVerified Purchase
I've been dealing with an invisible biting bug problem for MONTHS. I used a different flea treatment right off the bat, but it made no difference. Assuming that meant it wasn't fleas, I tried treating for pretty much every other biting parasite with no result. My cats were all miserable and I was also getting bit, and everything still pointed to fleas, so I ordered this product as a last ditch effort before looking into other pest control options I really can't afford. It worked SO well. Immediately the biting stopped, and within weeks the cats' skin went back to being healthy, the scratching, biting, and itching was over. I am so beyond grateful.

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PetArmor Plus Flea and Tick Prevention for Dogs, Small Dog Flea and Tick Treatment, 6 Doses, Waterproof Topical, Fast Acting (5-22 lbs)

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