Search  for anything...

PetArmor Plus Flea & Tick Topical Dogs 5-22 lbs, 6-Month

  • Based on 63,230 reviews
Condition: New
Checking for the best price...
$39.74 Why this price?
Save $0.19 was $39.93

Buy Now, Pay Later


As low as $9 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Oct 20
Order within 11 hours and 21 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Style: 5-22 lbs


Size: 6 count


Features

  • 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.

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.

Brand: PetArmor


Item Form: Drops


Scent: No Scent


Item Weight: 4.54 g


Active Ingredients: Fipronil and s-Methoprene


Allergen Information: Allergen-Free


Dog Breed Size: Small


Unit Count: 6 Count


Color: Pack of 6


Age Range (Description): 8 weeks & older


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


Best Sellers Rank: #63 in Pet Supplies (See Top 100 in Pet Supplies) #1 in Dog Flea Drops


#1 in Dog Flea Drops:


Customer Reviews: 4.2 4.2 out of 5 stars (63,230)


Brand Name: PetArmor


Unit Count: 6 Count


Age Range Description: 8 weeks & older


UPC: 073091027652


Global Trade Identification Number: 52


Included Components: Six Monthly Treatments


Item Type Name: Flea Topical


Manufacturer: Sergeants - Pet Care Products


Model Number: 5310


Manufacturer Part Number: 5310


Warranty Description: As Labeled


Item Form: Drops


Scent Name: No Scent


Dog Breed Size: Small


Target Species: Dog


Item Weight: 4.54 g


Allergen Information: Allergen-Free


Active Ingredients: Fipronil and s-Methoprene


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Oct 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Kills fleas, eggs, larvae fast and reliably
Style: 5-22 lbs Size: 6 count
Works great. This stuff is waterproof, fast-acting and easy to use. I trust the formula and it really kills fleas, eggs, and larvae. Highly recommend for quick, reliable flea control.
Reviewed in the United States on October 7, 2026 by Roni

  • Nice alternative to Flea & Tick pills
Style: 5-22 lbs Size: 6 count
Didn’t want to give my ShihTzu a pill that has a lot of side effects. This product seems to work well as this year has been a very hot and bug infested season. No sign of fleas or bites and he likes to sit outside and we walk every evening. I put a reminder in my phone calendar to be sure I stay on schedule as it is a monthly application. The area where drops go can be a bit oily for a few days but I just avoid petting these areas until it disperses. Follow directions and only apply where your dog can’t lick. ... show more
Reviewed in the United States on October 9, 2026 by Amazon Customer

  • The same effective ingredients as the high priced products sold by your veterinarian.
Style: 5-22 lbs Size: 6 count
I’ve been using the product to protect my dog from fleas and ticks for years, and it’s proven to be both safe and very effective. Containing the exact ingredients as the much higher priced formulas sold by veterinary clinics, I get a six month supply for the price of three months if bought from my veterinarian. But low prices mean nothing if the product doesn’t perform, and this performs as well as any of its higher priced competitors. It’s a must have, during the tic season where I live. ... show more
Reviewed in the United States on October 3, 2026 by Curt

  • Good, but not quite as effective as time goes on.
Style: Cats over 1.5lbs Size: 6 count
Every flea treatment is hit or miss with cats, and people complain about the weirdest things, as if these spot on treatments are supposed to radiate some noxious "force" that keeps fleas away. Yes, you're going to see more scratching on the cat after putting this on it. The poison irritates and excites the fleas until they die. This also means 1) you MIGHT see a stronger presence of fleas because they're not expertly hiding deep in the fur or under the armpits or where they usually aren't seen at all, given that their systems are out of whack, and 2) the fleas become more aggressive and bite more, leading to more irritation on the pet. Not only that, but some felines are just flat out allergic to this stuff, and so you take a risk when you go buy things yourself instead of going to a vet. Finally, yes, this product may stop working--fleas build immunity to things just as any other living creature builds immunity to things. Life will always find a way, and this directly targets critical life stages of the flea. When fleas may lay QUITE a lot of eggs in its lifetime, even at 0.01% survival rate, that's more than enough for millions of fleas in a few weeks. You need to switch up your flea medication from time to time. There's a reason doctors will switch up your antibiotics if you have to take a bunch of those. Anyway, this stuff is pretty effective, but it loses 1 star because I'm not convinced yet that this actually fully penetrates the fatty layer in the cat and stays active for a whole month. It seems like after 2 weeks to 18 days or so, it's done. I know this because I've removed fleas at various days with a comb off my cat to see how effective these things tend to be over time. Within the first 2 weeks, all fleas I caught were just dead when I went go check on them later after getting them together. After 3 weeks (21 days), though, every flea was still perfectly fine. Also, my cat gets pretty itchy from irritation after I put it on her. HOWEVER, I ACKNOWLEDGE THIS AS MY CAT'S OWN PERSONAL SENSITIVITY TO IT. She's sensitive to ALL of the spot treatments because it's literally "the skin is absorbing and storing poison." I personally use this flea treatment program to kill fleas: 1) Put on spot treatment 2) Pop in a Capstar the same day, same time as spot treatment 3) Spread food grade diatomaceous earth around the house. Sprinkle some so you get blotches all over the floor, then sweep it all in 4) Spray down the baseboards with a house spray (about 3-4 bottles total to really saturate the base boards) 5) Vacuum every 3 days, laundry same time (whatever I wear and whatever the cats have gotten on) 6) Spray sofa and cat sleeping areas every 5 days Takes 3 weeks of aggressive work, but they'll be gone before the month is over. I live in the Deep South in a poorly sealed trailer with a giant tree and a lake nearby; you bet I'm getting fleas every single spring and summer. ... show more
Reviewed in the United States on August 2, 2017 by David Schweitzer

  • It does what it is supposed to do
Style: Cats over 1.5lbs Size: 6 count
Here on my farm this past summer, the wild rabbit population seem to be overwhelming and rabbits is cute as they are always bring a hoard of fleas. Taking my little Pomeranian outside to do her business she started picking up fleas and transferring them to the house and then transferring them to my cats. And then a flea problem started I treated my cats with this product and a product also from the same company was used to treat my dog. I treated the property with the black flag flea and tick spray and I treat the house with wonder side flea spray that is a spray and play product. That’s safe for animals but can’t use it directly on the animal and it knocked down the flea problem within a month time once you beat the flea cycle everything is perfect and the vet has said he detected no fleas on my animals whatsoever the product does what it says. It’s supposed to do if use properly. ... show more
Reviewed in the United States on October 2, 2026 by Danny

  • Pay less money, get less results.
Style: Cats over 1.5lbs Size: 3 count
I got this when I noticed my cat scratching a bit more than usual and the occasional flea. I applied it and it seemed to help at first but after about a week I noticed his scratching had gotten a bit worse and the fleas started popping up more often. I ended up having to get some prescription strength stuff (nexguard) and flea and tick spray for the house because after a while it was pretty clear this stuff was not very effective. Didn't have health or safety issues and application is very easy. ... show more
Reviewed in the United States on September 11, 2026 by Joshua K. Estes

  • Keeps fleas off my 80lb dog!
Style: 45-88 lbs Size: 6 count
Keeps my 80lb boy tick/flea free. We had a lot of issues with a few different brands but this one seems to be continuously good the past year we have used it! I apply it to him before bed (he sleeps in his own bed) and it’s usually all good and absorbed by the morning. No noticeable scent, skin irritation or any dis-coloring or side effects. I will continue to use it! ... show more
Reviewed in the United States on October 8, 2026 by Ken Layer

  • Review updated 2x over 10 month period; does not work when needed most
Style: 89-132 lbs Size: 6 count
This is the first time I’ve used PetArmor Plus. I usually use Fronline Plus for dogs. This is cheaper, and I have many pets. So, I thought I’d try it. I also used Frontline Plus for dogs, on my cats. I never had a problem. It’s always worked well on both species with no side effects (both Frontline Plus for dogs and Frontline Plus for cats have the same ingredients...some flea meds for dogs cannot be used on cats, and vice versa, because of certain ingredients being dangerous for one or the other). This product is supposed to have the same ingredients as Frontline Plus for dogs. But, I can’t find any feedback yet on people using it on their cats, like they do with the Fronline Plus for dogs. So, I might wait a bit before trying it on my cats, too. It’s cheaper to buy this way and use on dogs and cats instead of buying separately for each species. I found out this little trick from several animal rescue sites that buy packages for large dogs and divide doses depending on weight. You have to know the correct dosage to give and use a capped vial and a syringe (without needle). So, don’t just start doing it without having correct info. As for my dogs, it has been about 2 1/2 weeks on PetArmor Plus, and it seems to be working still. It did take a few days to kill off all their fleas. But, I’d ran out of flea meds, and my pets had fleas when I put this product on them. They usually do not miss monthly doses. So, they haven’t been without it in the past, and probably didn’t have fleas at the time of each monthly treatment. A few fleas got in my house while they were not treated. Pets are doing ok now, and I haven’t seen any fleas. But, it is early November in NC. It’s been cold, but not really cold. It still gets up to upper 50’s often, and low 60’s on occasion, and gets down to upper 40’s. It’s only got into 30’s a few times. Not as many fleas are hanging around outside. But, fleas have not been killed out by freezing temps yet this season. Overall, I think it seems to be working pretty well. I’m giving 4 ⭐️ since it seemed to take a few days to get rid of fleas. Frontline Plus works quicker. I will continue to use this because of cost-effectiveness if it holds up. I hope to find feedback on giving it to cats soon, too. 😉 Update: it is end of February 2019, we are getting many days of 60 degree weather again. So, we’ve been seeing some fleas here and there, here in NC. This product lasts about 3 weeks, give or take...not quite a whole month. Indoor environment is always warm. Obviously, fleas like warm environments. So, we’ve had to continue giving this because of somewhat mild winter. I didn’t have to give this in January. But, I began again beginning of Feb. I also decided to try this on my cats since Frontline Plus for dogs also works on cats. Both my cats seem to do fine (and have received 2 doses of this so far), like they did with the Frontline Plus for dogs. So, I am able to give this to them, too, without having to buy a separate kind for cats. Again, know your dosing if you decide to do this. I don’t like that this product is quite a bit more oily in the fur, and takes longer to dry than Frontline Plus. The oilyness seems to go away within 24+ hours...not as quickly as Frontline, but I can deal with it. I have 2 chihuahuas that will groom each other, and try to clean it off. I have to keep them separated the day I put this on them (as I did with any other flea med). If they lick it off and ingest it, it will make them sick. So, make sure to keep any pets, that like to groom each other, separated the first day of application. This is why it is supposed to be placed on back of neck, so your pet cannot reach it and lick it off. It will make them sick, as will other flea/tick meds. I have learned these tricks from animal rescue sites. I am not a vet. I’m just sharing how it’s worked for me and my pets. Update: end of Sept. 2019-this stuff has consistently gotten worse with every month. I see less and less effectiveness every month since I started using it. It has continually gotten worse with each month that has passed. June and July was a little bad. Ikeptfibding fleas here and there. But, August and Sept have been the worst after application. It hasn’t helped the cat outside at all. (He was a stray that I give this to for relief. It doesn’t help him. He still has a lot of fleas all the time. It seems to help for a few days to a week at most. Even then, I see him scratching often. My inside dogs are still getting fleas. It did seem to get rid of fleas within a few days after application. But, each month, I would notice more fleas getting on them, and they’d bring them in the house and they would get on my cat, who does not go outside at all. In August, this stuff only worked less than 2 weeks on my pets who live indoors and only go out to potty in our fenced in yard or take walks. When I gave it in August, I noticed it never did completely kill the fleas. I keep finding fleas on each of them. I have to comb them with a flea comb every few days to make sure they don’t get bad. Most of my 4 dogs would usually have 1 or 2 fleas when I’d comb them. But, my dog with long fur had 10-12 last time I combed him, which is a lot. That is not good enough for me. When your pets keep bringing in fleas, they get in your home. Before you know it, they start feeding on us, then get in the carpet, start laying eggs, and hatching more fleas if you’re not careful. I added a pic of my feet that got bit up by fleas a couple weeks ago, because the pets just keep having more and more on them. I haven’t went anywhere or been outside for any period longer than 5 minutes. This happened one night. I noticed itsitting here on the couch. I like to sit here undera blanket. My 2 chihuahuas always get under the covers and lay at my feet. A flea must have jumped off one of them, and decided I was it’s next meal. I looked up flea bites online, which look like the bites on my feet. It’s effectiveness of this stuff had just went downhill all summer. At the height of flea season, which is August and Sept, you don’t want to be using flea prevention that doesn’t work. I gave it 10 months...most people don’t do that. I won’t purchase this again. I’ll be going back to Frontline Plus. ... show more
Reviewed in the United States on November 9, 2018 by nailartShookme

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...