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PetArmor Flea Tick Treatment for Dogs

PetArmor Flea Tick Treatment for Dogs

3.8· 1,400 ratings

Best price now

$14.88at Chewy.comObserved at 5:09 AM

29% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Our take on the PetArmor Flea Tick Treatment for Dogs

PetArmor Flea & Tick Treatment for Dogs is a spot-on topical that uses 9.70% fipronil, the same active ingredient as Frontline, to kill fleas, ticks and chewing lice for up to 30 days per dose. This pack covers dogs 45–88 lbs with three monthly doses, and the formula is waterproof and fast-acting. At $14.88 at Chewy.com as of November 4, 2026, it sits at the low end of its recent range and is one of the cheapest fipronil options per dose.

Best forOwners of medium-to-large dogs (45–88 lbs)Budget-minded flea and tick preventionMulti-month supply for one dogHouseholds already using fipronil products
Pros
  • Same active ingredient as Frontline at a lower price
  • Three monthly doses per pack
  • Waterproof once dry
  • Kills fleas, ticks and chewing lice
  • Odor-free formula
Cons
  • Only covers dogs 45–88 lbs in this pack
  • Not for cats — toxic to them
  • Does not kill flea eggs or larvae
  • Some dogs show skin irritation at the application site
  • Flea resistance to fipronil is reported in some regions

PetArmor Flea Tick Treatment for Dogs prices at every store

  • WalmartNew

    In stock

    $14.88Observed at 5:09 AM
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  • Chewy.comNew

    In stock

    $14.88Observed at 5:09 AM
    Visit store
  • eBayNew

    In stock

    $20.83Observed at 5:09 AM
    Visit store
  • PetCareRxNew

    In stock

    $22.55Observed at 5:09 AM
    Visit store

Also available at

  • Petco.comCheck price at Petco.com
  • BimBimPetCheck price at BimBimPet
  • Hy-VeeCheck price at Hy-Vee

PetArmor Flea Tick Treatment for Dogs price history

Lowest price we've seen: $14.88 on Nov 4 at Walmart. Tracked across 7 stores since Nov 4.

What reviewers say

Ratings average 3.8 out of 5 from about 1,400 reviews. Many owners report it works as well as pricier brands for routine flea and tick control, while others describe lingering fleas or skin reactions at the spot-on site.

Pros
  • Effective flea and tick control for many dogs
  • Cheaper than vet-brand fipronil products
  • Easy monthly application
  • No strong smell
Cons
  • Fleas returning in some cases
  • Redness or itching at the application site
  • Not effective for every dog
  • Packaging and dosing complaints

Specifications

Targeted Pests
Ticks, Chewing lice, Fleas
Active Ingredient
fipronil
Administration Method
Topical, Topical solution
Life Stage Age
All Lifestages, Adult, at least 8 weeks old
Treatment Frequency
Monthly
Dosage Concentration
9.70% (Fipronil)
Dosage Duration
Up to 30 days
Formulation Type
Topical Solution, Spot-on
Formulation
Waterproof, Fast-acting
Lifecycle Targeted
Adult fleas
Animal Type
Dogs
Suitable For Health Status
Skin u0026 Coat Care, Skin Care
Treatment Type
Treatment
Supply Duration
3 month supply
Supply Amount
3 Doses
Weight Range
45-88 lbs
Breed Restrictions
Do not use on cats
Contains
Fipronil
Free Of
Powder-Free
Package Type
Pack
Scent
Odor-Free

Questions and answers

Is PetArmor the same as Frontline?
Both use fipronil as the active ingredient, but concentrations and inactive ingredients differ. PetArmor is generally cheaper per dose and is not a Frontline-branded product.
Will it kill fleas already on my dog?
Yes, it kills adult fleas and ticks for up to 30 days per dose. It does not kill flea eggs or larvae, so an infested home may need vacuuming and environmental treatment too.
Can I use it on cats?
No. Fipronil spot-ons labeled for dogs should not be used on cats, and this product is explicitly not for cats. Use a cat-specific product instead.
How often do I apply it?
Once a month, with each dose lasting up to 30 days. The three-dose pack covers about three months for one dog.
Is it waterproof?
Yes, the formula is waterproof once dry, so swimming and bathing are fine after it sets. Avoid bathing the dog for about 48 hours after application.
When is the best time to buy?
Flea and tick products often drop in price outside peak spring and summer months. At $14.88 at Chewy.com as of November 4, 2026, this is already near the low end of its recent range.
Where is the PetArmor Flea Tick Treatment for Dogs cheapest?
At Chewy.com, for $14.88, 29% under what the other stores charge, as of our latest check.
What do buyers say about the PetArmor Flea Tick Treatment for Dogs?
Rated 3.8 out of 5 from 1,400 ratings.
Where can I buy the PetArmor Flea Tick Treatment for Dogs?
7 stores we checked sell it, including Walmart, Chewy.com, eBay, PetCareRx, Petco.com.

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