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Advecta
Advecta Ultra Flea and Tick for Dogs

Advecta Ultra Flea and Tick for Dogs

4.2· 993 ratings

Best price now

$39.99at Brookside Barkery & BathObserved at 5:09 AM

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Our take on the Advecta Ultra Flea and Tick for Dogs

Advecta Ultra is a monthly topical flea and tick treatment for dogs in the 21–55 lb range. It combines imidacloprid, permethrin and pyriproxyfen to kill adult fleas, ticks, mosquitoes and lice on contact and to stop flea eggs and larvae from developing. The four-dose pack covers four months. At $16.95 at eBay as of November 4, 2026, it sits at the low end of its recent range and is one of the cheapest ways to cover a medium dog for a season.

Best forOwners of medium dogs (21–55 lbs)Budget-conscious monthly flea and tick preventionHouseholds with a flea problem that needs eggs and larvae stoppedDog owners who want a waterproof topical
Pros
  • Three active ingredients cover adults, eggs and larvae
  • Also targets mosquitoes, biting flies and chewing lice
  • Waterproof formula holds up to swimming and bathing
  • Four-month supply for a low per-month cost
  • Kills through contact, so fleas do not need to bite first
Cons
  • Not for cats and toxic to them — keep treated dogs separated
  • Permethrin-based, so avoid on permethrin-sensitive dogs
  • Only for adult dogs; not for puppies under the label age
  • Monthly reapplication needed; dosing by weight must be exact
  • Some dogs show temporary skin irritation at the application site

Advecta Ultra Flea and Tick for Dogs prices at every store

  • Brookside Barkery & BathNew

    In stock

    $39.99Observed at 5:09 AM
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Also available at

  • eBayCheck price at eBay
  • eBayCheck price at eBay
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  • Lowe'sCheck price at Lowe's
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  • Petco.comCheck price at Petco.com
  • DK HardwareCheck price at DK Hardware
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  • Theisen'sCheck price at Theisen's

Advecta Ultra Flea and Tick for Dogs price history

Lowest price we've seen: $24.99 on Nov 4 at Petco.com. Tracked across 11 stores since Nov 4.

What reviewers say

Rated 4.2 out of 5 from 993 ratings, Advecta Ultra gets credit for working as a cheaper alternative to vet-channel brands. Complaints center on application-site irritation and on effectiveness varying by dog.

Pros
  • Noticeably cheaper than name-brand spot-ons
  • Cleared fleas on dogs where owners had an active infestation
  • Easy to apply and dries without a heavy smell
Cons
  • Skin irritation or redness at the application spot on some dogs
  • A few owners report fleas returning before the month is up
  • Greasy residue right after application

Specifications

Targeted Pests
Fleas, Biting flies, Chewing lice, Mosquitoes, Ticks
Active Ingredient
Pyriproxyfen, Imidacloprid, Permethrin
Administration Method
Topical treatment
Life Stage Age
Adult
Treatment Frequency
Monthly
Animal Type
Dogs
Dosage Concentration
0.44% pyriproxyfen
Dosage Duration
1 month
Formulation Type
Topical Solution
Formulation
Waterproof
Lifecycle Targeted
Larvae (fleas), Adults (fleas), Eggs (fleas)
Treatment Type
Treatment, Prevention
Supply Duration
4 months
Supply Amount
.34 fl oz (US), 0.34 fl oz (US)
Weight Range
21-55 lbs
Breed Restrictions
Do not use on cats
Contains
Pyriproxyfen, Imidacloprid, Permethrin

Questions and answers

Is Advecta Ultra safe for cats?
No. It contains permethrin, which is toxic to cats. Never apply it to a cat and keep treated dogs away from cats until the product dries.
How often do I apply it?
Once a month. Each pack has four doses, so one pack covers four months for one dog.
What weight of dog is it for?
This version is for dogs weighing 21–55 lbs. Check the label for the correct size for smaller or larger dogs.
Does it still work after a bath or swimming?
The formula is waterproof, so bathing and swimming should not wash off protection. Wait until the application site is dry before letting the dog swim.
How does it compare with Frontline or Advantage?
It uses imidacloprid (as in Advantage) plus permethrin and pyriproxyfen, so it covers ticks and flea eggs that plain Advantage does not. It is usually cheaper than Frontline, but it is not for cats.
When is the best price?
Multi-pack listings on marketplaces like eBay tend to be the cheapest. The best new price was $16.95 at eBay as of November 4, 2026.
Where is the Advecta Ultra Flea and Tick for Dogs cheapest?
At Brookside Barkery & Bath, for $39.99, as of our latest check.
What do buyers say about the Advecta Ultra Flea and Tick for Dogs?
Rated 4.2 out of 5 from 993 ratings.
Where can I buy the Advecta Ultra Flea and Tick for Dogs?
11 stores we checked sell it, including Brookside Barkery & Bath, eBay, Justin Seed, Lowe's, Tractor Supply Company.