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Deal.ai › Pets
OnGuard
OnGuard Plus Flea Tick Spot Treatment 23-44 lbs 12 Doses

OnGuard Plus Flea Tick Spot Treatment 23-44 lbs 12 Doses

Last price we saw

$21.52at Chewy, last seen Nov 11

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Price facts

  • Last seen at $21.52 at Chewy on Nov 11.

Our take on the OnGuard Plus Flea Tick Spot Treatment 23-44 lbs 12 Doses

OnGuard Plus is a topical spot-on flea and tick treatment for dogs in the 23–44 lb range, sold as 12 monthly doses (six two-packs). Each dose goes on the skin between the shoulder blades and is claimed to kill fleas and ticks and repel them for a month. It is a budget alternative to vet-channel brands like Frontline Plus and Advantage II, which use well-known active ingredients and have long safety records. Reviews of this type of spot-on are mixed: owners like the convenience and the multi-month supply, but some report skin irritation at the application site and uneven flea control.

Best forOwners of medium-to-large dogs (23–44 lb)Multi-month flea and tick prevention on a budgetDogs that tolerate topical spot-on treatmentsHouseholds treating several dogs at once
Pros
  • 12 monthly doses in one box, so a full year of coverage per dog
  • Simple spot-on application, no pills or collars
  • Targets both fleas and ticks
  • Sized specifically for 23–44 lb dogs
  • Cheaper per dose than most vet-brand spot-ons
Cons

OnGuard Plus Flea Tick Spot Treatment 23-44 lbs 12 Doses prices at every store

  • ChewyNew

    Out of stock

    $21.52+ $4.95 shippingChecked 1 h ago
    Visit Chewy

Store links may earn us a commission. Price via Klarna.

OnGuard Plus Flea Tick Spot Treatment 23-44 lbs 12 Doses price history

Lowest price we've seen: $21.52 on Nov 11 at Chewy. Tracked across 1 store since Nov 11.

What reviewers say

Owners of this type of budget spot-on generally find it easy to apply and good value for a year's supply, but results are inconsistent. Some report fleas returning within weeks, and a minority mention skin irritation at the spot.

What people mention
  • EfficacyMixedSome owners see fleas and ticks cleared for the full month; others find fleas return within a couple of weeks.
  • Skin irritationCriticisedA minority report redness, scratching or a small bald patch at the application site.
  • ApplicationPraisedOwners find the spot-on tube easy to part the fur and apply between the shoulder blades.

Questions and answers

How often do I apply it?
One tube per month per dog. The box holds 12 doses, so it covers a full year for one dog in the 23–44 lb range.
Is it safe for puppies?
Follow the label's minimum age and weight. Spot-ons of this type are usually not for puppies under about 8 weeks or under the stated weight range.
Can I use it on cats?
No. This is formulated for dogs in the 23–44 lb range; dog spot-ons can be toxic to cats.
How does it compare with Frontline Plus or Advantage II?
Those brands disclose well-known actives and have long safety records. OnGuard Plus costs less per dose but has a less transparent formula and more mixed owner reports.
Can I bathe my dog after applying it?
Wait at least 48 hours after application before bathing or swimming, and check the label for how often bathing is allowed afterward.
What is in the box?
Six two-packs, 12 single-dose applicator tubes total, sized for dogs weighing 23–44 lb.

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