OnGuard Plus Flea Tick Spot Treatment 5-22 lbs 6 Doses
Best price now
$20.99at ChewyChecked 6 h ago
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Price facts
- Lowest price today: $20.99 at Chewy (checked Nov 11, 2026).
OnGuard Plus Flea Tick Spot Treatment 5-22 lbs 6 Doses prices at every store
- ChewyNew
In stock
$20.99+ $4.95 shippingChecked 6 h ago
Store links may earn us a commission. Price via Klarna.
OnGuard Plus Flea Tick Spot Treatment 5-22 lbs 6 Doses price history
Lowest price we've seen: $20.99 on Nov 11 at Chewy. Tracked across 1 store since Nov 11.
From Chewy
- Same active ingredients as leading national brands at an everyday value
- Fast-acting treatment and protection for dogs 8 weeks and older weighing 5-22 lbs
- Kills adult fleas, flea eggs, flea larvae, chewing lice, and ticks including deer, American dog, lone star, and brown dog ticks
- Helps break the flea life cycle to prevent new infestations
- Waterproof formula keeps protecting after bathing, swimming, or rain
- Monthly application controls fleas, ticks, and chewing lice for at least one month
- Sizes
- 5-22 lbs, 23-44 lbs, 45-88 lbs, 89-132 lbs
- Materials
- Active Ingredients: Fipronil 9.8%, (S)-Methoprene 8.8%
- Sizing
- Dose by weight: 5-22 lbs uses 0.023 fl. oz; do not apply more than one applicator per dog regardless of weight.
- Care
- Apply to dry skin between the shoulder blades; dog must stay dry for 24 hours after application. Do not reapply for 30 days. Do not bathe within the first 24 ho
- Returns
- Free 365-day returns; if you and your pet aren't 100% satisfied, send items back within a year at no cost.
- Shipping
- In stock with FREE 1-3 day delivery on first-time orders over a minimum.
- Packs
- 3 Doses (3-mos. supply), 6 Doses (6-mos. supply), and 12 Doses (12-mos. supply)
- In the box
- 6 doses (6-month supply)
What buyers say
Buyers like
- Cleared fleas and eggs within 24 hours for some dogs
- Easy to apply with no issues from the smell
- Effective for dogs with sensitive skin; far fewer fleas seen after bathing
- Same ingredients as Frontline Plus at a lower cost
- Kept dogs free of fleas and ticks within about five days
- Worked well for senior dogs and multi-pet homes
Buyers complain about
- Fleas and ticks still found after application; some report infestations
- Dogs kept scratching after application, possibly skin irritation
- Some dogs had small seizures or seemed dazed after use
- Fleas in some regions appear resistant to the ingredients
- Vial can look nearly empty for small dogs, causing confusion
- Effectiveness questioned by first-time users
Questions and answers
- Where is the OnGuard Plus Flea Tick Spot Treatment 5-22 lbs 6 Doses cheapest?
- At Chewy, for $20.99, as of our latest check.
- What do buyers say about the OnGuard Plus Flea Tick Spot Treatment 5-22 lbs 6 Doses?
- Buyers like: Cleared fleas and eggs within 24 hours for some dogs; Easy to apply with no issues from the smell; Effective for dogs with sensitive skin; far fewer fleas seen after bathing. Common complaints: Fleas and ticks still found after application; some report infestations; Dogs kept scratching after application, possibly skin irritation.
