Add-on: pocket tick-removal toolFlea & tickThe Tick Key
The Original Tick Key Tick Remover
Add-on tool for removing attached ticks. It does not prevent fleas or ticks
Flea & Tick Prevention
Best long-duration OTC collar option
Seresto Flea & Tick Collar for Dogs Over 18 lbs
Seresto
Budget tier: $$
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Collar listed for up to 8 months of flea and tick protection for dogs over 18 lbs
Our take
The Seresto large-dog collar is listed for up to 8 months of flea and tick protection for dogs over 18 lbs, with imidacloprid and flumethrin as the listed active ingredients. The EPA has received incident reports for Seresto collars; ask your vet. This is shopping guidance, not veterinary advice: confirm fit, follow the label, and buy from reputable sellers to avoid counterfeits.
Who it's for: Dogs over 18 lbs whose vet is fine with a collar-style preventive.
Skip if: You have an active infestation, sick pet, or are unsure about drug interactions — contact your veterinarian instead of DIY dosing.
Pros
- Listed for up to 8 months per collar
- No monthly topical to apply
- Active ingredients named on the listing (imidacloprid, flumethrin)
Cons
- The EPA has received incident reports for Seresto collars; ask your vet
- Counterfeits are common on marketplaces; check the seller
Specs
- Form
- OTC flea/tick collar
- Size focus
- Dogs over 18 lbs (verify label)
- Framing
- Retail prevention gear — not vet advice
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Seresto Flea & Tick Collar for Dogs Over 18 lbs