Best long-duration OTC collar optionFlea & tickSeresto
Seresto Flea & Tick Collar for Dogs Over 18 lbs
OTC collar marketed for months of flea/tick control — buy from reputable sellers; not a substitute for vet care
About $45–$65

Best OTC collar option sized for cats
Seresto
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Cat-labeled Seresto collar — use only products labeled for cats; never assume dog gear is safe
About $40–$60
Cats need cat-labeled parasite products. Seresto's cat collar is an OTC option some owners prefer to monthly topicals. Read the breakaway/safety details on the label. This is not veterinary advice — ask your vet which prevention fits indoor/outdoor lifestyle and health history. Avoid counterfeit collars.
Who it's for: Cat owners comparing OTC collar prevention after reading the cat label.
Skip if: Active infestation, kittens below label age/weight, or medical uncertainty — contact your veterinarian.
Alternatives with different tradeoffs — not clones of the same pitch.
Best long-duration OTC collar optionFlea & tickSeresto
OTC collar marketed for months of flea/tick control — buy from reputable sellers; not a substitute for vet care
About $45–$65
Best pocket tick-removal toolFlea & tickThe Tick Key
Simple leverage tool to remove attached ticks — then monitor the bite site and call a vet if your pet gets sick
About $8–$15