Best Advantage Cat Flea Drops in 2026

FAST-ACTING: One oral flea tablet starts killing fleas within 30 minutes of administration.

SAFE TO USE: This oral flea medication is safe for kittens and cats from 2-25 lbs. 4 weeks and older, when used as directed.

TREAT RE-INFESTATIONS FAST: If your pet gets re-invested with fleas simply apply another dose as often as once a day. CapAction Flea Pills are even safe for use on pregnant or breeding cats.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR CATS: PetArmor Plus is a waterproof, flea & tick topical prevention for cats that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Cats. PetArmor Plus for Cats has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Cat Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea & tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea & tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR CATS: PetArmor Plus is a waterproof, flea & tick topical prevention for cats that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Cats. PetArmor Plus for Cats has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Cat Flea Treatment works by effectively breaking the flea life cycle Kill flea eggs and larvae to prevent re-infestation.

DOG FLEA AND TICK CONTROL: PetArmor topical flea and tick treatment kills adult fleas, ticks and chewing lice. Backed by the PetArmor Protection Guarantee.

VET QUALITY FORMULA: Dog flea treatment contains the active ingredient fipronil.

FAST-ACTING FLEA TREATMENT: PetArmor flea treatment for dogs can help you stop an existing flea or tick infestation.

DOG FLEA AND TICK CONTROL: PetArmor topical flea and tick treatment kills adult fleas, ticks and chewing lice. Backed by the PetArmor Protection Guarantee.

VET QUALITY FORMULA: Dog flea treatment contains the active ingredient fipronil.

FAST-ACTING FLEA TREATMENT: PetArmor flea treatment for dogs can help you stop an existing flea or tick infestation.

CAT FLEA AND TICK CONTROL: SENTRY Fiproguard topical flea and tick prevention for cats kills fleas, ticks and chewing lice for up to 30 days.

VET QUALITY FORMULA: SENTRY Fiproguard is a vet-quality formula flea treatment that contains the active ingredient fipronil.

FOR KITTENS AND CATS: PetArmor topical flea treatment for cats and kittens 8 weeks and older for up to 30 days after application and helps prevents infestations of adult fleas.

Country Of Origin: United States

The Package Length Of The Product Is 1.25 Inches

The Package Width Of The Product Is 2.38 Inches

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Max is a fully waterproof, flea & tick topical prevention for dogs that kills and repels fleas, ticks, and mosquitoes for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing the same active ingredients as K9 Advantix II for Dogs, PetArmor Max for Dogs has a powerful formula that kills fleas within 12 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may only kill adult fleas, PetArmor Max Dog Flea Treatment works by breaking the flea life cycle. Kills flea eggs and larvae for up to 4 weeks

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Max is a fully waterproof, flea & tick topical prevention for dogs that kills and repels fleas, ticks, and mosquitoes for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing the same active ingredients as K9 Advantix II for Dogs, PetArmor Max for Dogs has a powerful formula that kills fleas within 12 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may only kill adult fleas, PetArmor Max Dog Flea Treatment works by breaking the flea life cycle. Kills flea eggs and larvae for up to 4 weeks

LONG-LASTING PROTECTION FOR LARGE CATS: PETARMOR Advanced 2 topical flea prevention for large cats kills fleas, flea eggs, and flea larvae for up to 4 weeks after application.

CONTAINS THE SAME ACTIVE INGREDIENTS AS ADVANTAGE II FOR CATS*: An affordable alternative to other leading brands.

EFFECTIVE QUALITY FORMULA: PETARMOR Advanced 2 topical for outdoor and indoor cats kills fleas within 12 hours of application.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea and tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.

CAPSTAR IS YOUR FAST-ACTING ORAL FLEA TREATMENT FOR YOUR CAT: Start killing fleas within 30 minutes with one easy non-prescription tablet. CAPSTAR oral tablet is specially formulated for cats and kittens 2-25 pounds.

PETARMOR PLUS IS YOUR TRUSTED, LONG-LASTING, VET-QUALITY TOPICAL FLEA AND TICK PREVENTION FOR YOUR CAT: Contains the same active ingredients as Frontline Plus for Cats* that starts killing fleas and ticks within 24 hours of application and should be applied every 30 days to prevent reinfestations. PetArmor Plus Flea and Tick Waterproof Topical Protection for Cats is specially formulated for cats and kittens 8 weeks and older, over 1.5 pounds.

DOG FLEA AND TICK CONTROL: PetArmor Plus topical flea and tick prevention for medium dogs kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

VET QUALITY FORMULA: This vet-quality formula flea treatment contains fipronil and begins killing fleas & ticks within 24 hours.

FAST-ACTING FLEA TREATMENT: PetArmor Plus is a fast-acting topical flea treatment for dogs that works by breaking the flea cycle, and killing flea eggs and larvae for up to 12 weeks.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea & tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.

EFFECTIVE, WATERPROOF FLEA TREATMENT FOR DOGS: PetArmor Plus is a waterproof, flea and tick topical prevention for dogs that kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.

TRUSTED, VET QUALITY FORMULA: Containing fipronil and (S)-methoprene, the same active ingredients as FRONTLINE Plus for Dogs. PetArmor Plus for Dogs has a powerful formula that starts to kill fleas within 24 hours.

BREAK THE FLEA CYCLE: Unlike other flea and tick treatments that may temporarily suppress flea activity, PETARMOR Plus Dog Flea Treatment works by effectively breaking the flea life cycle. Kill flea eggs and larvae to prevent re-infestation.