Best Frontline Dog Flea Drops in 2026

Waterproof flea and tick treatment for dogs: Frontline Plus for Dogs provides waterproof, fast-acting, long-lasting flea and tick treatment and control for your dog. This product is approved for use on dogs 23-44 lbs.

Break the flea life cycle with frontline: Frontline flea and tick treatment for dogs kills adult fleas plus flea eggs and larvae to stop existing infestations and prevent establishment of new infestations.

Kills fleas and ticks: Frontline flea and tick treatment for dogs kills fleas, flea eggs, lice, and ticks. This flea and tick treatment kills ticks, including those that may transmit Lyme disease.

K9 Advantix II Large Dog 30-day treatment & prevention protects dogs 21-55 lbs. from fleas, ticks, mosquitoes, biting flies and lice

Kills fleas within 12 hours of application

Vet-recommended formula kills & repels on contact so fleas don’t have to bite your dog to die

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.

EPA approved

23-44 LB Medium Dogs

3 MONTHS * 3 DOSES

6 MONTHLY DOSES OF FLEA TREATMENT FOR DOGS: Each pack of TevraPet FirstAct Plus contains six (6) topical applicators of waterproof flea medicine for dogs that instantly begins to kill and control fleas and flea eggs, larvae, ticks, and chewing lice - and provides continuous protection for up to 30 days after each application

VET QUALITY FORMULA, EASY TO USE: FirstAct Plus uses Fipronil and (S)-methoprene - the same safe and effective active ingredients as Frontline Plus for Dogs. This powerful formula starts to kill fleas and ticks within 24 hours. Simply apply the applicator to the skin on the back of your dog’s neck and the formula will migrate through the skin providing whole-body protection

THE SAME ACTIVE INGREDIENTS AS FRONTLINE - FOR FAR LESS: It's worth repeating: Just like Frontline Plus, FirstAct Plus's powerful active ingredients REPEL and KILL fleas and ticks on contact and stop reinfestations. At TevraPet we firmly believe you shouldn't have to pay the "Brand tax" to protect your dog, and we are committed to providing affordable, veterinarian quality solutions without sacrificing an ounce of safety, effectiveness, or reliability

DOG FLEA AND TICK CONTROL: SENTRY Fiproguard Plus topical flea and tick prevention for 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 (s)-methoprene, the same active ingredients used in FRONTLINE Plus.

FAST-ACTING FLEA TREATMENT: SENRTY Fiproguard Plus is a fast- acting, long lasting topical flea treatment for dogs that stops the flea life cycle and kills flea eggs and larvae for up to 12 weeks.

DOG FLEA AND TICK CONTROL: SENTRY Fiproguard Plus topical flea and tick prevention for 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 (s)-methoprene, the same active ingredients used in FRONTLINE Plus.

FAST-ACTING FLEA TREATMENT: SENRTY Fiproguard Plus is a fast- acting, long lasting topical flea treatment for dogs that stops the flea life cycle and kills flea eggs and larvae for up to 12 weeks.

From the #1 Name in Flea and Tick Protection* *Data on file at Boehringer Ingelheim.

Easy to use flea and tick protection for dogs

Kills adult fleas, flea larvae, flea eggs and ticks

DOG FLEA AND TICK CONTROL: Pro-Sense 5 is for dogs or puppies 12 weeks of age or older, weighing 11-32 lbs.

KILLS AND REPELS: Our flea and tick prevention for dogs both KILLS and REPELS fleas, ticks, mosquitoes, lice and mites, unlike our leading competitor Frontline Plus for Dogs.

FLEA AND TICK PREVENTION FOR DOGS: Prevents reinfestation of fleas and ticks for up to 4 weeks.

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

PETARMOR PLUS IS YOUR TRUSTED, LONG-LASTING, VET-QUALITY TOPICAL FLEA AND TICK PREVENTION FOR YOUR SMALL DOG: Contains the same active ingredients as Frontline Plus for Dogs* 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 Medium Dogs is specially formulated for dogs weighing 5-22 pounds.

VET Recommend Formula: Advanllent flea and tick treatment for dogs uses same active ingredients as Frontline(Fipronil & Methoprene). Which is safe and effective. It's a topical flea medicine for dogs, prohibited orally.

No Biting Required: Different from previous flea and tick prevention for dogs, Advanllent adopts contact to achieve tick and flea control.(Including repel mosquitoes and other biting flies). It means flea and ticks die silently without biting, which prevent Lyme disease.

Break the Flea Life Cycle: Advanllent flea and tick treatment for dogs eliminate flea problems from the root. Truly stop and control infestations from killing adult fleas, flea eggs and larvae.