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Pet Health Library

Medications & Supplements

  • Fipronil is used topically to treat flea, tick, and chewing lice infestations. Side effects are uncommon but may include skin irritation at the application site. Do not use this product on pets less than 8 weeks old, geriatric pets, or sick/weak pets.

  • Fipronil with cyphenothrin and s-methoprene, topical (brand name Frontline® Tritak for dogs), is a medication used to treat and control fleas, ticks, and chewing lice in dogs and puppies 12 weeks of age and older and weighing more than 1.8 kg (4 lb). It may also be used as a treatment of sarcoptic mange. Avoid use in rabbits, other small mammals, and cats.

  • Fipronil with cyphenothrin, topical (brand name Parastar® Plus for dogs), is a medication used to treat and control fleas, ticks, and chewing lice in dogs and puppies 12 weeks of age and older and weighing more than 1.8 kg (4 lb). It may also be used to treat sarcoptic mange. Avoid use in rabbits, other small mammals, and cats.

  • Fipronil with dinotefuran and pyriproxyfen, topical (brand name Catego® for cats), is a medication used to treat and control fleas, ticks, and chewing lice in cats and kittens 8 weeks of age and older and weighing at least 0.7 kg (1.5 lb). Fipronil with dinotefuran and pyriproxyfen comes in topical, spot-on forms.

  • Fipronil with etofenprox and s-methoprene, topical (brand name Frontline® Tritak for cats), is a medication used to treat and control fleas, ticks, and chewing lice in cats and kittens 12 weeks of age and older. Avoid use in rabbits and other small mammals.

  • Fipronil with etofenprox, topical (brand names Fiproguard® Max, Pronyl® OTC Max), is a medication used to treat and control fleas, ticks, and chewing lice in cats and kittens 12 weeks of age and older. Avoid use in rabbits and other small mammals.

  • Fipronil with permethrin, topical (brand name Effitix®), is a medication used to treat and control fleas, ticks, and chewing lice in dogs and puppies 8 weeks of age and older and weighing more than 2.3 kg (5 lb). Fipronil with permethrin topical is also labeled for repelling biting flies and for repelling and killing mosquitoes. It may also be used as a treatment of sarcoptic mange in dogs.

  • Fipronil with s-methoprene and amitraz (brand name Certifect®) is a topical medication used to treat and control fleas, ticks, and chewing lice in dogs and puppies 8 weeks of age and older, weighing more than 2.3 kg (5 lb). It is also used to aid in the control of sarcoptic mange and mites in dogs and puppies 8 weeks of age and older, weighing more than 2.3 kg (5 lb).

  • Fipronil with s-methoprene and pyriproxyfen, topical (brand name Frontline® Gold), is a medication used to treat and control fleas and ticks in dogs and puppies 8 weeks of age and older, and to control fleas, ticks, and chewing lice in cats and kittens 8 weeks of age and older and weighing at least 1.36 kg (3 lb). It may be used to treat sarcoptic mange in dogs and cats, as well as chewing lice in dogs.

  • Fipronil with s-methoprene, topical (brand names Frontline® Plus, PetArmor® Pro Advanced, Fiproguard® Max, Fiprotrol® Plus, others), is a medication used to treat and control fleas, ticks, sarcoptic mange mites, and chewing lice in dogs and puppies 8 weeks of age and older, weighing more than 2.3 kg (5 lb). It is also used to treat and control fleas, ticks, and chewing lice in cats and kittens 8 weeks of age and older. It may be used off-label in other species.