Sentry® FiproGuard® Plus for dogs contains fipronil and (S)-Methoprene, an insect growth regulator (IGR), to effectively kill
fleas and ticks, including those that may transmit Lyme disease. The active ingredients in this product feature a sustained release
formula developed for fast-acting and long-lasting control of fleas, ticks and chewing lice for up to four weeks on dogs. Kills
fleas, flea eggs, flea larvae, ticks and chewing lice. Breaks the flea life cycle. Kills flea eggs and flea larvae for upto 12
weeks. Stops and prevents infestation of listed pests for 4 weeks. Kills adult fleas, which may be a source of flea allergy
dermatitis. Prevents all stages of the flea life cycle from developing. Kills all stages of deer ticks, including those that may
transmit lyme disease. Kills brown dog ticks, american dog ticks and lone star ticks. Rapid elimination of chewing lice
infestation. Controls mites that may cause sarcoptic mange. Can be used on puppies 8 weeks of age and older. Can be used on
breeding, pregnant and lactating female dogs. Fast acting. Long-lasting. Waterproof. For 4 - 22 lb and over 8 weeks dogs and
puppies.