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FRONTLINE Plus for Dogs is a monthly topical spot treatment for small dogs weighing 5 to 22 lbs. It combines fipronil to kill adult fleas and ticks with (S)-methoprene to stop flea eggs and larvae, breaking the flea life cycle. It is waterproof after drying and can be used on puppies from eight weeks old. Owners value the long track record and broad parasite coverage; some report it works slowly on heavy infestations and that fleas can rebound if doses are missed.
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Ratings are solid overall, with most owners reporting fewer fleas and ticks after regular monthly use. Complaints center on slow results in already-infested homes and occasional skin reactions at the spot.
FRONTLINE Plus for Dogs is a topical flea and tick treatment for small breed dogs weighing 5 to 22 lbs. It kills fleas, flea eggs, flea larvae, chewing lice, and ticks that can transmit Lyme disease. It is waterproof and keeps working if the dog gets wet.
The formula contains fipronil and (S)-methoprene. It kills existing adult fleas, flea eggs, and flea larvae, which breaks the flea life cycle and guards against further infestations.
You apply it to a single point on the dog. The treatment covers the entire body and deposits in the sebaceous glands, which act as a reservoir that continuously replenishes it onto the coat. One dose each month protects against fleas and ticks for 30 days. It can be used on puppies as young as eight weeks old that weigh 5 pounds or more.
