Fleas can be a major problem for dogs and dog owners. Your pet may be exposed to these blood-sucking parasites anywhere: in your own backyard, when you are on walks or even in your own home. * Each female flea can produce 40 to 50 eggs a day, up to 2,000 in their lifetime * Even a few fleas can turn into a major infestation in a matter of days. Comfortis® is the first FDA-approved, chewable, beef-flavored tablet that kills fleas and prevents flea infestations on dogs for a full month. Only Comfortis® offers you all of these benefits in a single product: * Fast, month-long flea protection o Starts killing fleas within 30 minutes o Lasts a full month * Kills fleas before they can lay eggs * The convenience of a chewable, beef-flavored tablet.