What is Comfortis? Comfortis is a monthly chewable tablet used to kill fleas and indicated for the prevention and treatment of flea infestations in dogs. Its beef flavor is derived from pork protein and hydrolyzed soy.Who is it for? Comfortis is for dogs 14 weeks of age and older.What are the benefits? Comfortis comes in a convenient, beef-flavored chewable Starts to kill fleas within 30 minutes and protection lasts an entire month Spinosad, the active ingredient in Comfortis, is environmentally friendly How does Comfortis work? The active ingredient in Comfortis, spinosad, works on the nervous system of a flea, causing paralysis and death.Is there a generic equivalent available? No.How is it given? Comfortis is a chewable tablet that is given orally with food for maximum effectiveness. If vomiting occurs within one hour of administration, redose with another full dose.Comfortis is preferably started one month before fleas become active and should be given monthly through the end of the flea season. In areas where fleas are common year-round, monthly treatment should continue the entire year without interruption.This medication should only be given to the pet for whom it was prescribed.What results can I expect? Comfortis will start to kill fleas within 30 minutes and it should remain effective for one month. If the pet was already infested with fleas when Comfortis was given, you may see fleas after that period of time as the immature forms of the fleas in the environment hatch.What form(s) does it come in? Comfortis comes in a chewable tablet form.Please click on "More Information" for possible drug and food interactions with this medication.

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