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Comfortis Chewable Tablets for Dogs and Cats Rx

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  • Comfortis Chewable Tablets kill fleas and prevents and treats flea infestations (Ctenocephalides felis) on dogs and cats for one month. See Allivet's Flea and Tick chart to find which flea and tick product is best for your pet.

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    What is Comfortis Chewable Tablets for Dogs and Cats?

    Comfortis is a monthly chewable flea tablet that kills fleas and controls flea infestations (Ctenocephalides felis). This easy to administer tablet kills fleas within 30 minutes and provides protection against fleas for 30 days. Comfortis is a prescription medication.

    Who is Comfortis Chewable Tablets for Dogs and Cats for?

    Comfortis is for dogs, puppies, cats and kittens who are 14 weeks of age or older.

    Why use Comfortis Chewable Tablets for Dogs and Cats?

    Comfortis is available as a palatable, beef-flavored tablet loved by cats and dogs alike, making for an easy to administer, no mess application. These chewables work fast – they start killing fleas within 30 minutes and kill them before they can lay eggs on your pet. Comfortis lasts for 30 days and does not wash off with a bath, giving you less to worry about. Plus, Comfortis is environmentally friendly!

    How does Comfortis Chewable Tablets for Dogs and Cats work?

    The primary ingredient in Comfortis is Spinosad which kills fleas by causing excitation of the insect’s nervous system, leading to paralysis and rapid death.

    Generic Brands:

    Spinosad is the generic version of Comfortis.

    Manufacturer:

    Elanco Animal Health

    Active ingredient(s):

    Active ingredient in Comfortis is Spinosad

    How is Comfortis Chewable Tablets for Dogs and Cats sold?

    Comfortis tablets are sold depending on your pets weight and are available in 3 month, 6 month and 12 month supplies.

    What are the side effects of Comfortis Chewable Tablets for Dogs and Cats?

    The most common adverse reaction to Comfortis is vomiting. Other adverse reactions reported in decreasing order of frequency are: depression/lethargy, decreased appetite, incoordination, diarrhea, itching, trembling, excessive salivation, seizures or death.

    What special precautions are there?

    Do not give Comfortis to puppies or kittens younger than 14 weeks of age. Use Comfortis with caution in breeding females and in dogs with pre-existing epilepsy. The safe use of Comfortis in breeding males has not been evaluated.

    What to do if overdose?

    In case of overdose, contact your nearest emergency animal hospital.

    How can I store Comfortis Chewable Tablets for Dogs and Cats?

    Store Comfortis at room temperature (68-77 F).

    Helpful Tips:

    Treatment with Comfortis Chewable Tablets may begin at any time of the year, preferably starting one month before fleas become active and continuing monthly through the end of flea season. In areas where fleas are common year-round, monthly treatment with Comfortis should continue the entire year without interruption.

    Pharmacists are standing by to offer Pet Parent counseling regarding prescription medication purchased from Allivet before and after dispensing. Pharmacists on duty are available Monday-Friday, 9:30AM - 5:30PM EST and will be on call Saturday 12:00PM - 4:00PM EST for consultation.

    Dosage Schedule: Cats over 24 lbs should be administered the appropriate combination of tablets.


    Comfortis Chewable Tablets for Cats

    Cat's Weight

    Spinosad Per Tablet

    Dosage

    2 to 4 lbs

    90 mg

    1 Tab 

    4.1 to 6 lbs

    140 mg

    1 Tab 

    6.1 to 12 lbs

    270 mg

    1 Tab 

    12.1 to 24 lbs

    560 mg

    1 Tab 





    Dosage Schedule: Dogs over 120 lbs should be administered the appropriate combination of tablets. 


    Comfortis Chewable Tablets for Dogs

    Dog's Weight

    Spinosad Per Tablet

    Dosage

    3.3 - 4.9

    90 mg

    1 Tab 

    5 to 10 lbs

    140 mg

    1 Tab

    10.1 to 20 lbs

    270 mg

    1 Tab 

    20.1 to 40 lbs

    560 mg

    1 Tab 

    40.1 to 60 lbs

    810 mg

    1 Tab 

    60.1 to 120 lbs
    1620 mg
    1 Tab 

    Comfortis is manufactured by Elanco Animal Health and contains the active ingredient Spinosad.
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