Safe for cats 14 weeks of age or older and 4.1 pounds of body weight or greater.

Safe for dogs 14 weeks of age or older and 5.0 pounds of body weight or greater.

One chew, every month.

Administer one tablet of Comfortis once every month to provide year-round protection. Comfortis is approved for use in cats 14 weeks of age or older and 4.1 pounds of body weight or greater. It’s safe for dogs 14 weeks of age or older and 5.0 pounds of body weight or greater. Refer to the color-coded chart below, which matches the packaging, to see the amount of active ingredient found per tablet for the corresponding weight range.