Simparica kills fleas and ticks in dogs. Simparica starts killing fleas within 3 hours and keeps going strong for 35 days without
losing effectiveness at the end of the month. Simparica provides rapid relief for pets with existing flea infestations. Even dogs
with flea allergies have shown improvement with Simparica, also prevents and controls home infestations, killing fleas before they
can lay eggs. Simparica starts killing ticks within 8 hours and keeps going strong for 35 days, without losing effectiveness at the
end of the month. This is important to help reduce the risk of transmission of potentially life-threatening tick-borne diseases.