Simparica is a novel isoxazoline parasiticide that kills fleas, ticks and mites. It is a monthly liver-flavored chewable tablet that can be given with or without food.
Simparica starts killing fleas within 3 hours and ticks within 8 hours, for a full 35 days. Simparica doesn’t lose efficacy at the end of the month. Kills fleas before they lay eggs.