Simparica Chewables

Simparica (Sarolaner) chewables are safe, monthly flea and tick protection for dogs that start working fast and remain effective all month long. They start killing fleas within 3 hours and ticks within 8 hours, and it keeps going tstrong for 35 days without losing effectiveness at the end of the month. It's a great tasting chewable tablet given orally once a month.