Simparica Trio kills five species of ticks, including Brown dog ticks, Gulf Coast ticks, deer ticks, American dog ticks, and Lone star ticks. Trifexis does not kill ticks or prevent ticks.

Best pill Simparica TRIO is our pick for the best flea and tick treatment for dogs in pill form. The fast-acting chewable tablet kills more parasites than any other oral product. It starts to work ...

These isoxazoline-class products also work similarly in dogs to prevent fleas and ticks. Simparica (sarolaner) chewables only ...