Simparica Trio for dogs is an FDA-approved preventative medication given once monthly to protect dogs against certain types of parasites. It is only available by prescription through your pet’s ...

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 ...

The drug, branded as Credelio Quattro, is a single, monthly chewable ... for dogs include Boehringer Ingelheim's Nexgard Plus and Zoetis' (ZTS.N), opens new tab Simparica Trio, which offer ...