Best pill Simparica TRIO is our pick for the best flea and tick treatment for dogs in pill form ... medicine available for puppies younger than 6 weeks. OTC products, like Frontline Plus, protect ...

It’s available in three dosing sizes (0-25 lbs., 26-50 lbs., and 51-100 lbs.). Dogs over 100 pounds will need to take the appropriate combination of chews to reach their weight. Dogs must be at ...