And OTC products, like Frontline Plus, protect against additional parasites such as ticks and lice but not heartworms. Heartworm prevention medications always require a veterinary prescription.

Popular flea and tick products were sent to a certified lab, which found that: Frontline Plus for Dogs, a popular topical flea and tick product, contains 2,390 parts per trillion (ppt) of four ...

Frontline Plc is an international shipping company, which engages in the ownership and operation of oil and product tankers. It also offers the seaborne transportation of crude oil and oil products.