What Are Frontline Products for Fleas and Ticks in Dogs and Cats? The Frontline line of products (manufactured by Boehringer Ingelheim) includes topical products (products that are applied to the ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. Each Frontline treatment works on dogs, puppies, cats and kittens 8 weeks or older (note: do not use dog treatments on cats and vice versa).

Each Frontline treatment works on dogs, puppies, cats and kittens 8 weeks or older (note: do not use dog treatments on cats and vice versa). You can shop Frontline in 3-, 6- or 8-week doses.