Frontline Spray contains Fipronil and is used in the treatment and prevention of flea (Ctenocephalides species) and tick (Ixodes species) infestations in cats and dogs.

The product can be used as part of a treatment strategy for Flea Allergy Dermatitis in cats and dogs where this has been previously diagnosed by a veterinary surgeon.

The product controls infestations with Trichodectes canis biting lice on dogs, and Felicola subrostratus biting lice on cats.