Cat and dog owners have been issued an urgent flea warning this summer The surge in counterfeit animal medicine follows a vet warning for fleas this summer.

The best flea and tick treatments and prevention for cats are prescription and OTC medicines. Our top picks include Revolution, Frontline and Seresto.

A Preston man has warned other pet owners of the dangers posed by counterfeit flea treatment after her cat almost died.

The best flea and tick treatments for dogs are vet-approved. This guide includes oral and topical products available without a vet prescription.