When dogs given spot treatments for fleas go swimming, they release levels of pesticides dangerous to aquatic life for at least a month after the treatment ...

Toxic substances used in flea and tick treatments pet owners give to their dogs and cats have been detected in birds' nests, ...

The flea treatments you give your cat or dog may be poisoning the rivers—and it's getting there via your drains. Flea medicines such as fipronil and imidacloprid are parasiticides that kill off ...

The strong correlation between fipronil and imidacloprid levels across the river sites tested suggest that they may be coming from a common source. Rosemary Perkins added: “We’ve identified a number ...

Also supporting that speculation are the facts that 41% of households in the UK have at least one pet, whereas 54% of U.S. households do; most of those are dogs and cats, on which flea treatments are ...

Treatments made with imidacloprid, like K9 Advantix II, not only kill, but repel the parasites, making them more effective at preventing the spread of flea-and-tick-borne diseases.

Insecticides found in flea treatments are making their way into natural bodies of water, killing bugs and, by extension, hurting fish and birds. Learn more.

Researchers at the University of Sussex have found widespread contamination of English rivers with two neurotoxic pesticides commonly used in veterinary flea products: fipronil and the neonicotinoid ...