Fipronil and imidacloprid were both banned ... In my opinion, preventative flea treatment is neither necessary nor desirable in most cases. Most dogs and cats don't have fleas.

Fipronil is a popular pesticide, often used to de-flea household pets such as dogs ... which is alleged to have sold the treatment to a Dutch poultry farm cleaning company, Chickfriend.

Fipronil kills adult fleas and ticks ... Minimum age and weight: Flea treatments are intended for dogs above a minimum age and weight. Your options for a very young puppy will be more limited ...

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 ...

There is concern that anti-flea and tick treatments are washing into watercourses ... and another neonicotinoid, fipronil, was detected in 98% of samples. Further research published earlier ...