Fipronil and imidacloprid were both banned ... In my opinion, preventative flea treatment is neither necessary nor desirable ...

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 ...

Scientists are calling for the Government to reassess the environmental risk of pesticides used in flea and tick treatments.

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 ...