Toxic chemicals in pet flea treatments harming wildlife, UK study warns
A UK study warns that toxic chemicals in pet flea treatments are harming wildlife and potentially affecting human health. The chemicals fipronil and imidacloprid, banned for use as pesticides, are causing irreversible damage to aquatic life and bird populations. Urgent government action is needed to limit these harmful substances, as their presence in the environment is linked to declining wildlife and cognitive issues in children with autism.
- ▪Chemicals banned as pesticides are still used in flea treatments, harming wildlife.
- ▪Fipronil and imidacloprid are linked to lower cognitive scores in children with autism.
- ▪The government is urged to conduct an environmental risk assessment and consider banning these flea treatments.
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Chemicals that are banned for use as pesticides but still used in flea treatments are harming wildlife, says a study. Photograph: Simon Leigh/AlamyView image in fullscreenChemicals that are banned for use as pesticides but still used in flea treatments are harming wildlife, says a study. Photograph: Simon Leigh/AlamyPetsToxic chemicals in pet flea treatments harming wildlife, UK study warnsFlea treatment chemicals fipronil and imidacloprid also implicated in lower cognitive scores in children with autismMatthew TaylorThu 21 May 2026 01.00 EDTLast modified on Thu 21 May 2026 01.01 EDTSharePrefer the Guardian on GoogleToxic chemicals found in pet flea treatment are devastating wildlife in rivers, parks and special conservation areas and the government should take urgent action to limit…
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