#1 on ASPCA's list of common toxicoses in cats: https://www.aspcapro.org/sites/default/files/zl-vetm0606_339-342.pdf https://www.aspcapro.org/sites/default/file

#1 on ASPCA's list of common toxicoses in cats: https://www.aspcapro.org/sites/default/files/zl-vetm0606_339-342.pdf https://www.aspcapro.org/sites/default/files/zl-vetm0606_339... Study of 286 cat/permethrin cases in London: https://journals.sagepub.com/doi/full/10.1016/j.jfms.2007.05.003 https://journals.sagepub.com/doi/full/10.1016/j.jfms.2007.05... Study of 750 cases in Australia: https://journals.sagepub.com/doi/full/10.1016/j.jfms.2009.12.002 https://journals.sagepub.com/doi/full/10.1016/j.jfms.2009.12... ...we don't track this stuff nearly as well for pets as we do for humans but seems to have pretty robust evidence of toxicity.