{"hq_id":"hq-p-pet-000015","name":"Cat Flea and Tick Topical Treatment","category":{"primary":"pet_care","secondary":"pet_treatment","tags":["cat","flea","permethrin_danger","insecticide","veterinary"]},"product_tier":"PET","overall_risk_level":"high","description":"Spot-on flea and tick treatments for cats (Frontline, Advantage, Revolution, etc.). Active ingredients include fipronil, imidacloprid, selamectin, or flumethrin. CRITICAL: Permethrin-containing dog treatments are LETHAL to cats — permethrin is the #1 cause of poisoning-related veterinary emergency visits in cats. Even residual permethrin from a treated dog can kill a cat sharing the household. Isoxazoline class (fluralaner, sarolaner) linked to neurological adverse events.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.82,"synthesis_method":"compound_composition","context_used":"human_adult","context_source":"default","exposure_modifier":0.85,"vulnerability_escalated":false,"escalation_reason":null,"compounds_resolved":2,"compounds_total":2,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"overall_risk":"high","primary_concerns":["Permethrin in dog products is LETHAL to cats","Cross-contamination from treated dogs to household cats","Isoxazoline class: FDA-reported seizures/ataxia/tremors","Fipronil environmental persistence (aquatic toxicity)","Cat self-grooming causes oral ingestion of topical treatments"],"sensitive_populations":"Cats (permethrin), kittens (<8 weeks), multi-pet households","exposure_routes":"Dermal (application), ingestion (self-grooming), environmental (treated pet contact)"},"exposure":{"routes":["dermal"],"contact_types":[],"users":["cats"],"duration":"lifetime","frequency":"monthly","scenarios":["Dermal contact during handling of Cat Flea and Tick Topical Treatment (lifetime contact)"],"notes":"Applied to skin; cats groom and ingest; permethrin transfer from treated dogs"},"consumer_guidance":{"red_flags":["ANY permethrin product used on/near cats","Dog and cat sharing bedding after dog treatment","Using dog products on cats","Kitten under minimum age/weight"],"green_flags":["Cat-specific product","Fipronil or selamectin (cat-safe)","Vet-prescribed","Separated from treated dogs for 24-48 hours"],"what_to_ask":["Does this contain permethrin? (NEVER for cats)","What is the minimum weight/age?","Is this FDA/EPA registered?"],"alternatives":["Oral isoxazoline (vet-prescribed, with monitoring)","Selamectin (Revolution)","Flea comb + environmental control"],"notes":null},"regulatory":{"applicable_regulations":["EPA registration (fipronil, permethrin)","FDA (isoxazoline class — required label warning)","APVMA (Australia)","EU biocidal products regulation"],"certifications":[],"labeling":{},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":"no (pesticide container)","disposal_guidance":"Hazardous waste; never in regular trash or drain","hazardous_waste":true,"expected_lifespan":"30 days per application"},"formulation":{"form":"topical_spot_on","key_ingredients":[{"hq_id":"hq-c-org-000432","name":"Fipronil","role":"insecticide","concentration_pct":"9-10"},{"hq_id":"hq-c-org-000147","name":"Permethrin","role":"insecticide_DOG_ONLY","concentration_pct":"40-65"},{"hq_id":"hq-c-org-000065","name":"Imidacloprid","role":"insecticide","concentration_pct":"9-10"}],"certifications":["EPA registered","FDA (for isoxazolines)"]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000432","compound_name":"Fipronil","role":"insecticide","typical_concentration":null},{"hq_id":"hq-c-org-000147","compound_name":"Permethrin","role":"LETHAL_TO_CATS","typical_concentration":null}],"identifiers":{"manufacturer":"","common_names":[],"aliases":[],"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Generic Mass-Market Brand B","manufacturer":"Consumer Goods Ltd","market_position":"mass_market","notable":"Popular budget alternative"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Upscale premium positioning"},{"brand":"Professional Brand","manufacturer":"Professional Products Co","market_position":"professional","notable":"Professional/salon-grade option"},{"brand":"Specialty Eco-Brand","manufacturer":"Natural Products Ltd","market_position":"premium","notable":"Sustainable/natural product line"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-23"},{"type":"regulation","title":"EPA registration (fipronil, permethrin)","jurisdiction":"","id":"src_558e2cdb"},{"type":"regulation","title":"FDA (isoxazoline class — required label warning)","jurisdiction":"","id":"src_adb689eb"},{"type":"regulation","title":"APVMA (Australia)","jurisdiction":"","id":"src_16f277e4"},{"type":"regulation","title":"EU biocidal products regulation","jurisdiction":"","id":"src_a4e14073"},{"id":"epa_etoposide_2000","type":"regulatory","title":"US EPA Etoposide: Carcinogenic to Humans; NIOSH Hazardous Drug; Secondary AML Distinct Karyotype; COG LTFU Monitoring Protocol; Germ Cell Tumor Curative Benefit; Pediatric Malignancy Treatment; Hospital Wastewater Detection","year":2000,"inherited_from_compound":"hq-c-org-000432"},{"id":"iarc_etoposide_vol76_2000","type":"iarc_monograph","title":"IARC Monographs Volume 76: Some Antiviral and Antineoplastic Drugs — Etoposide Group 1; Secondary AML 11q23/MLL and 21q22/RUNX1 Translocations; Topo II Inhibition; 1–3 Year Latency; BEP Testicular Cancer Regimen; Pediatric Oncology Use","year":2000,"inherited_from_compound":"hq-c-org-000432"},{"id":"epa_naled_registration","type":"regulatory","title":"US EPA: Naled Registration Review — Dichlorvos Metabolite, ULV Mosquito Control, Bystander Inhalation Risk, Pollinator and Aquatic Ecological Assessment (2016)","year":2016,"inherited_from_compound":"hq-c-org-000147"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-02T18:26:08.863Z"}}