{"hq_id":"hq-p-pet-000049","name":"Flea and Tick Prevention Collar (Seresto-Type, Sustained Release)","category":{"primary":"pet_care","secondary":"pest_control","tags":["flea collar","Seresto","imidacloprid","flumethrin","sustained release","child contact"]},"product_tier":"PET","overall_risk_level":"moderate_to_high","description":"Sustained-release flea and tick prevention collars containing imidacloprid (neonicotinoid) and flumethrin (pyrethroid) in a polymer matrix. Active ingredients migrate through pet's skin lipid layer over 8 months. EPA received 98,000+ incident reports (2012-2020) including 2,500+ pet deaths and ~1,700 human harm incidents, primarily involving children touching the collar.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.82,"synthesis_method":"compound_composition","context_used":"human_adult","context_source":"product_users","exposure_modifier":1.4,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":2,"compounds_total":2,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"sensitive_populations":"children (contact transfer), small dogs and cats","overall_risk":"moderate_to_high","primary_concerns":["98,000+ incident reports including 2,500+ pet deaths (EPA data)","Human harm from contact transfer, especially children touching collared pets","Neonicotinoid (imidacloprid) and pyrethroid (flumethrin) continuous release for 8 months"],"exposure_routes":"Pet: continuous transdermal. Human: dermal contact transfer from pet, child mouthing."},"exposure":{"routes":["dermal"],"contact_types":["skin_prolonged","skin_brief"],"users":["dog","cat","child","adult"],"duration":"continuous","frequency":"daily","scenarios":["Continuous 8-month collar wear by pet","Children hugging and petting collared pets","Toddlers mouthing collar during pet interaction","Collar residue transfer to bedding and furniture"],"notes":"EPA Congressional inquiry (2021) examined 98,000+ incident reports. Bayer/Elanco maintains safety profile within label use. USA Today investigation documented 1,700+ human harm incidents. Active ingredients transfer to pet's skin lipid layer and can transfer to human skin on contact."},"consumer_guidance":{"usage_warning":"Keep children away from direct collar contact. Wash hands after touching collar. Monitor pet for adverse reactions (skin irritation, lethargy, seizures). Report incidents to EPA and veterinarian.","safer_alternatives":["Monthly oral flea/tick prevention (veterinarian-prescribed)","Monthly topical spot-on treatment","Environmental flea control (vacuuming, washing bedding) as supplement"],"red_flags":[{"indicator":"Product not veterinarian-recommended or approved","meaning":"Unverified safety and efficacy for intended use.","action":"Consult veterinarian before use. Choose NASC or VOHC certified products."}],"green_flags":[{"indicator":"NASC quality seal or veterinary recommendation","meaning":"Third-party quality verification and professional endorsement.","verification":"Look for NASC seal, VOHC acceptance, or FDA CVM approval."}],"what_to_ask":[{"question":"Is this product safe for my specific pet species and breed?","why_it_matters":"Species-specific toxicity varies dramatically (e.g., permethrin lethal to cats, xylitol lethal to dogs).","good_answer":"Yes, tested and labeled for your specific species/breed.","bad_answer":"Generic or unspecified species safety."}],"alternatives":[{"name":"Monthly oral flea/tick prevention","notes":"veterinarian-prescribed"},{"name":"Monthly topical spot-on treatment","notes":"Safer option"},{"name":"Environmental flea control","notes":"vacuuming, washing bedding) as supplement"}]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"EPA FIFRA (for pesticide products)","citation":null,"requirements":"Pesticide registration required for flea/tick products. Label directions legally binding.","compliance_status":null,"effective_date":null,"enforcing_agency":"EPA","penalties":null,"source_ref":null},{"jurisdiction":"USA","regulation":"FDA CVM (Center for Veterinary Medicine)","citation":"21 CFR 500-599","requirements":"Animal drugs, feeds, and supplements subject to FDA CVM oversight.","compliance_status":null,"effective_date":null,"enforcing_agency":"FDA CVM","penalties":null,"source_ref":null}],"certifications":[],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":false,"disposal_guidance":"EPA-registered pesticide device — wrap and dispose in regular waste. Do not burn.","hazardous_waste":false,"expected_lifespan":"8_months"},"formulation":{"form":"varies","key_ingredients":[{"hq_id":"hq-c-org-000065","name":"Imidacloprid","role":"active_ingredient","concentration_pct":"10"},{"hq_id":"hq-c-org-000024","name":"Permethrin","role":"active_class_reference","concentration_pct":"4.5"}],"certifications":[]},"materials":{"common":[{"material_id":null,"material_name":"Primary formulation for flea and tick prevention collar (seresto-type, sustained release)","component":"main product","prevalence":"common","notes":"Standard materials for pet care products."}],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000065","compound_name":null,"role":"active_ingredient","typical_concentration":"10%"},{"hq_id":"hq-c-org-000024","compound_name":null,"role":"active_class_reference","typical_concentration":"4.5%"}],"identifiers":{"common_names":["flea and tick prevention collar (seresto-type, sustained release)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Cutter Backyard","manufacturer":"Spectrum Brands","market_position":"mass_market","notable":"Yard mosquito spray"},{"brand":"OFF! Deep Woods","manufacturer":"SC Johnson","market_position":"mass_market","notable":"Mass-market insect repellent"},{"brand":"Thermacell","manufacturer":"Thermacell","market_position":"premium","notable":"Zone mosquito repellent device"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-25"},{"type":"regulation","title":"EPA FIFRA (for pesticide products)","jurisdiction":"USA","id":"src_fa9eaec6"},{"type":"regulation","title":"FDA CVM (Center for Veterinary Medicine) (21 CFR 500-599)","jurisdiction":"USA","citation":"21 CFR 500-599","id":"src_1f46a430"},{"id":"epa_imidacloprid_2020","type":"regulatory","title":"US EPA: Imidacloprid — Preliminary Ecological Risk Assessment and Proposed Mitigation Measures","year":2020,"inherited_from_compound":"hq-c-org-000065"},{"id":"efsa_neonics_2018","type":"regulatory","title":"EFSA: Neonicotinoids (Imidacloprid, Clothianidin, Thiamethoxam) — Assessment of Risks to Bees (Peer Review, Regulation (EU) 2018/783)","year":2018,"inherited_from_compound":"hq-c-org-000065"},{"id":"epa_permethrin_2006","type":"regulatory","title":"EPA: Permethrin Reregistration Eligibility Decision (RED)","year":2006,"inherited_from_compound":"hq-c-org-000024"},{"id":"aspca_permethrin","type":"report","title":"ASPCA Animal Poison Control Center: Permethrin Toxicity in Cats","year":2021,"inherited_from_compound":"hq-c-org-000024"},{"type":"regulatory","title":"US Environmental Protection Agency (EPA)","jurisdiction":"USA","id":"src_defdd418","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-02T18:24:19.665Z"}}