{"hq_id":"hq-p-pet-000034","name":"Heartworm Prevention Medication (Oral/Topical)","category":{"primary":"pet_care","secondary":"medication","tags":["heartworm","ivermectin","milbemycin","prevention","monthly"]},"product_tier":"PET","overall_risk_level":"low","description":"Monthly heartworm prevention medications for dogs and cats containing ivermectin, milbemycin oxime, moxidectin, or selamectin. FDA-approved veterinary drugs with established safety profiles. Ivermectin is neurotoxic to dogs with MDR1 gene mutation (Collies, Australian Shepherds, Shelties). Human handling risk is minimal but children should not handle.","synthesis":{"derived_risk_level":"high","synthesis_confidence":0.74,"synthesis_method":"compound_composition","context_used":"dog","context_source":"product_users","exposure_modifier":0.722,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":1,"compounds_total":1,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"sensitive_populations":"MDR1-mutant dog breeds (Collie, Australian Shepherd, Shetland Sheepdog)","overall_risk":"low","primary_concerns":["Ivermectin neurotoxicity in MDR1-mutant dog breeds","Children's exposure from handling flavored chewables"],"exposure_routes":"Pet: oral ingestion monthly. Human: incidental handling."},"exposure":{"routes":["oral"],"contact_types":["oral_direct"],"users":["dog","cat","child"],"duration":"minutes","frequency":"monthly","scenarios":["Monthly administration to pet (oral chewable or topical)","Children handling flavored chewables","MDR1-mutant dogs receiving standard doses (breed-specific toxicity)"],"notes":"Ivermectin is safe at heartworm prevention doses (6-12 mcg/kg) for most dogs but toxic to MDR1-mutant breeds at standard doses. MDR1 testing recommended for Collies, Aussies, Shelties before starting prevention."},"consumer_guidance":{"usage_warning":"Test herding breeds for MDR1 gene mutation before starting ivermectin-based prevention. Store securely away from children and pets — flavored chewables may be consumed accidentally.","safer_alternatives":["Milbemycin oxime-based prevention for MDR1-sensitive breeds","Veterinary-prescribed alternatives based on breed testing","Monthly topical prevention (selamectin) for oral-averse pets"],"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":"Milbemycin oxime-based prevention for MDR1-sensitive breeds","notes":"Safer option"},{"name":"Veterinary-prescribed alternatives based on breed testing","notes":"Safer option"},{"name":"Monthly topical prevention","notes":"selamectin) for oral-averse pets"}]},"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":true,"disposal_guidance":"Return unused medication to veterinarian. Do not flush.","hazardous_waste":false,"expected_lifespan":"months"},"formulation":{"form":"varies","key_ingredients":[{"hq_id":"hq-c-org-000179","name":"Ivermectin","role":"active_ingredient","concentration_pct":"0.001-0.01"}],"certifications":[]},"materials":{"common":[{"material_id":null,"material_name":"Primary formulation for heartworm prevention medication (oral/topical)","component":"main product","prevalence":"common","notes":"Standard materials for pet care products."}],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000179","compound_name":null,"role":"active_ingredient","typical_concentration":"0.001-0.01%"}],"identifiers":{"common_names":["heartworm prevention medication (oral/topical)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Heartgard","manufacturer":"Boehringer Ingelheim","market_position":"premium","notable":"Leading heartworm preventative"},{"brand":"NexGard","manufacturer":"Boehringer Ingelheim","market_position":"premium","notable":"Oral flea/tick prevention"},{"brand":"Frontline","manufacturer":"Boehringer Ingelheim","market_position":"mass_market","notable":"Topical flea/tick treatment"}],"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":"fda_ivermectin_human_use","type":"regulatory","title":"US FDA: Ivermectin — Approved Human Use (Onchocerciasis, Strongyloidiasis), Safety at Therapeutic Doses, Veterinary Concentration Overdose Risk, and COVID-19 Misinformation Advisory (2021)","year":2021,"inherited_from_compound":"hq-c-org-000179"},{"id":"who_ivermectin_parasitic_diseases","type":"regulatory","title":"WHO: Ivermectin — Macrocyclic Lactone Mechanism, Human Parasitic Disease Applications, Safety Profile, and Population-Level Mass Drug Administration Experience in Onchocerciasis Control Programs (2019)","year":2019,"inherited_from_compound":"hq-c-org-000179"},{"type":"regulatory","title":"US Food and Drug Administration (FDA)","jurisdiction":"USA","id":"src_82d1cfcd","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-02T18:24:19.604Z"}}