{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-07-02",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 859
    }
  },
  "results": [
    {
      "treated_for_ae": "false",
      "reaction": [
        {
          "veddra_version": "18",
          "veddra_term_code": "2649",
          "veddra_term_name": "Lack of efficacy (ectoparasite) - flea",
          "number_of_animals_affected": "5",
          "accuracy": "Actual"
        }
      ],
      "receiver": {
        "organization": "Food and Drug Administration Center for Veterinary Medicine",
        "street_address": "7500 Standish Place (HFV-210) Room N403",
        "city": "Rockville",
        "state": "MD",
        "postal_code": "20855",
        "country": "USA"
      },
      "unique_aer_id_number": "USA-USFDACVM-2023-US-034146",
      "original_receive_date": "20230718",
      "number_of_animals_affected": "5",
      "primary_reporter": "Animal Owner",
      "number_of_animals_treated": "5",
      "drug": [
        {
          "first_exposure_date": "20230712",
          "last_exposure_date": "20230712",
          "administered_by": "Animal Owner",
          "route": "Oral",
          "dose": {
            "numerator": "1",
            "numerator_unit": "tablet",
            "denominator": "1",
            "denominator_unit": "Animal"
          },
          "used_according_to_label": "true",
          "previous_exposure_to_drug": "false",
          "lot_number": "NOT PROVIDED",
          "brand_name": "MSK",
          "dosage_form": "Tablet, chewable",
          "manufacturer": {
            "name": "MSK",
            "registration_number": "USA-USFDACVM-N141528"
          },
          "atc_vet_code": "QP53BE04",
          "active_ingredients": [
            {
              "name": "Lotilaner",
              "dose": {
                "numerator": "1",
                "numerator_unit": "Unknown",
                "denominator": "1",
                "denominator_unit": "Unknown"
              }
            }
          ]
        },
        {
          "first_exposure_date": "20230604",
          "last_exposure_date": "20230604",
          "frequency_of_administration": {
            "value": "1",
            "unit": "Month"
          },
          "administered_by": "Animal Owner",
          "route": "Topical",
          "dose": {
            "numerator": "1",
            "numerator_unit": "tube",
            "denominator": "1",
            "denominator_unit": "Animal"
          },
          "used_according_to_label": "true",
          "previous_exposure_to_drug": "true",
          "previous_ae_to_drug": "false",
          "lot_number": "NOT PROVIDED",
          "product_ndc": "0859-2345",
          "brand_name": "MSK",
          "dosage_form": "Solution",
          "manufacturer": {
            "name": "MSK",
            "registration_number": "USA-USFDACVM-N141254"
          },
          "atc_vet_code": "QP54AB52",
          "active_ingredients": [
            {
              "name": "Imidacloprid",
              "dose": {
                "numerator": "40",
                "numerator_unit": "Unknown",
                "denominator": "0.40",
                "denominator_unit": "Unknown"
              }
            },
            {
              "name": "Moxidectin",
              "dose": {
                "numerator": "4",
                "numerator_unit": "Unknown",
                "denominator": "0.40",
                "denominator_unit": "Unknown"
              }
            }
          ]
        },
        {
          "first_exposure_date": "20230712",
          "last_exposure_date": "20230712",
          "administered_by": "Animal Owner",
          "route": "Oral",
          "dose": {
            "numerator": "1",
            "numerator_unit": "tablet",
            "denominator": "1",
            "denominator_unit": "Animal"
          },
          "used_according_to_label": "true",
          "lot_number": "NOT PROVIDED",
          "brand_name": "MSK",
          "dosage_form": "Tablet",
          "manufacturer": {
            "name": "MSK",
            "registration_number": "USA-USFDACVM-N141204"
          },
          "atc_vet_code": "QP54AB51",
          "active_ingredients": [
            {
              "name": "Nitenpyram",
              "dose": {
                "numerator": "1",
                "numerator_unit": "Unknown",
                "denominator": "1",
                "denominator_unit": "Unknown"
              }
            }
          ]
        }
      ],
      "health_assessment_prior_to_exposure": {
        "condition": "Unknown",
        "assessed_by": "Veterinarian"
      },
      "onset_date": "20230626",
      "foreign_or_domestic": "Domestic",
      "report_id": "N141528",
      "animal": {
        "species": "Cat",
        "gender": "Unknown",
        "reproductive_status": "Unknown",
        "age": {
          "qualifier": "Unknown"
        },
        "weight": {
          "qualifier": "Unknown"
        },
        "breed": {
          "is_crossbred": "false",
          "breed_component": "Cat (unknown)"
        }
      },
      "type_of_information": "Lack Of Expected Effectiveness",
      "serious_ae": "false",
      "outcome": [
        {
          "medical_status": "Outcome Unknown",
          "number_of_animals_affected": "5"
        }
      ]
    }
  ]
}