{
  "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": [
    {
      "term": "Deafness",
      "count": 296
    },
    {
      "term": "Vomiting",
      "count": 234
    },
    {
      "term": "Anaphylaxis",
      "count": 127
    },
    {
      "term": "Diarrhoea",
      "count": 89
    },
    {
      "term": "Lethargy (see also Central nervous system depression in 'Neurological')",
      "count": 89
    },
    {
      "term": "Loss of hearing",
      "count": 79
    },
    {
      "term": "Lack of efficacy - NOS",
      "count": 73
    },
    {
      "term": "Depression",
      "count": 66
    },
    {
      "term": "Emesis",
      "count": 56
    },
    {
      "term": "Temporary deafness",
      "count": 56
    },
    {
      "term": "Death",
      "count": 54
    },
    {
      "term": "Other abnormal test result NOS",
      "count": 54
    },
    {
      "term": "Pale mucous membrane",
      "count": 54
    },
    {
      "term": "Polyuria",
      "count": 53
    },
    {
      "term": "Anorexia",
      "count": 51
    },
    {
      "term": "Polydipsia",
      "count": 50
    },
    {
      "term": "Pruritus",
      "count": 49
    },
    {
      "term": "Elevated alanine aminotransferase (ALT)",
      "count": 46
    },
    {
      "term": "Ataxia",
      "count": 45
    },
    {
      "term": "Urticaria",
      "count": 45
    },
    {
      "term": "Fever",
      "count": 41
    },
    {
      "term": "Behavioural disorder NOS",
      "count": 40
    },
    {
      "term": "PR-EAR(S), LESION(S)",
      "count": 39
    },
    {
      "term": "Weakness",
      "count": 39
    },
    {
      "term": "Collapse (see also 'Cardio-vascular' and 'Systemic disorders')",
      "count": 38
    },
    {
      "term": "Death by euthanasia",
      "count": 36
    },
    {
      "term": "Elevated serum alkaline phosphatase (SAP)",
      "count": 35
    },
    {
      "term": "Panting",
      "count": 34
    },
    {
      "term": "Partial deafness",
      "count": 34
    },
    {
      "term": "Shock",
      "count": 33
    },
    {
      "term": "Seizure NOS",
      "count": 32
    },
    {
      "term": "Facial oedema",
      "count": 30
    },
    {
      "term": "Bloody diarrhoea",
      "count": 29
    },
    {
      "term": "Leucocytosis NOS",
      "count": 29
    },
    {
      "term": "Weight loss",
      "count": 29
    },
    {
      "term": "Decreased appetite",
      "count": 27
    },
    {
      "term": "Ear discharge",
      "count": 26
    },
    {
      "term": "Lethargy (see also Central nervous system depression in Neurological)",
      "count": 25
    },
    {
      "term": "Elevated blood urea nitrogen (BUN)",
      "count": 24
    },
    {
      "term": "Dyspnoea",
      "count": 23
    },
    {
      "term": "Shaking",
      "count": 23
    },
    {
      "term": "Cyanosis",
      "count": 22
    },
    {
      "term": "Elevated liver enzymes",
      "count": 22
    },
    {
      "term": "Neutrophilia",
      "count": 22
    },
    {
      "term": "Restlessness",
      "count": 22
    },
    {
      "term": "Skin lesion NOS",
      "count": 22
    },
    {
      "term": "Vocalisation",
      "count": 22
    },
    {
      "term": "Dehydration",
      "count": 21
    },
    {
      "term": "INEFFECTIVE, ANTIINFLAMMATORY",
      "count": 21
    },
    {
      "term": "Not eating",
      "count": 21
    },
    {
      "term": "Abnormal radiograph finding",
      "count": 20
    },
    {
      "term": "Facial swelling (see also 'Skin')",
      "count": 20
    },
    {
      "term": "Tachycardia",
      "count": 20
    },
    {
      "term": "Polypnoea",
      "count": 19
    },
    {
      "term": "Recumbency",
      "count": 19
    },
    {
      "term": "Accidental exposure",
      "count": 18
    },
    {
      "term": "Anaemia NOS",
      "count": 18
    },
    {
      "term": "Anxiety",
      "count": 18
    },
    {
      "term": "Medication error NOS",
      "count": 18
    },
    {
      "term": "Alopecia NOS",
      "count": 17
    },
    {
      "term": "Bradycardia",
      "count": 17
    },
    {
      "term": "Elevated creatinine",
      "count": 17
    },
    {
      "term": "Urinary incontinence",
      "count": 17
    },
    {
      "term": "Hyperglycaemia",
      "count": 16
    },
    {
      "term": "Pain NOS",
      "count": 16
    },
    {
      "term": "Crust",
      "count": 15
    },
    {
      "term": "Ear infection NOS",
      "count": 15
    },
    {
      "term": "Emesis (multiple)",
      "count": 15
    },
    {
      "term": "Erythema (for urticaria see Immune SOC)",
      "count": 15
    },
    {
      "term": "Lack of efficacy (ectoparasite) - flea",
      "count": 15
    },
    {
      "term": "Pallor",
      "count": 15
    },
    {
      "term": "Reddening of the skin",
      "count": 15
    },
    {
      "term": "Tremor",
      "count": 15
    },
    {
      "term": "Abnormal cytology",
      "count": 14
    },
    {
      "term": "Disorientation",
      "count": 14
    },
    {
      "term": "Loose stool",
      "count": 14
    },
    {
      "term": "Head tilt - ear disorder",
      "count": 13
    },
    {
      "term": "Other ear disorder NOS",
      "count": 13
    },
    {
      "term": "Trembling",
      "count": 13
    },
    {
      "term": "Breathing difficulty",
      "count": 12
    },
    {
      "term": "Cough",
      "count": 12
    },
    {
      "term": "Hypoalbuminaemia",
      "count": 12
    },
    {
      "term": "Hypotension",
      "count": 12
    },
    {
      "term": "Inappetence",
      "count": 12
    },
    {
      "term": "Scratching",
      "count": 12
    },
    {
      "term": "Skin disorders NOS",
      "count": 12
    },
    {
      "term": "Skin hyperaemia",
      "count": 12
    },
    {
      "term": "Bacterial skin infection NOS",
      "count": 11
    },
    {
      "term": "Dermatitis",
      "count": 11
    },
    {
      "term": "Distension of abdomen",
      "count": 11
    },
    {
      "term": "Hives (see also 'Skin')",
      "count": 11
    },
    {
      "term": "Lameness",
      "count": 11
    },
    {
      "term": "Proteinuria",
      "count": 11
    },
    {
      "term": "Scale",
      "count": 11
    },
    {
      "term": "Convulsion",
      "count": 10
    },
    {
      "term": "Drooling",
      "count": 10
    },
    {
      "term": "Elevated cholesterol (total)",
      "count": 10
    },
    {
      "term": "Elevated total bilirubin",
      "count": 10
    },
    {
      "term": "Haematuria",
      "count": 10
    },
    {
      "term": "Otitis externa",
      "count": 10
    }
  ]
}