{
  "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": "2026-04-28"
  },
  "results": [
    {
      "term": "FEBRILE NEUTROPENIA",
      "count": 501
    },
    {
      "term": "NEUTROPENIA",
      "count": 380
    },
    {
      "term": "ANAEMIA",
      "count": 320
    },
    {
      "term": "INFECTION",
      "count": 310
    },
    {
      "term": "THROMBOCYTOPENIA",
      "count": 310
    },
    {
      "term": "ATRIAL FIBRILLATION",
      "count": 294
    },
    {
      "term": "HAEMORRHAGE",
      "count": 268
    },
    {
      "term": "CYTOPENIA",
      "count": 262
    },
    {
      "term": "ASPERGILLUS INFECTION",
      "count": 260
    },
    {
      "term": "PYREXIA",
      "count": 251
    },
    {
      "term": "DISEASE PROGRESSION",
      "count": 214
    },
    {
      "term": "PNEUMONIA",
      "count": 200
    },
    {
      "term": "FATIGUE",
      "count": 122
    },
    {
      "term": "OFF LABEL USE",
      "count": 122
    },
    {
      "term": "HEADACHE",
      "count": 95
    },
    {
      "term": "SEPSIS",
      "count": 93
    },
    {
      "term": "VOMITING",
      "count": 82
    },
    {
      "term": "DIARRHOEA",
      "count": 75
    },
    {
      "term": "DYSPNOEA",
      "count": 75
    },
    {
      "term": "NAUSEA",
      "count": 75
    },
    {
      "term": "INFUSION RELATED REACTION",
      "count": 71
    },
    {
      "term": "DRUG INEFFECTIVE",
      "count": 67
    },
    {
      "term": "LUNG INFECTION",
      "count": 67
    },
    {
      "term": "RASH",
      "count": 66
    },
    {
      "term": "ASTHENIA",
      "count": 63
    },
    {
      "term": "NEUTROPENIC SEPSIS",
      "count": 63
    },
    {
      "term": "PRODUCT USE IN UNAPPROVED INDICATION",
      "count": 59
    },
    {
      "term": "DIZZINESS",
      "count": 58
    },
    {
      "term": "MALAISE",
      "count": 57
    },
    {
      "term": "COVID-19",
      "count": 56
    },
    {
      "term": "CHILLS",
      "count": 53
    },
    {
      "term": "DEATH",
      "count": 52
    },
    {
      "term": "PAIN",
      "count": 51
    },
    {
      "term": "HYPOGAMMAGLOBULINAEMIA",
      "count": 50
    },
    {
      "term": "MULTIPLE SCLEROSIS",
      "count": 50
    },
    {
      "term": "COUGH",
      "count": 47
    },
    {
      "term": "MALIGNANT NEOPLASM PROGRESSION",
      "count": 47
    },
    {
      "term": "MULTIPLE SCLEROSIS RELAPSE",
      "count": 45
    },
    {
      "term": "PROGRESSIVE MULTIFOCAL LEUKOENCEPHALOPATHY",
      "count": 45
    },
    {
      "term": "CHRONIC LYMPHOCYTIC LEUKAEMIA",
      "count": 44
    },
    {
      "term": "HYPOTENSION",
      "count": 44
    },
    {
      "term": "LOWER RESPIRATORY TRACT INFECTION",
      "count": 44
    },
    {
      "term": "MUSCULAR WEAKNESS",
      "count": 41
    },
    {
      "term": "SEPTIC SHOCK",
      "count": 41
    },
    {
      "term": "URINARY TRACT INFECTION",
      "count": 41
    },
    {
      "term": "PULMONARY EMBOLISM",
      "count": 39
    },
    {
      "term": "HERPES ZOSTER",
      "count": 38
    },
    {
      "term": "TUMOUR LYSIS SYNDROME",
      "count": 38
    },
    {
      "term": "INFLUENZA LIKE ILLNESS",
      "count": 36
    },
    {
      "term": "ABDOMINAL PAIN",
      "count": 35
    },
    {
      "term": "ARTHRALGIA",
      "count": 34
    },
    {
      "term": "BACK PAIN",
      "count": 34
    },
    {
      "term": "HYPERSENSITIVITY",
      "count": 34
    },
    {
      "term": "RESPIRATORY FAILURE",
      "count": 34
    },
    {
      "term": "URTICARIA",
      "count": 33
    },
    {
      "term": "CONSTIPATION",
      "count": 32
    },
    {
      "term": "CYTOKINE RELEASE SYNDROME",
      "count": 32
    },
    {
      "term": "DEHYDRATION",
      "count": 32
    },
    {
      "term": "SYNCOPE",
      "count": 32
    },
    {
      "term": "CONFUSIONAL STATE",
      "count": 31
    },
    {
      "term": "TREMOR",
      "count": 31
    },
    {
      "term": "CYTOMEGALOVIRUS INFECTION",
      "count": 30
    },
    {
      "term": "GAIT DISTURBANCE",
      "count": 30
    },
    {
      "term": "PLATELET COUNT DECREASED",
      "count": 30
    },
    {
      "term": "CHEST PAIN",
      "count": 29
    },
    {
      "term": "INFLUENZA",
      "count": 29
    },
    {
      "term": "SECOND PRIMARY MALIGNANCY",
      "count": 29
    },
    {
      "term": "UPPER RESPIRATORY TRACT INFECTION",
      "count": 29
    },
    {
      "term": "DISEASE RECURRENCE",
      "count": 28
    },
    {
      "term": "HYPOAESTHESIA",
      "count": 28
    },
    {
      "term": "MYALGIA",
      "count": 28
    },
    {
      "term": "RENAL FAILURE",
      "count": 28
    },
    {
      "term": "ANAPHYLACTIC REACTION",
      "count": 27
    },
    {
      "term": "PAIN IN EXTREMITY",
      "count": 27
    },
    {
      "term": "CELLULITIS",
      "count": 25
    },
    {
      "term": "HYPERCALCAEMIA",
      "count": 25
    },
    {
      "term": "WHITE BLOOD CELL COUNT DECREASED",
      "count": 25
    },
    {
      "term": "CONDITION AGGRAVATED",
      "count": 24
    },
    {
      "term": "FALL",
      "count": 24
    },
    {
      "term": "NEPHROTIC SYNDROME",
      "count": 24
    },
    {
      "term": "NEUTROPHIL COUNT DECREASED",
      "count": 24
    },
    {
      "term": "PANCYTOPENIA",
      "count": 24
    },
    {
      "term": "PLEURAL EFFUSION",
      "count": 24
    },
    {
      "term": "SINUSITIS",
      "count": 24
    },
    {
      "term": "FEELING ABNORMAL",
      "count": 23
    },
    {
      "term": "GENERAL PHYSICAL HEALTH DETERIORATION",
      "count": 23
    },
    {
      "term": "ALANINE AMINOTRANSFERASE INCREASED",
      "count": 22
    },
    {
      "term": "CENTRAL NERVOUS SYSTEM LESION",
      "count": 22
    },
    {
      "term": "COLITIS",
      "count": 22
    },
    {
      "term": "RENAL FAILURE ACUTE",
      "count": 22
    },
    {
      "term": "ACUTE KIDNEY INJURY",
      "count": 21
    },
    {
      "term": "PARAESTHESIA",
      "count": 21
    },
    {
      "term": "URINARY RETENTION",
      "count": 21
    },
    {
      "term": "ATAXIA",
      "count": 20
    },
    {
      "term": "BASAL CELL CARCINOMA",
      "count": 20
    },
    {
      "term": "HYPOKALAEMIA",
      "count": 20
    },
    {
      "term": "MULTIPLE ORGAN DYSFUNCTION SYNDROME",
      "count": 20
    },
    {
      "term": "POISONING",
      "count": 20
    },
    {
      "term": "TOXICITY TO VARIOUS AGENTS",
      "count": 20
    },
    {
      "term": "BRONCHITIS",
      "count": 19
    }
  ]
}