{
  "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": 2071
    },
    {
      "term": "PYREXIA",
      "count": 1281
    },
    {
      "term": "OFF LABEL USE",
      "count": 1247
    },
    {
      "term": "DRUG INEFFECTIVE",
      "count": 1215
    },
    {
      "term": "NAUSEA",
      "count": 832
    },
    {
      "term": "VOMITING",
      "count": 810
    },
    {
      "term": "DIARRHOEA",
      "count": 741
    },
    {
      "term": "ABDOMINAL PAIN",
      "count": 739
    },
    {
      "term": "NEUTROPENIA",
      "count": 652
    },
    {
      "term": "HEADACHE",
      "count": 638
    },
    {
      "term": "CROHN^S DISEASE",
      "count": 607
    },
    {
      "term": "FATIGUE",
      "count": 588
    },
    {
      "term": "SEPSIS",
      "count": 563
    },
    {
      "term": "PNEUMONIA",
      "count": 555
    },
    {
      "term": "ANAEMIA",
      "count": 495
    },
    {
      "term": "CONDITION AGGRAVATED",
      "count": 473
    },
    {
      "term": "PANCYTOPENIA",
      "count": 466
    },
    {
      "term": "ARTHRALGIA",
      "count": 398
    },
    {
      "term": "BACTERIAL INFECTION",
      "count": 394
    },
    {
      "term": "COUGH",
      "count": 382
    },
    {
      "term": "THROMBOCYTOPENIA",
      "count": 368
    },
    {
      "term": "COLITIS ULCERATIVE",
      "count": 367
    },
    {
      "term": "DYSPNOEA",
      "count": 352
    },
    {
      "term": "MYELOSUPPRESSION",
      "count": 351
    },
    {
      "term": "PANCREATITIS",
      "count": 342
    },
    {
      "term": "RASH",
      "count": 331
    },
    {
      "term": "INJECTION SITE PAIN",
      "count": 319
    },
    {
      "term": "MALAISE",
      "count": 315
    },
    {
      "term": "VIRAL INFECTION",
      "count": 314
    },
    {
      "term": "DRUG INTERACTION",
      "count": 313
    },
    {
      "term": "DEATH",
      "count": 312
    },
    {
      "term": "ALANINE AMINOTRANSFERASE INCREASED",
      "count": 310
    },
    {
      "term": "PAIN",
      "count": 309
    },
    {
      "term": "PLATELET COUNT DECREASED",
      "count": 307
    },
    {
      "term": "ASTHENIA",
      "count": 305
    },
    {
      "term": "HYPOTENSION",
      "count": 298
    },
    {
      "term": "WEIGHT DECREASED",
      "count": 288
    },
    {
      "term": "CLOSTRIDIUM DIFFICILE COLITIS",
      "count": 284
    },
    {
      "term": "INFECTION",
      "count": 279
    },
    {
      "term": "PRODUCT USE IN UNAPPROVED INDICATION",
      "count": 275
    },
    {
      "term": "FEBRILE BONE MARROW APLASIA",
      "count": 262
    },
    {
      "term": "COLITIS",
      "count": 259
    },
    {
      "term": "WHITE BLOOD CELL COUNT DECREASED",
      "count": 252
    },
    {
      "term": "DIZZINESS",
      "count": 249
    },
    {
      "term": "HEPATOTOXICITY",
      "count": 249
    },
    {
      "term": "BACK PAIN",
      "count": 247
    },
    {
      "term": "SECONDARY IMMUNODEFICIENCY",
      "count": 247
    },
    {
      "term": "PAIN IN EXTREMITY",
      "count": 246
    },
    {
      "term": "DECREASED APPETITE",
      "count": 240
    },
    {
      "term": "CROHN'S DISEASE",
      "count": 234
    },
    {
      "term": "TACHYCARDIA",
      "count": 231
    },
    {
      "term": "MUCOSAL INFLAMMATION",
      "count": 230
    },
    {
      "term": "SEPTIC SHOCK",
      "count": 230
    },
    {
      "term": "VENOOCCLUSIVE LIVER DISEASE",
      "count": 230
    },
    {
      "term": "LEUKOPENIA",
      "count": 226
    },
    {
      "term": "NEUTROPHIL COUNT DECREASED",
      "count": 226
    },
    {
      "term": "CELLULITIS",
      "count": 225
    },
    {
      "term": "CHILLS",
      "count": 225
    },
    {
      "term": "SEIZURE",
      "count": 223
    },
    {
      "term": "HAEMOGLOBIN DECREASED",
      "count": 222
    },
    {
      "term": "HAEMATOTOXICITY",
      "count": 220
    },
    {
      "term": "TOXICITY TO VARIOUS AGENTS",
      "count": 220
    },
    {
      "term": "WEIGHT INCREASED",
      "count": 214
    },
    {
      "term": "RESPIRATORY FAILURE",
      "count": 209
    },
    {
      "term": "OSTEONECROSIS",
      "count": 208
    },
    {
      "term": "RHINOVIRUS INFECTION",
      "count": 208
    },
    {
      "term": "BONE MARROW FAILURE",
      "count": 207
    },
    {
      "term": "ACUTE KIDNEY INJURY",
      "count": 203
    },
    {
      "term": "NEUROPATHY PERIPHERAL",
      "count": 203
    },
    {
      "term": "FUNGAL INFECTION",
      "count": 201
    },
    {
      "term": "BRONCHOPULMONARY ASPERGILLOSIS",
      "count": 199
    },
    {
      "term": "HYPERTENSION",
      "count": 199
    },
    {
      "term": "INCORRECT DOSE ADMINISTERED",
      "count": 198
    },
    {
      "term": "DRUG INTOLERANCE",
      "count": 196
    },
    {
      "term": "NEUROTOXICITY",
      "count": 195
    },
    {
      "term": "STOMATITIS",
      "count": 191
    },
    {
      "term": "DEHYDRATION",
      "count": 190
    },
    {
      "term": "CONSTIPATION",
      "count": 189
    },
    {
      "term": "HYPERTRIGLYCERIDAEMIA",
      "count": 188
    },
    {
      "term": "HYPERSENSITIVITY",
      "count": 186
    },
    {
      "term": "ABDOMINAL PAIN UPPER",
      "count": 184
    },
    {
      "term": "ACUTE MYELOID LEUKAEMIA",
      "count": 182
    },
    {
      "term": "ASPARTATE AMINOTRANSFERASE INCREASED",
      "count": 182
    },
    {
      "term": "ASPERGILLUS INFECTION",
      "count": 181
    },
    {
      "term": "PARAINFLUENZAE VIRUS INFECTION",
      "count": 179
    },
    {
      "term": "ENTERITIS",
      "count": 178
    },
    {
      "term": "PANCREATITIS ACUTE",
      "count": 178
    },
    {
      "term": "COVID-19",
      "count": 177
    },
    {
      "term": "PSEUDOMONAL SEPSIS",
      "count": 177
    },
    {
      "term": "INFUSION RELATED REACTION",
      "count": 174
    },
    {
      "term": "MYCOBACTERIUM CHELONAE INFECTION",
      "count": 174
    },
    {
      "term": "HUMAN HERPESVIRUS 6 INFECTION",
      "count": 172
    },
    {
      "term": "MUSCULAR WEAKNESS",
      "count": 168
    },
    {
      "term": "HYPERBILIRUBINAEMIA",
      "count": 167
    },
    {
      "term": "BLOOD BILIRUBIN INCREASED",
      "count": 166
    },
    {
      "term": "DRUG HYPERSENSITIVITY",
      "count": 164
    },
    {
      "term": "OROPHARYNGEAL PAIN",
      "count": 164
    },
    {
      "term": "PRODUCT USE ISSUE",
      "count": 162
    },
    {
      "term": "TREATMENT FAILURE",
      "count": 160
    },
    {
      "term": "INTENTIONAL PRODUCT USE ISSUE",
      "count": 159
    }
  ]
}