{
  "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": "INFUSION RELATED REACTION",
      "count": 802
    },
    {
      "term": "FATIGUE",
      "count": 161
    },
    {
      "term": "PAIN",
      "count": 85
    },
    {
      "term": "MALAISE",
      "count": 81
    },
    {
      "term": "HEADACHE",
      "count": 79
    },
    {
      "term": "MULTIPLE SCLEROSIS RELAPSE",
      "count": 75
    },
    {
      "term": "ILLNESS",
      "count": 73
    },
    {
      "term": "GAIT DISTURBANCE",
      "count": 70
    },
    {
      "term": "URINARY TRACT INFECTION",
      "count": 70
    },
    {
      "term": "ASTHENIA",
      "count": 65
    },
    {
      "term": "INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION",
      "count": 63
    },
    {
      "term": "NASOPHARYNGITIS",
      "count": 62
    },
    {
      "term": "DRUG INEFFECTIVE",
      "count": 54
    },
    {
      "term": "MATERNAL EXPOSURE DURING PREGNANCY",
      "count": 54
    },
    {
      "term": "PAIN IN EXTREMITY",
      "count": 53
    },
    {
      "term": "COVID-19",
      "count": 52
    },
    {
      "term": "FALL",
      "count": 52
    },
    {
      "term": "PRODUCT DOSE OMISSION ISSUE",
      "count": 52
    },
    {
      "term": "MULTIPLE SCLEROSIS",
      "count": 51
    },
    {
      "term": "COUGH",
      "count": 49
    },
    {
      "term": "DIZZINESS",
      "count": 49
    },
    {
      "term": "HYPOAESTHESIA",
      "count": 48
    },
    {
      "term": "PNEUMONIA",
      "count": 47
    },
    {
      "term": "NAUSEA",
      "count": 46
    },
    {
      "term": "PYREXIA",
      "count": 46
    },
    {
      "term": "MEMORY IMPAIRMENT",
      "count": 45
    },
    {
      "term": "OFF LABEL USE",
      "count": 43
    },
    {
      "term": "ARTHRALGIA",
      "count": 41
    },
    {
      "term": "PARAESTHESIA",
      "count": 39
    },
    {
      "term": "MUSCULAR WEAKNESS",
      "count": 37
    },
    {
      "term": "BALANCE DISORDER",
      "count": 34
    },
    {
      "term": "SINUSITIS",
      "count": 34
    },
    {
      "term": "INSOMNIA",
      "count": 32
    },
    {
      "term": "UPPER RESPIRATORY TRACT INFECTION",
      "count": 32
    },
    {
      "term": "MUSCLE SPASMS",
      "count": 31
    },
    {
      "term": "BACK PAIN",
      "count": 29
    },
    {
      "term": "DYSPNOEA",
      "count": 27
    },
    {
      "term": "INFECTION",
      "count": 27
    },
    {
      "term": "INFLUENZA",
      "count": 27
    },
    {
      "term": "VOMITING",
      "count": 27
    },
    {
      "term": "DIARRHOEA",
      "count": 26
    },
    {
      "term": "ALOPECIA",
      "count": 24
    },
    {
      "term": "BRAIN FOG",
      "count": 24
    },
    {
      "term": "FEELING ABNORMAL",
      "count": 24
    },
    {
      "term": "INFLUENZA LIKE ILLNESS",
      "count": 24
    },
    {
      "term": "SEPSIS",
      "count": 24
    },
    {
      "term": "THERAPEUTIC RESPONSE SHORTENED",
      "count": 24
    },
    {
      "term": "ANXIETY",
      "count": 21
    },
    {
      "term": "OROPHARYNGEAL PAIN",
      "count": 21
    },
    {
      "term": "RASH",
      "count": 21
    },
    {
      "term": "COGNITIVE DISORDER",
      "count": 19
    },
    {
      "term": "DRUG EFFECT LESS THAN EXPECTED",
      "count": 19
    },
    {
      "term": "TREMOR",
      "count": 19
    },
    {
      "term": "BRONCHITIS",
      "count": 18
    },
    {
      "term": "MIGRAINE",
      "count": 18
    },
    {
      "term": "MUSCULOSKELETAL STIFFNESS",
      "count": 18
    },
    {
      "term": "VISION BLURRED",
      "count": 18
    },
    {
      "term": "ABDOMINAL DISCOMFORT",
      "count": 17
    },
    {
      "term": "ADVERSE EVENT",
      "count": 17
    },
    {
      "term": "HERPES ZOSTER",
      "count": 17
    },
    {
      "term": "CELLULITIS",
      "count": 16
    },
    {
      "term": "CONFUSIONAL STATE",
      "count": 16
    },
    {
      "term": "MYALGIA",
      "count": 16
    },
    {
      "term": "VISUAL IMPAIRMENT",
      "count": 16
    },
    {
      "term": "COVID-19 PNEUMONIA",
      "count": 15
    },
    {
      "term": "NEUTROPENIA",
      "count": 15
    },
    {
      "term": "WEIGHT INCREASED",
      "count": 15
    },
    {
      "term": "CONTUSION",
      "count": 14
    },
    {
      "term": "HYPERTENSION",
      "count": 14
    },
    {
      "term": "NASAL CONGESTION",
      "count": 14
    },
    {
      "term": "PRURITUS",
      "count": 14
    },
    {
      "term": "WEIGHT DECREASED",
      "count": 14
    },
    {
      "term": "ANAEMIA",
      "count": 13
    },
    {
      "term": "B-LYMPHOCYTE COUNT DECREASED",
      "count": 13
    },
    {
      "term": "CONDITION AGGRAVATED",
      "count": 13
    },
    {
      "term": "LETHARGY",
      "count": 13
    },
    {
      "term": "MOBILITY DECREASED",
      "count": 13
    },
    {
      "term": "PERIPHERAL SWELLING",
      "count": 13
    },
    {
      "term": "STRESS",
      "count": 13
    },
    {
      "term": "SURGERY",
      "count": 13
    },
    {
      "term": "VERTIGO",
      "count": 13
    },
    {
      "term": "ABDOMINAL PAIN",
      "count": 12
    },
    {
      "term": "CHEST PAIN",
      "count": 12
    },
    {
      "term": "CHILLS",
      "count": 12
    },
    {
      "term": "CONSTIPATION",
      "count": 12
    },
    {
      "term": "ABDOMINAL PAIN UPPER",
      "count": 11
    },
    {
      "term": "DECREASED APPETITE",
      "count": 11
    },
    {
      "term": "DYSPHAGIA",
      "count": 11
    },
    {
      "term": "HYPERSENSITIVITY",
      "count": 11
    },
    {
      "term": "BLOOD TEST ABNORMAL",
      "count": 10
    },
    {
      "term": "BURNING SENSATION",
      "count": 10
    },
    {
      "term": "CHEST DISCOMFORT",
      "count": 10
    },
    {
      "term": "CYSTITIS",
      "count": 10
    },
    {
      "term": "DEATH",
      "count": 10
    },
    {
      "term": "DEPRESSION",
      "count": 10
    },
    {
      "term": "DISEASE PROGRESSION",
      "count": 10
    },
    {
      "term": "DYSPHONIA",
      "count": 10
    },
    {
      "term": "DYSSTASIA",
      "count": 10
    },
    {
      "term": "IMMUNOGLOBULINS DECREASED",
      "count": 10
    },
    {
      "term": "JOINT SWELLING",
      "count": 10
    }
  ]
}