{
  "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": "FATIGUE",
      "count": 383
    },
    {
      "term": "HEADACHE",
      "count": 341
    },
    {
      "term": "MULTIPLE SCLEROSIS RELAPSE",
      "count": 177
    },
    {
      "term": "MULTIPLE SCLEROSIS",
      "count": 171
    },
    {
      "term": "ASTHENIA",
      "count": 159
    },
    {
      "term": "INFLUENZA LIKE ILLNESS",
      "count": 146
    },
    {
      "term": "NAUSEA",
      "count": 142
    },
    {
      "term": "URINARY TRACT INFECTION",
      "count": 127
    },
    {
      "term": "DIZZINESS",
      "count": 125
    },
    {
      "term": "PAIN",
      "count": 125
    },
    {
      "term": "FALL",
      "count": 119
    },
    {
      "term": "PYREXIA",
      "count": 112
    },
    {
      "term": "DEPRESSION",
      "count": 108
    },
    {
      "term": "DRUG INEFFECTIVE",
      "count": 108
    },
    {
      "term": "CONDITION AGGRAVATED",
      "count": 94
    },
    {
      "term": "DYSPNOEA",
      "count": 93
    },
    {
      "term": "HYPOAESTHESIA",
      "count": 82
    },
    {
      "term": "PAIN IN EXTREMITY",
      "count": 80
    },
    {
      "term": "PROGRESSIVE MULTIFOCAL LEUKOENCEPHALOPATHY",
      "count": 79
    },
    {
      "term": "OFF LABEL USE",
      "count": 74
    },
    {
      "term": "GAIT DISTURBANCE",
      "count": 72
    },
    {
      "term": "CONVULSION",
      "count": 68
    },
    {
      "term": "PARAESTHESIA",
      "count": 68
    },
    {
      "term": "BALANCE DISORDER",
      "count": 66
    },
    {
      "term": "PRURITUS",
      "count": 66
    },
    {
      "term": "INFUSION RELATED REACTION",
      "count": 65
    },
    {
      "term": "MOBILITY DECREASED",
      "count": 65
    },
    {
      "term": "MUSCULAR WEAKNESS",
      "count": 65
    },
    {
      "term": "URTICARIA",
      "count": 65
    },
    {
      "term": "VOMITING",
      "count": 65
    },
    {
      "term": "ARTHRALGIA",
      "count": 64
    },
    {
      "term": "BACK PAIN",
      "count": 62
    },
    {
      "term": "COVID-19",
      "count": 60
    },
    {
      "term": "HYPERSENSITIVITY",
      "count": 60
    },
    {
      "term": "PNEUMONIA",
      "count": 60
    },
    {
      "term": "RASH",
      "count": 60
    },
    {
      "term": "DIARRHOEA",
      "count": 59
    },
    {
      "term": "CHILLS",
      "count": 58
    },
    {
      "term": "FEELING ABNORMAL",
      "count": 57
    },
    {
      "term": "ANXIETY",
      "count": 54
    },
    {
      "term": "MALAISE",
      "count": 54
    },
    {
      "term": "MEMORY IMPAIRMENT",
      "count": 54
    },
    {
      "term": "NASOPHARYNGITIS",
      "count": 54
    },
    {
      "term": "INSOMNIA",
      "count": 52
    },
    {
      "term": "COGNITIVE DISORDER",
      "count": 50
    },
    {
      "term": "MUSCLE SPASMS",
      "count": 50
    },
    {
      "term": "TREMOR",
      "count": 49
    },
    {
      "term": "CHEST PAIN",
      "count": 46
    },
    {
      "term": "MYALGIA",
      "count": 45
    },
    {
      "term": "INFECTION",
      "count": 43
    },
    {
      "term": "ABDOMINAL PAIN",
      "count": 41
    },
    {
      "term": "CONFUSIONAL STATE",
      "count": 41
    },
    {
      "term": "MUSCLE SPASTICITY",
      "count": 39
    },
    {
      "term": "SOMNOLENCE",
      "count": 39
    },
    {
      "term": "INFLUENZA",
      "count": 36
    },
    {
      "term": "MUSCULOSKELETAL STIFFNESS",
      "count": 35
    },
    {
      "term": "ERYTHEMA",
      "count": 32
    },
    {
      "term": "HYPOTENSION",
      "count": 32
    },
    {
      "term": "WEIGHT INCREASED",
      "count": 32
    },
    {
      "term": "DIFFICULTY IN WALKING",
      "count": 31
    },
    {
      "term": "CYSTITIS",
      "count": 30
    },
    {
      "term": "LOSS OF CONSCIOUSNESS",
      "count": 30
    },
    {
      "term": "SEPSIS",
      "count": 30
    },
    {
      "term": "HEART RATE INCREASED",
      "count": 29
    },
    {
      "term": "MIGRAINE",
      "count": 29
    },
    {
      "term": "OEDEMA PERIPHERAL",
      "count": 29
    },
    {
      "term": "UPPER RESPIRATORY TRACT INFECTION",
      "count": 29
    },
    {
      "term": "CHEST DISCOMFORT",
      "count": 28
    },
    {
      "term": "FEELING HOT",
      "count": 28
    },
    {
      "term": "FLUSHING",
      "count": 28
    },
    {
      "term": "HEMIPARESIS",
      "count": 28
    },
    {
      "term": "SYNCOPE",
      "count": 28
    },
    {
      "term": "VISION BLURRED",
      "count": 28
    },
    {
      "term": "ABASIA",
      "count": 27
    },
    {
      "term": "ALOPECIA",
      "count": 26
    },
    {
      "term": "HERPES ZOSTER",
      "count": 26
    },
    {
      "term": "APHASIA",
      "count": 25
    },
    {
      "term": "BRONCHITIS",
      "count": 25
    },
    {
      "term": "DISEASE PROGRESSION",
      "count": 25
    },
    {
      "term": "IMMUNE RECONSTITUTION INFLAMMATORY SYNDROME",
      "count": 25
    },
    {
      "term": "LYMPHOPENIA",
      "count": 25
    },
    {
      "term": "COUGH",
      "count": 24
    },
    {
      "term": "TACHYCARDIA",
      "count": 24
    },
    {
      "term": "BLOOD PRESSURE INCREASED",
      "count": 23
    },
    {
      "term": "DEHYDRATION",
      "count": 23
    },
    {
      "term": "HYPERHIDROSIS",
      "count": 23
    },
    {
      "term": "HYPERTENSION",
      "count": 23
    },
    {
      "term": "SINUSITIS",
      "count": 23
    },
    {
      "term": "STRESS",
      "count": 23
    },
    {
      "term": "BLOOD PRESSURE DECREASED",
      "count": 22
    },
    {
      "term": "CONSTIPATION",
      "count": 22
    },
    {
      "term": "CONTUSION",
      "count": 22
    },
    {
      "term": "DYSPHAGIA",
      "count": 22
    },
    {
      "term": "RESPIRATORY FAILURE",
      "count": 22
    },
    {
      "term": "WEIGHT DECREASED",
      "count": 22
    },
    {
      "term": "COORDINATION ABNORMAL",
      "count": 21
    },
    {
      "term": "DEPRESSED MOOD",
      "count": 21
    },
    {
      "term": "DYSARTHRIA",
      "count": 21
    },
    {
      "term": "WHITE BLOOD CELL COUNT INCREASED",
      "count": 21
    },
    {
      "term": "ABDOMINAL PAIN UPPER",
      "count": 20
    }
  ]
}