openFDA Drug Adverse Events
“The openFDA drug adverse event API returns data that has been collected from the FDA Adverse Event Reporting System (FAERS), a database that contains information on adverse event and medication error reports submitted to FDA.”
“Adverse event reports submitted to FDA do not undergo extensive validation or verification. Therefore, a causal relationship cannot be established between product and reactions listed in a report. While a suspected relationship may exist, it is not medically validated and should not be the sole source of information for clinical decision making or other assumptions about the safety or efficacy of a product.”
The following are the top 100 reported drug adverse events.
FATIGUE (10635)
NAUSEA (9940)
DYSPNOEA (9854)
DIARRHOEA (9457)
DRUG INEFFECTIVE (8834)
DIZZINESS (8667)
FALL (7303)
HEADACHE (6955)
PAIN (6818)
ASTHENIA (6760)
VOMITING (6430)
MALAISE (6286)
DRUG INTERACTION (6236)
MYALGIA (6090)
ARTHRALGIA (5828)
ACUTE KIDNEY INJURY (5773)
OFF LABEL USE (5681)
PAIN IN EXTREMITY (5320)
DEATH (4988)
PRURITUS (4682)
PNEUMONIA (4616)
WEIGHT DECREASED (4468)
CHRONIC KIDNEY DISEASE (4262)
RENAL FAILURE (4230)
INSOMNIA (4137)
RASH (4116)
COUGH (4110)
PYREXIA (4107)
ANAEMIA (4057)
HYPOTENSION (3899)
CHEST PAIN (3718)
DECREASED APPETITE (3718)
RHABDOMYOLYSIS (3695)
CONFUSIONAL STATE (3664)
BACK PAIN (3663)
CONSTIPATION (3626)
GAIT DISTURBANCE (3582)
ABDOMINAL PAIN (3546)
HYPERTENSION (3352)
MUSCULAR WEAKNESS (3283)
ANXIETY (3233)
MUSCLE SPASMS (3219)
MYOCARDIAL INFARCTION (3126)
FEELING ABNORMAL (3121)
ABDOMINAL PAIN UPPER (3097)
DEHYDRATION (3090)
BLOOD GLUCOSE INCREASED (3025)
CONDITION AGGRAVATED (3009)
DEPRESSION (2972)
URINARY TRACT INFECTION (2957)
GENERAL PHYSICAL HEALTH DETERIORATION (2910)
SOMNOLENCE (2840)
CEREBROVASCULAR ACCIDENT (2734)
SYNCOPE (2730)
OEDEMA PERIPHERAL (2684)
ATRIAL FIBRILLATION (2643)
BLOOD PRESSURE INCREASED (2534)
GASTROINTESTINAL HAEMORRHAGE (2528)
ALOPECIA (2513)
PERIPHERAL SWELLING (2494)
PARAESTHESIA (2461)
FLUSHING (2436)
TREMOR (2318)
HYPERHIDROSIS (2309)
RENAL FAILURE ACUTE (2305)
ABDOMINAL DISCOMFORT (2292)
MEMORY IMPAIRMENT (2274)
SEPSIS (2263)
WEIGHT INCREASED (2223)
ERYTHEMA (2155)
HYPONATRAEMIA (2091)
HYPOAESTHESIA (2037)
LOSS OF CONSCIOUSNESS (1993)
BALANCE DISORDER (1968)
PALPITATIONS (1965)
HAEMOGLOBIN DECREASED (1952)
RENAL IMPAIRMENT (1848)
VISION BLURRED (1793)
DRUG DOSE OMISSION (1762)
VISUAL IMPAIRMENT (1756)
TACHYCARDIA (1718)
CONTUSION (1686)
DRUG HYPERSENSITIVITY (1674)
BLOOD CREATINE PHOSPHOKINASE INCREASED (1673)
NASOPHARYNGITIS (1654)
DYSPEPSIA (1622)
INJECTION SITE PAIN (1602)
AMNESIA (1593)
CHILLS (1582)
ABDOMINAL DISTENSION (1570)
BLOOD CREATININE INCREASED (1564)
GASTROOESOPHAGEAL REFLUX DISEASE (1553)
CARDIAC FAILURE CONGESTIVE (1535)
COVID-19 (1527)
HYPERSENSITIVITY (1520)
DIABETES MELLITUS (1474)
CARDIAC FAILURE (1464)
HALLUCINATION (1455)
EPISTAXIS (1454)
HYPOGLYCAEMIA (1441)