Drug Adverse Reaction

Explore adverse event reports

Answer three questions to search FDA adverse event reports.

Reports are not event rates. FAERS does not contain the total number of people exposed to a drug or an untreated comparison population. This tool calculates a reporting proportion, not incidence, patient risk, or evidence of causation.

Drug and reaction search terms are sent to the FDA’s public openFDA service. Do not enter patient names or other personal information.

FDA FAERS database · Data limitations and methodology