Openfda · Research
openFDA / Drug adverse event reports (FAERS)
Individual adverse event reports submitted to FDA (FAERS) for drugs and biologics: patient age and sex, every drug taken with indication and dose, the reactions (MedDRA terms), seriousness, outcome and report dates. Reports are about 10 to 30 KB each. For totals by reaction use openfda-drug-adverse-event-counts. openFDA search syntax: field:value or field:"exact phrase", combined with AND / OR, ranges as field:[20240101 TO 20241231]. Useful fields: patient.drug.medicinalproduct, patient.drug.openfda.brand_name, patient.drug.openfda.generic_name, patient.reaction.reactionmeddrapt, serious, receivedate, occurcountry. Up to 10 records per call (limit), page with skip. No match is a $0 miss (HTTP 404 NOT_FOUND). A malformed search is refused by FDA (400 or 500), $0. Free. Data provided by the U.S. Food and Drug Administration (https://open.fda.gov). Do not rely on openFDA to make decisions about medical care; FDA does not validate these reports. FDA does not endorse looot.
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