{"uid":"cap_1UX_GoVZv02JWEq-0KnlD","slug":"fda-faers-drug-adverse-events-summary-25e46f22","name":"FDA FAERS Drug Adverse Events Summary","description":"Adverse-event summary for a drug from the FDA FAERS database by name. Returns the top reported reactions, the serious and death-flagged fractions and a demographic breakdown as aggregate counts. Informational, not medical advice.","url":"https://api.agentstools.dev/drug/adverse-events?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["drug"],"properties":{"drug":{"type":"string","description":"Drug brand, generic or active-ingredient name"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":{"p10Cents":"2.0000","medianCents":"2.0000","p90Cents":"2.0000","minCents":"2.0000","maxCents":"2.0000","p95Cents":"2.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g-VdR7R6O6FC1_FRc3jnf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregated adverse event data for a named drug from the FDA FAERS database, including top reported reactions, serious/death fractions, and demographic breakdowns.","exampleAgentPrompt":"Can you pull the FDA FAERS adverse event summary for metformin — I want to see the top reported reactions, what fraction were classified as serious or resulted in death, and the demographic breakdown of reporters?","exampleUseCases":[{"title":"Compare side effects for a drug","prompt":"I'm researching ibuprofen safety — can you pull the FDA FAERS adverse event data for it? I want to know the most commonly reported reactions, what percentage of cases were flagged as serious, and any demographic patterns in who's reporting them."},{"title":"Check death rate for common painkiller","prompt":"What does the FDA FAERS database say about adverse events for acetaminophen? Specifically, I'd like to know what fraction of reported events resulted in death, which reactions come up most often, and how the reports break down by age and sex."},{"title":"Investigate safety profile for Ozempic","prompt":"Can you get me an adverse event summary for Ozempic from FDA FAERS? I'm curious about the top reported reactions, how often events were classified as serious, and whether there are any notable demographic patterns in the reports."}],"resultDescription":"Returns aggregated adverse event data from FDA FAERS for the queried drug, including a ranked list of the most frequently reported reactions, the proportion of events flagged as serious, the proportion resulting in death, and demographic counts (e.g. age group, sex) across all matching reports. Data is informational and not medical advice.","failureModes":["Drug name not found in FAERS — returns empty or zero-count results if the name does not match any FDA records","Ambiguous drug name matching multiple substances — may return combined or unexpected results","FDA FAERS database lag — data may not reflect the most recent adverse event reports","HTTP 402 payment required if x402 payment header is missing or insufficient","Rate limiting or upstream FDA API unavailability causing timeout or 5xx error"],"whenToPreferThis":"Use this endpoint when you need a quick, aggregated summary of drug safety signals from official FDA FAERS data — including reaction frequency, seriousness fractions, and demographic breakdowns — without building a custom FDA API integration. Prefer this over raw FDA API calls when you need pre-aggregated, agent-ready output. Use the sibling FDA MAUDE endpoint instead for medical device adverse events.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:50:21.061Z","isFirstParty":false,"canonicalSlug":"fda-faers-drug-adverse-events-summary-25e46f22"}