OpenFDA Drug Safety — Adverse Events Scraper

Search the FDA Adverse Event Reporting System (FAERS) by drug name, reaction, manufacturer, or date range. Returns normalized results with brand-to-generic drug name mapping, reaction term standardization, and manufacturer deduplication.

Features

• 🔍 4 search modes: drug name, adverse reaction, manufacturer, date range
• 💊 Brand → generic mapping: 130+ drug names normalized (Ozempic→Semaglutide, Humira→Adalimumab, etc.)
• 🩺 Reaction standardization: 150+ reaction terms unified (dyspnoea→Shortness of Breath, myocardial infarction→Heart Attack)
• 🏭 Manufacturer dedup: legal suffix stripping, case normalization
• 📊 Top N summaries: most common drugs, reactions, manufacturers, and countries
• 🆓 No API key required — uses the free openFDA API

Input Parameters

Parameter	Type	Required	Description
searchType	select	✅	drug, reaction, manufacturer, or dateRange
drugName	string	for drug	Brand or generic drug name (e.g. ozempic, keytruda)
reaction	string	for reaction	Side effect to search (e.g. headache, nausea)
manufacturer	string	for manufacturer	Company name (e.g. pfizer, moderna)
dateFrom	string	for dateRange	Start date YYYY-MM-DD
dateTo	string	for dateRange	End date YYYY-MM-DD
maxResults	integer	no	1–1000 (default: 100)
seriousOnly	boolean	no	Only serious events (death, hospitalization, etc.)

Example Input

{
  "searchType": "drug",
  "drugName": "ozempic",
  "maxResults": 50,
  "seriousOnly": false
}

{
  "searchType": "reaction",
  "reaction": "myocardial infarction",
  "maxResults": 100
}

{
  "searchType": "dateRange",
  "dateFrom": "2024-01-01",
  "dateTo": "2024-03-31",
  "maxResults": 200
}

Example Output

==========================================================================================
  OPENFDA DRUG SAFETY — ADVERSE EVENT SEARCH RESULTS
==========================================================================================
  Drug: ozempic
  Retrieved:    50 events
  Serious:      38 (76.0%)
  API Queries:  1

  Top Drugs:
    Semaglutide                               50
    Metformin                                  12

  Top Reactions:
    Nausea                                     15
    Vomiting                                   12
    Diarrhea                                    8
    Pancreatitis                                5
    Weight Loss                                 5

  Top Manufacturers:
    Novo Nordisk                               50

  Countries:
    US                                          42
    GB                                           3
    CA                                           2

Use Cases

• Pharma competitive intelligence — track adverse event patterns for competitor drugs
• Legal / mass tort — identify drug-event associations for litigation
• Healthcare analytics — population-level drug safety surveillance
• Regulatory compliance — monitor post-market safety signals
• Academic research — epidemiological studies on drug safety

Data Source

Data from the FDA Adverse Event Reporting System (FAERS) via the openFDA API. Updated quarterly by the FDA. Contains 2+ million adverse event reports from 2004 to present.

License: Public domain (U.S. government data). See openFDA terms.

Output

• Dataset — full normalized adverse event records
• OUTPUT — human-readable summary table
• STATS — machine-readable run statistics

Pricing

Pay-per-event pricing. Only charged for results returned.