US FDA Medication Lookup 🇺🇸💊

Look up US FDA medication information including uses, warnings, and drug interactions.

Features

• 81,212 FDA medications in the full database
• 99 curated common medications with instant access (no download needed)
• Drug interactions lookup
• CLI and JavaScript API
• OpenClaw skill compatible

Installation

npm install -g us-medications

The full database (~45MB compressed) downloads automatically on first use.

Quick Start

CLI

# Look up a medication
us-medications "lisinopril"

# Search for medications
us-medications --search "blood pressure"

# Look up drug interactions
us-medications --interactions "warfarin"

# Show database statistics
us-medications --stats

# List curated medications
us-medications --list

JavaScript API

const { 
  lookupMedication, 
  searchMedications,
  lookupInteractions,
  getDatabaseStats 
} = require('us-medications');

// Look up a specific medication
const med = await lookupMedication('metformin');
console.log(med.uses, med.warnings);

// Search for medications
const results = await searchMedications('diabetes');
results.forEach(m => console.log(m.name));

// Get drug interactions
const interactions = await lookupInteractions('lisinopril');

Data Source

All medication data comes from the US Food and Drug Administration (FDA) drug labels database.

Output Fields

Each medication includes:

• name - Brand/generic name
• altNames - Alternative names
• substances - Active ingredients
• form - Dosage form (oral, injection, etc.)
• rx - Prescription required (true/false)
• uses - FDA-approved indications
• warnings - Safety information and contraindications
• interactions - Drug-drug interactions (when available)

OpenClaw Skill

Install as an OpenClaw skill:

# From npm
openclaw skill add us-medications

# Or from URL
openclaw skill add https://birgermoell.github.io/us-medications/skill.md

Database Management

# Download full database
us-medications --download

# Force re-download
us-medications --download --force

# Check status
us-medications --stats

Data is stored in ~/.us-medications/.

Disclaimer

⚠️ This tool provides FDA label information for educational purposes only. Always consult a healthcare professional for medical advice. Do not use this tool for self-diagnosis or treatment decisions.

Related Projects

• swedish-medications - Swedish FASS medication lookup

License

MIT © Birger Moëll

Contributing

Issues and PRs welcome at GitHub.