Frequently Asked Questions

The National Drug Code (NDC) is a unique 10-digit identifier for human drugs in the United States. It consists of three segments:

• Labeler code — identifies the manufacturer or distributor
• Product code — identifies the drug product
• Package code — identifies the package size and type

Use our NDC lookup tool to search by NDC code.

We display data from official government sources and do not modify it. If you believe there is an error in the data we display, please:

1. Check the data on the official source (openFDA, DailyMed, etc.)
2. If the official source has the correct information, submit a correction requestand we will investigate
3. If the official source itself has an error, contact that source directly

We are committed to privacy. We do not collect health profiles or require accounts for basic medication searches. Search queries may reveal sensitive interests, so we take care to:

• Not create user health profiles
• Not store identifiable medical search history unnecessarily
• Use aggregated analytics where possible
• Not infer medical conditions from search behavior

See our full privacy policy for details.

When citing information from this platform, reference the original government data source:

• Drug label information: openFDA Drug Label API / DailyMed
• NDC information: openFDA NDC Directory
• Recall information: FDA Recall Enterprise System via openFDA

Each page on our platform displays the specific data source and retrieval date. For academic or professional use, always verify data directly with the authoritative source.

All data comes from official U.S. government public APIs:

• openFDA Drug Label API — FDA-approved drug labels
• openFDA NDC Directory — National Drug Code records
• openFDA Enforcement API — Recall and enforcement data
• DailyMed (National Library of Medicine) — Structured Product Labels
• RxNorm (National Library of Medicine) — Drug name normalization

See our data sources page for detailed information.

Data freshness varies by source:

• openFDA Drug Label API: Updated weekly
• openFDA NDC Directory: Updated daily
• openFDA Enforcement: Updated as reports are filed

Each medication page displays the retrieval date and source update date when available. We recommend verifying critical information directly with the official source.

The FDA classifies recalls into three categories based on health risk:

• Class I: Reasonable probability that product use will cause serious adverse health consequences or death
• Class II: May cause temporary or medically reversible health consequences; probability of serious harm is remote
• Class III: Product is unlikely to cause adverse health consequences

No. This website is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.

Do not start, stop, or change how you take a prescription medication based solely on information from this website. Discuss medication questions with a qualified healthcare professional.

If you think you may be experiencing a medical emergency, call 911 or seek immediate emergency care.

Read our full medical disclaimer.

Yes. Our comparison tool lets you view factual label information side by side for two medications, including active ingredients, dosage forms, indications, warnings, and more.

Important: This comparison summarizes available public labeling information and is not a treatment recommendation. Do not make medication decisions based solely on this comparison.

You can search for medications by:

• Generic name — e.g., "metformin"
• Brand name — e.g., "Glucophage"
• Active ingredient — e.g., "atorvastatin"
• NDC code — e.g., "0002-1427"

Use the search bar on any page or browse the A-Z directory.