Drug Interaction Reference for Clinical Practice
Check up to 20 drugs simultaneously against 257,000+ FDA drug labels. Severity-ranked with mechanism of action and source attribution.
Every interaction is ranked: contraindicated, major, moderate, or minor — so you focus on what matters most.
Data pulled directly from official U.S. FDA drug labels and NIH NLM — the same sources pharmacists use.
Point your phone at a medication label and CDI reads and adds it automatically.
Frequently Asked Questions
Where does the interaction data come from?
Directly from U.S. FDA drug labeling via the openFDA API and NIH NLM RxNorm. Each interaction record includes the source label attribution so you can trace back to the primary source.
Does this include mechanism of action?
Yes, where documented in FDA labeling. Each interaction card shows severity, description, mechanism (when available), and the specific FDA label it was extracted from.
Is this suitable for clinical decision support?
This tool is for reference purposes and should supplement, not replace, clinical judgment. For patient-specific advice, full clinical context is essential. Always consult authoritative clinical resources for prescribing decisions.
How current is the data?
The database is updated monthly via an automated pipeline processing FDA label updates. New drug approvals and label changes may lag by up to 30 days.
257,000+ FDA drug labels indexed. Free. No account required.
Data sourced from U.S. FDA drug labeling via openFDA and NIH NLM. For informational purposes only. Always consult your pharmacist or physician.