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Public interaction checker

Check drug interactions

Add the medicines a person takes. The result lists documented interactions from a curated, citation-backed dataset — and clearly marks anything it could not match.

Brand or generic names — Lipitor, warfarin 5mg, Advil. Small typos are understood.

Nothing added yet — medicines you add appear here.

Comma-separated. Class names work too — “penicillin” flags amoxicillin.

Free public tool · fair-use limit 30 checks/hour · queries are not stored.

What this tool is — and is not

The checker compares your list against a curated dataset of well-established drug–drug interactions (FDA labels, FDA safety communications, the ONC high-priority interaction list). It is informational, not exhaustive, and never a substitute for clinical judgment or a pharmacist review. Medicines shown as “not checked” were not matched against the dataset at all — absence of a warning is not evidence of safety.