FDA's CYP Interaction Examples for a Medication List

Which drugs on a medication list FDA names as CYP inhibitors, inducers or substrates in its examples table.

Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Medications, one per line
clarithromycin simvastatin

Result: CYP pair: clarithromycin (CYP3A strong inhibitor) with simvastatin (CYP3A sensitive substrate).

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Medications, one per line (generic names)
How this is calculated

Citation

FDA, Healthcare Professionals: FDA's Examples of Drugs that Interact with CYP Enzymes and Transporter Systems, Table 1 and footnotes, read weekly into data/fda-ddi-examples (content current as of 05/29/2026 at the first build). Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

Browse all tools

Built by Clay Good. Source on GitHub.