Safety
Cannabis Drug Interaction Checker
41 medication groups, each with the mechanism, the expected effect and how solid the evidence is. Add your own medications to see the combined picture.
Not medical advice. This is an educational reference built from known pharmacology. It cannot cover every interaction, and a medication not listed here is not proven safe. Always check with your pharmacist or prescriber before combining cannabis with medication.
My medication list
Nothing added yet. Use the + button on any interaction below to build your list and see your combined risk.
41 of 41 interactions
How to read the evidence label
- Well documented: Described in controlled studies, product labelling or consistent clinical reports.
- Case reports: Reported in individual patients. Real, but not confirmed in larger studies.
- Theoretical: The shared enzyme or additive effect is known, but a human cannabis interaction has not been documented.