Drug interactions with cannabinoids.


Tony Antoniou, Jack Bodkin, Joanne M.-W. Ho

Published in CMAJ : Canadian Medical Association journal = journal de l’Association medicale canadienne

2 March 2020



– Cannabinoid levels can be increased by other medications
– Cannabinoids can affect levels of other drugs
– Smoking marijuana can increase clearance of some drugs
– Additive effects can occur with other drugs
– There are potential “red flag” interactions


DOI: 10.1503/cmaj.191097

Free PMC Article


Antoniou T, Bodkin J, Ho JMW. Drug interactions with cannabinoids. CMAJ. 2020;192(9):E206. doi:10.1503/cmaj.191097