Letters
Cannabinoid hyperemesis syndrome
Cannabinoid hyperemesis syndrome: caution with urine drug screens for marijuana
BMJ 2019; 366 doi: https://doi.org/10.1136/bmj.l5621 (Published 23 September 2019) Cite this as: BMJ 2019;366:l5621- Peter E Wu, consultant in clinical pharmacology and toxicology
- University of Toronto, 200 Elizabeth Street, Toronto General Hospital, Toronto, ON, M5G 2C4, Canada
- peter.wu{at}uhn.ca
Chocron and colleagues provide a timely and important review on cannabinoid hyperemesis syndrome.1 One important point to expand on is the use (and pitfalls) of urine drug screens.
Most available urine drug screens for marijuana are immunoassays that detect …
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