Key Points

• The number of emergency room visits related to the use of sedatives, cocaine, and cannabis is on the rise. These visits involve men, mostly young people from disadvantaged communities.

• Regional disparities in the use of psychoactive substances. Overall, higher levels of use are observed in the Manche department.

• These visits are likely underestimated because emergency room doctors do not systematically inquire about substance use.

• These indicators may not be related to addiction and may reflect occasional use.