The current containment linked to COVID-19 will have consequences for people suffering from addiction and there is a risk of overdoses when the containment ends. So the investigators hypothesize that this health crisis is an opportunity to develop risk reduction and access to care for vulnerable people who lives with an addiction. The main objective of this study is to describe the changes in the psychoactive substances consumption during the containment in people suffering from addiction. The secondary objectives are to describe the evolution at 1 month from the end of the containment of problematic consumption and the level of access to care of these users