Managing cannabis use in people with severe mental illness: What can be done?

Abstract

Nearly half of people with severe mental illness use cannabis sometime in their lives and during their illness. Its use can have multiple and severe consequences for the course of the illness. Despite the significance of the problem, managing cannabis use in this group is a recently developing topic and is still in its infancy. This article reviews the current state of knowledge on the management of people with severe mental illness who continue to use cannabis, specifically focusing on different models of service provision, and psychological and pharmacological interventions.