[Cannabis use disorders and psychiatric comorbidities].

Cannabis use disorders and psychiatric comorbidities. Psychiatric disorders and personality disorders are common among patients with cannabis use disorders. Symptoms of cannabis intoxication or withdrawal need to be disentangled from symptoms of psychiatric disorders. Cannabis use disorders and psychiatric disorders worsen each other. Cannabis use disorders could induce psychiatric disorders, in particular depressive disorders and anxiety disorders. Cannabis withdrawal anxiety typically begins after cannabis use has been stopped or reduced. Patients with cannabis use disorder experience, on a daily basis, subthreshold withdrawal anxiety symptoms, characterized by irritability associated with craving for cannabis. By contrast, individuals with primary anxiety disorders have different features. Integrated approaches to treatment for patients presenting with co-occurring cannabis use disorders and psychiatric disorders are recommended, including simultaneous treatments.