Substance-induced psychosis and schizophrenia: the interaction point

One of the most severe complications of narcotic drugs misuse are induced psychotic disorders. Their frequency is varies from 5.2 to 100% and depends on the type of drug. This review provides current data and discussion on the similarities and differences between induced psychosis and schizophrenia. Possible interaction of pathogenic pathways, the possibility of differentiation at the clinical level and the main difficulties in clear diagnostic are discussed. The problem of transformation of induced psychoses into schizophrenia and the significance of differentiated treatment are also considered.