Psychotic transtorno induced by multiple specified psychoactive substances is characterised by psychotic symptoms (e.g., delusions, hallucinations, disorganised thinking, grossly disorganised behaviour) that develop during or soon after intoxicação com or abstinência from multiple specified psychoactive substances. The intensity or duration of the symptoms is substantially in excess of psychotic-like disturbances of perception, cognition, or behaviour that are characteristic of intoxicação com or abstinência from multiple specified psychoactive substances. The amount and duration of uso of the multiple specified psychoactive substances must be capable of producing psychotic symptoms. The symptoms are not better explained by a primary mental transtorno (e.g., Esquizofrenia, a Mood transtorno com psychotic symptoms), as might be the case if the psychotic symptoms preceded the onset of the uso of the multiple specified psychoactive substances, if the symptoms persist for a substantial period of time after cessation of the uso of the multiple specified psychoactive substances or abstinência from the multiple specified psychoactive substances, or if there is other evidence of a pre-existing primary mental transtorno com psychotic symptoms (e.g., a history of prior episodes not associated com the uso of the multiple specified psychoactive substances).