Substance-induced psychosis

Substance-induced psychosis (commonly known as toxic psychosis or drug-induced psychosis) is a form of psychosis that is attributed to substance use. It is a psychosis that results from the effects of chemicals or drugs. Various psychoactive substances have been implicated in causing or worsening psychosis in users. Psychosis Psychosis manifests as disorientation, visual hallucinations and/or haptic hallucinations. It is a state in which a person's mental capacity to recognize reality, communicate, and relate to others is impaired, thus interfering with the capacity to deal with life's demands. While there are many types of psychosis, substance-induced psychosis can be pinpointed to specific chemicals. Rates of drug use amongst people with schizophrenia are higher than the general population; 50% of those diagnosed with schizophrenia use substances over their life. There is a model that this arises because those with schizophrenia self-medicate with psychoactive drugs. A 2019 systematic review and meta-analysis found that the of people diagnosed with substance-induced psychosis went on to be diagnosed with schizophrenia, compared with for brief, atypical and not otherwise specified psychoses. The substance present was the primary predictor of transition from drug-induced psychosis to schizophrenia, with highest rates associated with cannabis (), hallucinogens () and amphetamines (). Lower rates were reported for opioid (), alcohol () and sedative () induced psychoses. Transition rates were slightly lower in older cohorts but were not affected by sex, country of the study, hospital or community location, urban or rural setting, diagnostic methods, or duration of follow-up. Psychotic states may occur after using a variety of legal and illegal substances. Substances whose use or withdrawal is implicated in psychosis include the following: Psychoactive substance-induced psychotic disorders outlined within the ICD-10 codes F10.5—F19.5: F10.