mental health disorders
Substance and Medication Induced Psychotic Disorders
Introduction
Substance- or medication-induced psychotic disorder is characterized by hallucinations and/or delusions due to the direct effects of a substance or withdrawal from a substance in the absence of Delirium . Episodes of substance-induced psychosis are common in emergency departments and crisis centers. Many substances may bring on these episodes, including Alcohol Use , Symptoms are often brief and disappear once the drug that is causing the symptoms is cleared from the body, but psychosis triggered by amphetamines,cocaine, or PCP may last for many weeks. (See also Introduction to Schizophrenia and Related Disorders .) 