In addition, the psychiatric disorder should Appear within 1 month of substance intoxication or withdrawal Cause significant distress or impaired functioning Not have manifested before use of the substance Not occur solely during acute delirium caused by the substance Not persist for a substantial period of time * * Certain neurocognitive disorders caused by alcohol, inhalants, or sedative-hypnotics and perceptual disorders caused by hallucinogens may be long-lasting.