hallucinosis

/həˌluːsəˈnoʊsɪs/
noun
  1. A medical condition in which a person experiences hallucinations, often without other psychotic symptoms.
    • Hallucinosis is different from schizophrenia because the person usually knows the hallucinations aren't real.
    • Alcohol hallucinosis can occur in heavy drinkers who suddenly stop drinking.
    • The doctor diagnosed her with organic hallucinosis caused by a brain injury.