Psychotic

Schizophrenia is a serious mental disorder affecting somewhat less than one percent of people over their lifetime, typically emerg...

Psychosis is a symptom, not a diagnosis, describing a loss of contact with reality. It can occur in schizophrenia and related diso...

Schizoaffective disorder is a condition in which a person has symptoms of schizophrenia, such as delusions or hallucinations, toge...

Delusional disorder is characterized by one or more delusions lasting at least a month in a person who does not otherwise meet cri...

Brief psychotic disorder involves the sudden onset of at least one psychotic symptom, such as delusions, hallucinations or disorga...

Schizophreniform disorder has the same characteristic symptoms as schizophrenia, including delusions, hallucinations, disorganized...

Catatonia is a syndrome of marked psychomotor disturbance first described in detail by the German psychiatrist Karl Kahlbaum in 18...