<unk>  ⁠— according to the classifications of mental<unk> s DSM-IV-TR and DSM-5 ⁠— is a<unk>  condition involving the sudden onset of at least one<unk>  symptom (such as disorganized thought/speech, delusions, hallucinations, or grossly disorganized or catatonic behavior) lasting 1 day to 1 month, often accompanied by emotional turmoil. Remission of all symptoms is complete with patients returning to the previous level of functioning. It may follow a period of extreme stress including the loss of a loved one. Most patients with this condition under DSM-5 would be classified as having acute and transient<unk><unk> s under ICD-10. Prior to DSM-IV, this condition was called<unk>  reactive psychosis." This condition may or may not be recurrent, and it should not be caused by another condition. The term bouffée délirante describes an acute non-affective and non-schizophrenic<unk><unk> , which is largely similar to DSM-III-R and DSM-IV<unk><unk>  and schizophreniform<unk> s. __TOC__
Brief psychotic disorder
Childhood schizophrenia
Post-schizophrenic depression
Secondary mania
Unitary psychosis
Disorganized schizophrenia
Schizoaffective disorder
Bipolar disorder not otherwise specified