Brief Psychotic Disorder Clinical Presentation
- Author: Mohammed A Memon, MD; Chief Editor: David Bienenfeld, MD more...
History
DSM-IV-TR diagnostic criteria require presence of one or more of the following: delusions, hallucinations, disorganized speech, or grossly disorganized or catatonic behavior. These criteria also require an episodic duration of the disturbance for at least 1 day but less than 1 month, with eventual return to the premorbid level of functioning. According to the DSM-IV-TR, the diagnosis of brief psychotic disorder can be specified as with or without marked stressors or with postpartum onset.[4, 5] Some clinicians believe that persons with personality disorders (eg, narcissistic, paranoid, borderline, schizotypal) are more prone to develop brief psychotic disorder in stressful situations.[6]
- Patients with brief psychotic disorder have an abrupt onset of one or more of the following symptoms:
- Delusions: Rapidly changing delusional topics
- Hallucinations
- Bizarre behavior and posture
- Disorganized speech
- Patients may present with a variety of associated symptoms, including the following:
- Affective symptoms: Rapidly changing mood
- Disorientation (A careful Mental Status Examination can distinguish this from delirium, dementia, or other organic brain syndromes.)
- Impaired attention
- Catatonic behavior (for some patients)
- Characteristic symptoms in brief psychotic disorder
- Emotional volatility
- Outlandish dress or behavior
- Screaming or muteness
- Impaired memory for recent events
Physical
- Routine physical examination is necessary to exclude medical causes of psychosis.
- Mental Status Examination: Patients usually present with severe psychotic agitation that may be associated with strange or bizarre behavior, uncooperativeness, physical or verbal aggression, disorganized speech, screaming or muteness, labile or depressed mood, suicidal and/or homicidal thoughts or behaviors, restlessness, hallucinations, delusions, disorientation, impaired attention, impaired concentration, impaired memory, poor insight, and poor judgment.
- Psychological stressors in individuals with personality disorders may precipitate brief periods of psychotic symptoms. In such cases, if symptoms persist longer than 1 day, an additional diagnosis of brief psychotic disorder may be considered.
Causes
Causes are largely unknown.
- Patients with personality disorder may have biological or psychological vulnerability toward the development of psychotic symptoms.
- One or more severe stress factors, such as traumatic events, family conflict, employment problems, accidents, severe illness, death of a loved one, and uncertain immigration status, can precipitate brief reactive psychosis.
- Some studies support a genetic vulnerability to brief psychotic disorder.
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