Brief Psychotic Disorder

Sudden onset of psychotic symptoms lasting ≥1 day but <1 month, followed by full return to premorbid functioning.

Etiology (Biopsychosocial Model)

Biological: May occur in vulnerable individuals during extreme stress.

Psychological: Personality traits (e.g., histrionic, borderline).

Social: Cultural shock, grief, trauma, postpartum period.

Symptoms & Diagnosis (Mnemonic: FLEET)

  • F - Fast onset and Fast recovery
  • L - Lasts less than 1 month
  • E - Excludes mood, substance, or medical causes
  • E - Episodic return to baseline
  • T - Typical psychotic symptoms (delusions, hallucinations, disorganized speech/behavior)

Treatment

  • Supportive therapy during acute episode
  • Short-term antipsychotics (if distressing)
  • Safety monitoring, psychoeducation

Info

DSM-5-TR Code

F23

Prevalence

2–7% of first-onset psychosis cases; slightly more common in women.

Personal Remarks

It may look like a mental “storm,” but with the right support, most return to full clarity — though follow-up is vital to rule out recurring disorders.