Delusional Disorder & Brief Psychotic Disorder

Two "non-schizophrenic" psychoses that are disproportionately loved by NEET PG examiners. Delusional disorder is the syndrome of an encapsulated, non-bizarre delusion in an otherwise intact personality, while brief psychotic disorder is defined almost entirely by its duration (≥1 day but <1 month). Master the subtypes, the eponymous syndromes (de Clérambault, Capgras, Othello, Fregoli), and folie à deux, and you will…