According to ICD 10, the symptoms of schizophrenia should persist for how long for its diagnosis?: (A) 2 months, (B) 1 month, (C) 6 months, (D) 2 weeks
Answer is B. According to recent ICD 10, It is 1 month and according to DSM 5 it is 6 months to diagnose schizophrenia Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 365