To diagnose depression, symptoms should last at least for: (A) 4 weeks, (B) 6 months, (C) 2 weeks, (D) 6 weeks
Answer is C. Symptoms should last for at least 2 weeks, for cyclothymia -mild form of depression, symptoms should last for 2 years Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 604-607