Most common of all psychiatric disorders are
Anxiety is the commonest psychiatric symptom in clinical practice and anxiety disorders are one of the commonest psychiatric disorders in general population. Anxiety is a normal phenomenon, which is characterised by a state of apprehension or unease arising out of anticipation of danger. (Ref: A sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no 89)
Anxiety disorder
Schizophrenia
Depression
Mania
Anxiety disorders stress disorders and grief