This document discusses various treatment modalities in psychiatry including somatic (physical) therapies like psychopharmacology and electroconvulsive therapy, psychological therapies like psychoanalytic therapy and cognitive therapy, milieu therapy, therapeutic community, and activity therapy. It focuses on the role of nurses in psychiatric treatment and outlines general guidelines for drug administration in psychiatry. The various classes of psychotropic drugs are classified into antipsychotics, antidepressants, mood stabilizing drugs, anxiolytics and hypnosedatives, antiepileptic drugs, and antiparkinsonian drugs.