Psychoanalysis is, in theory and practice, indispensable for psychiatry - and vice versa. Psychoanalysis becomes impoverished if it does not pose itself the challenges that can occur in psychiatric therapy. The book enters new territory when it asks how a psycho-pharmacological treatment and a psychoanalytic treatment interact: What is changed in the therapeutic relationship, if psychotropic drugs are issued? How does the medication dose change, if it is reflected psychodynamically? How can the interaction of psychodynamic and neurobiological effects be scientifically classified? The work gets to the bottom of these important questions and clarifies the meaning and the effects of psychopharmacology for certain mental disorders on a psychoanalytic basis.