This book first describes the history and development processes of antipsychotics (early developments, conventional antipsychotics, atypical antipsychotics and future developments). Secondly, the development of adjuvant treatment options is described. Non-pharmacological treatment options are also briefly mentioned. Finally, the symptoms and backgrounds of schizophrenia are described. This book provides insight into the chemistry and pharmacology of antipsychotics and also into the backgrounds, causes and treatment of schizophrenia. In this Fourth Scientific edition, some new developments are discussed and new aspects are named.