The mental or behavioral pattern which can result in considerable distress or difficulty in personal functioning is termed as a psychiatric disorder or a mental disorder. A few types of mental disorders are anxiety disorder, mood disorder, psychotic disorder, personality disorder, eating disorder and sleep disorder. A wide variety of factors can influence the likelihood of a person suffering from psychiatric disorder such as genetics, drug use, environment and personality traits. A psychiatric disorder's symptoms vary on the basis of the disorder, the social environment and the individual. The management of psychiatric disorders involves various methods which can be categorized into therapy, medication and lifestyle changes. This book attempts to understand the multiple psychiatric disorders as well as their causes, symptoms and management. Such selected concepts that redefine research on these disorders have been presented in it. The book is appropriate for students seeking detailed information in this area as well as for experts.