Written for clinicians, this book presents in detail the diagnosis, clinical picture, pharmacotherapeutic and psychotherapeutic treatments for obsessive-compulsive disorder and disorders traditionally included in an obsessive-compulsive spectrum. The book draws on the author's extensive experience as well as reviewing the published evidence, including controlled trials, case series, and case reports. Each chapter ends with treatment planning guidelines summarizing appropriate evaluation and treatment strategies. An extended chapter details the use of all medications that have been reported...