This text provides a comprehensive, state-of-the art review of pharmacotherapy for the overactive bladder, and serve as a valuable resource forclinicians, surgeons, and researchers with an interest in OAB. The early chapters will describe the pathophysiology of OAB, algorithm, and provide the readers with a practical guide for evaluating the OAB patient. The next section describes the unique challenges involved in the study of OAB and helps the reader navigate the complexities of the literature on the topic. All chapters are written by experts in their fields and include the most up-to-date scientific and clinical information. The text includes a review of the clinical guidelines for OAB, and a detailed description of the individual therapies, including antimuscarinics, Beta-3 agonists, (insert comma) and chemodenervation.