This edition teaches you an evidence-based, step-by-step process for evaluating, diagnosing, and treating patients based on their clinical complaints. By applying this process you will be able to recognize specific diseases and prescribe the most effective therapy. Each chapter addresses a common patient complaint and begins with a case &​ guidance on how to organize the differential diagnosis. As the case progresses, clinical reasoning is explained in detail to either confirm or refute a diagnosis. Filled with algorithms, summary tables, and questions that direct evaluation, this new edition is enhanced by the edition of 5 new chapters, all incorporating the latest research resulting in new &​ refined approaches to common symptoms encountered in clinical medicine.