Delve into the intricate realm of Functional Dyspepsia with our comprehensive treatise. From the nuanced understanding of its pathophysiology to the latest diagnostic criteria, this guide offers a thorough exploration of this gastrointestinal disorder. Discover a wealth of information on classification, subtypes, and differential diagnosis, empowering you with the knowledge to navigate the complexities of FD. Explore cutting-edge diagnostic approaches and novel therapeutic targets, alongside traditional and integrative treatment modalities. Whether you're a healthcare professional seeking deeper insights or an individual affected by FD, our treatise provides invaluable insights into the condition's natural history, impact on quality of life, and predictors of poor outcomes. Uncover the holistic approaches to FD management, integrating mind-body interventions, nutritional therapy, and traditional Chinese medicine. Embark on a journey towards comprehensive understanding and effective management of Functional Dyspepsia.