The inflammation of the gastrointestinal tract, which includes the stomach and small intestine, is known as gastroenteritis or infectious diarrhea. Vomiting, diarrhea, dehydration, lack of energy, fever and abdominal pain are some of its common symptoms. Viruses such as rotavirus, adenovirus and norovirus, and bacteria such as Campylobacter jejuni, Shigella and Escherichia coli are some of the causes of gastroenteritis. Assessment of the stool, serum glucose, electrolytes and kidney function are some common ways to diagnose gastroenteritis. Oral rehydration therapy and the intake of medicines like, metoclopramide, ondansetron and butylscopolamine are helpful. This book explores new techniques and their applications for the clinical assessment and management of gastroenteritis. It consists of contributions made by international experts. Those in search of information to further their knowledge will be greatly assisted by this book.