This practical guide to allergology, written by a team of experts in the field, covers essential topics in allergy diagnosis and treatment. It includes detailed chapters on basic immunology, the significance of panallergens, in vivo and in vitro diagnostic tests, respiratory functional exploration, differential diagnosis of allergic diseases, and specific conditions such as bronchial asthma, atopic dermatitis, and food allergies. The book is aimed at medical professionals specializing in allergology and related fields, providing them with comprehensive and up-to-date information to enhance their clinical practice.