The fifth edition of the "Manual of Allergy and Immunology" is designed to serve health care professionals in the diagnosis and management of allergic and other immunological disorders‎.‎ The manual presents the basic and essential material and provides specific information to assist in clinical decision‎-making and treatment planning‎.‎ The specialist will find this manual a convenient reference handbook‎,‎ while the generalist will be able to use the Manual as a helpful guide in formulating a diagnostic and therapeutic approach to patients suspected of having an allergic or immunologic disorder‎.‎ Students‎,‎ house officers‎,‎ and other health care professionals will find the Manual a useful guide to the clinical practice of allergy and immunology‎.‎ New for this edition‎:‎ additional tables provide extensive data for basic and clinical understanding‎;‎ increased use of algorithms to help provide quick diagnosis‎;‎ references include both published literature and authoritative‎;‎ internet resources for more extensive discussion of each subject‎;‎ and therapeutic recommendations are consistent with current evidence‎-based guidelines to provide the latest information‎.‎ It uses the familiar "Lippincott Manual" outline format to organize information and save time in looking up information‎.‎