Definition: A form of hypersensitivity affecting the respiratory tract. It includes ASTHMA and RHINITIS, ALLERGIC, SEASONAL. Synonym(s): Hypersensitivity, Respiratory / Hypersensitivities, Respiratory / Respiratory Hypersensitivities / Narrow term(s): Alveolitis, Extrinsic Allergic Asthma Aspergillosis, Allergic Bronchopulmonary Rhinitis, Allergic, Perennial Rhinitis, Allergic, Seasonal
Subheadings: complications / diagnosis / embryology / epidemiology / etiology / metabolism / microbiology / surgery / therapy