Respiratory Hypersensitivity

**Definition:** A form of hypersensitivity affecting the respiratory tract. It includes ASTHMA and RHINITIS, ALLERGIC, SEASONAL.

**Tree numbers:** - C08.674 - C20.543.480.680

**Synonyms:** - Hypersensitivity, Respiratory - Airway Hyper-Responsiveness - Airway Hyperresponsiveness