Definition of bronchial asthma

(C) Chronic inflammtion with airway hyperactivity# BRONCHIAL ASTHMA is a chronic, inflammatory disease of the respiratory tract, which is characterized by bronchial hyper- reactivity and respiratory obstruction. Allergic rhinitis is an allergic inflammation of the nasal airways.> Chronic bronchitis is one type of COPD (chronic obstructive pulmonary disease). The inflamed bronchi produce a lot of mucus.> Pneumonia is an inflammatory condition of the lung affecting primarily the microscopic air sacs known as alveoli. It is usually caused by infection with viruses or bacteria.