Obstructive lung disease is a category of respiratory disease characterized by airway
obstruction. Many obstructive diseases of the lung manifest due to the narrowing of bronchi
which often cause excessive contraction of smooth muscles. The major types of obstructive
lung disease include asthma, bronchiectasis, bronchitis and chronic obstructive pulmonary
disease (COPD). Increase in prevalence of COPD and asthma patients, rising geriatric
population, increase in pipeline products, growing govern 更多
