This chapter contains section titled: Introduction Airway inflammation and asthma Airway hyperresponsiveness in asthma Mechanisms of airway hyperresponsiveness Cough‐variant asthma Eosinophilic bronchitis without airway hyperresponsiveness Airway hyperresponsiveness and cough sensitivity Mechanisms of cough in asthma Management of cough in asthma Conclusions Introduction Airway inflammation and asthma Airway hyperresponsiveness in asthma Mechanisms of airway hyperresponsiveness Cough‐variant asthma Eosinophilic bronchitis without airway hyperresponsiveness Airway hyperresponsiveness and cough sensitivity Mechanisms of cough in asthma Management of cough in asthma Conclusions