What causes coughing in young children with asthma?

Patient's question:

Asthma, cough, but no cold

Doctor's answer:

Disease Analysis: It is recommended to combine traditional Chinese and Western medicine...
Medical Advice: Anti-inflammatory drugs:
① Corticosteroids: Prednisone Budesonide
② Leukotriene antagonists: Zafirlukast Zileuton
③ Inflammatory mediator release inhibitors: Sodium Oxybuprocaine Ketotifen
④ Inflammatory mediator antagonists: Fexofenadine