Allergic cough

Allergic cough is also called atopic cough (AC). Allergic cough is a chronic dry cough with a duration of more than or equal to 8 weeks. The patient has clear atopic factors. The clinical characteristics are: Causeless chronic cough, paroxysmal irritant dry cough, or a small amount of white foam-like sputum; chemical odors such as inhalation of smoke or paint, dichlorvos can be aggravated, because the cough only occurs at night or in the morning In children, the onset time is relatively fixed.