随着天气的转凉,呼吸系统疾患又有上升的趋势,就笔者多年的临床经验,向大家介绍止咳药的适应及禁忌,以便科学选用止咳药。咳嗽是呼吸系统受到刺激时所产生的一种防御性反射活动。轻度的咳嗽属正常生理现象,对人体是有益的,其目的在于清除呼吸道异物,保持肺和气管内通畅无阻。但 As the weather turns cooler, there is an upward trend in respiratory diseases. Based on many years of clinical experience, I introduce the adaptation and contraindication of cough medicine to facilitate the scientific use of cough medicine. Cough is a defensive reflex activity when the respiratory system is stimulated. Mild cough is a normal physiological phenomenon, is beneficial to the human body, its purpose is to clear the foreign body of the respiratory tract, to keep the lungs and trachea unimpeded. but