最近感冒的人非常多,很多人感冒好了之后余咳不断。这时倒不需要着急用药,不妨等上两个月。感冒后咳嗽一般是是由于病毒感染后引起的一过性气道高反应,主要是喉咙痒、刺激性干咳无痰或少痰,症状通常持续3至8周。这类人拍X光片、验血等检查一般不会发现异常,这种情况一般不需要立即用药。由于止咳药有温化寒痰、清化热 Recently, many people have a cold, many people have a good cold after I continued cough. At this point do not need to urgently medication, may wish to wait two months. Cold cough is generally due to a transient post-viral infection caused by airway hyperresponsiveness, mainly itchy throat, irritating cough without sputum or phlegm, the symptoms usually last for 3 to 8 weeks. Such people take X-ray film, blood tests and other tests generally do not find abnormalities, this situation generally do not need immediate medication. Because cough medicine has a warm cold phlegm, Qinghua heat