普通感冒（另有流感），临床也叫上呼吸道感染。感冒常伴随着鼻炎、咽炎、喉炎、气管炎及鼻窦炎、中耳炎、口腔中的牙周炎、牙龈炎等症。如果感冒不及时治疗，往往是继发较重病的祸源，它可以继发心肌炎、肾炎、睾丸炎等还能引发慢性病的发作，如冠心病、肺心病、支气管扩张、 Common cold (another flu), clinical also called upper respiratory tract infection. Cold often accompanied by rhinitis, pharyngitis, laryngitis, bronchitis and sinusitis, otitis media, periodontitis in the mouth, gingivitis embolism. If the cold is not treated in time, it is often the source of secondary serious illness, it can be secondary to myocarditis, nephritis, orchitis can also trigger the onset of chronic diseases such as coronary heart disease, pulmonary heart disease, bronchiectasis,