每到冬季,医院里便到处都会看到很多咳嗽不止、鼻涕不停的病号,很多人以为自己得了伤风感冒,其实,在冬天里,咳嗽不一定是由感冒引起的,尤其是夜间的咳嗽。咳嗽是人的气管的一种保护机制。在伤风感冒时,气管黏膜肿胀,分泌物增加,黏液积聚,会让气管感到不适,而咳嗽会把黏液咳出,这样就不会阻塞气管了。通常来说,伤风感冒引起的咳嗽在三到五天之内就可痊愈,而如果持续一周以上,可能就要从其他方面寻找一下原因了。 Every winter, the hospital will see many coughs everywhere, nose stop non-stop disease, many people think they have a cold, in fact, in the winter, the cough is not necessarily caused by a cold, especially at night cough . Cough is a protective mechanism of the human trachea. In a cold and flu, tracheal mucosa swelling, increased secretions, mucus accumulation, make trachea feel uncomfortable, and cough will mucus cough, so that will not block the trachea. In general, a cough caused by a cold can be cured within three to five days, and if it lasts for more than a week, you may want to look for other reasons.