每次感冒,我的鼻子都会堵塞,不通气,可难受了。那么,为什么感冒时会鼻塞呢?A:感冒大多数是由病毒引起的,人感冒时主要病变部位是上呼吸道,因此,医学上又将感冒称为“上呼吸道感染”。上呼吸道包括鼻子、咽喉、气管等部分,是气体进出我们身体的必经之路。感冒发生时, Every time a cold, my nose will be blocked, no ventilation, can be uncomfortable. So, why colds when the flu it? A: The majority of the flu is caused by a virus, the main lesion in the cold is the upper respiratory tract, therefore, the medicine called the “upper respiratory tract infection.” Upper respiratory tract, including the nose, throat, trachea and other parts of the gas is the only way out of our body. When a cold occurs,