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大多数人都患过感冒,有的人认为得了感冒无所谓,不必诊治,忍几天就好了。这种想法对患者,尤其是儿童患者极为有害。感冒主要由病毒引起,有传染性,可继发细菌感染。当身体受凉时,鼻粘膜的血管开始收缩,局部缺氧,温度降低,代谢障碍,其防御功能遭到破坏,病毒便乘隙而入。另外,鼻粘膜的最适湿度是相对湿度45%左右。当天气干燥或冬季采暖过热时,鼻粘膜表面覆盖的粘液毯受到影响,
Most people have had a cold. Some people think it does not matter if they have a cold. This idea is extremely harmful to patients, especially children. Cold mainly caused by a virus, contagious, secondary bacterial infection. When the body is cold, the blood vessels of the nasal mucosa begin to contract, local hypoxia, temperature drops, metabolic disorders, and their defenses are destroyed and the virus enters the gap. In addition, the optimal nasal mucosa humidity is about 45% relative humidity. When the weather is dry or overheated in winter, the mucous blanket covered on the nasal mucosa surface is affected,