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感冒是一种常见病,是由于多种病毒引起的上呼吸道感染。 当过度疲劳、受惊、淋雨、受寒时,感冒病毒可迅速繁殖,释放毒素,引发鼻、咽、喉部发生炎症。此时咽部细胞失去抵抗力,口腔中一般不危害人体的细菌会乘势繁殖,引起细菌继发感染。 感冒有哪些症状 感冒一般不发热,个别出现有37.2℃～37.3℃低烧,全身症状有懒倦、肌肉酸痛、头痛、头晕,有腹胀、腹痛、腹泻者,鼻腔部症状为流涕、鼻塞、喷嚏、咽干、咽痛、轻咳、有痰或无痰。典型症状可持续3天左右。
Cold is a common disease, due to a variety of viruses caused by upper respiratory tract infection. When over-fatigue, frightened, rain, cold, the virus can quickly multiply, toxins, nasal, pharynx, throat inflammation. At this point pharyngeal cells lose their immunity, the oral cavity is generally not harmful to the human body bacteria multiply, causing bacterial secondary infection. What are the symptoms of a cold Common cold does not fever, there were 37.2 ℃ ~ 37.3 ℃ low fever, systemic symptoms are lazy, muscle soreness, headache, dizziness, bloating, abdominal pain, diarrhea, nasal symptoms of runny nose, stuffy nose, sneeze , Throat, sore throat, light cough, sputum or sputum. Typical symptoms can last about 3 days.