What reason is upper respiratory tract phlegm

summary

Upper respiratory tract infection is the common cold, many people will appear, whether it is adults or children. The incidence rate is very high, and is usually seen in spring. Patients will have many different symptoms, mainly according to the different etiology and the scope of the disease to divide, what is the cause of upper respiratory tract phlegm, I'll tell you about it.

What reason is upper respiratory tract phlegm

First: most of the upper respiratory tract infections are caused by viruses, such as rhinovirus, coronavirus, adenovirus, parainfluenza virus, respiratory syncytial virus and so on. In addition, some patients' upper respiratory tract infections are caused by bacterial infections.

Second: the most common pathogenic bacteria is hemolytic streptococcus. In addition, Haemophilus influenzae, pneumococcus and so on are also common pathogenic bacteria. Under certain factors, it can lead to the rapid propagation of viruses and bacteria, and induce diseases, such as cold, rain, climate change and overwork.

Third: patients will be in the systemic or local respiratory defense function is reduced in the case of symptoms. In addition, the old and young weak, low immune function is also very easy to appear symptoms of upper respiratory tract infection, we need to pay attention to timely treatment.

matters needing attention

Usually to avoid excessive fatigue, more to ensure adequate sleep. Keep a good mood and avoid being too nervous and depressed. But also to strengthen physical exercise, enhance the body's resistance.