What are the symptoms of upper airway infection

summary

There are many friends suffering from upper respiratory tract infection. In fact, upper respiratory tract infection is a common cold in our life. If patients feel sick, they should go to the hospital immediately for diagnosis and treatment. Do you know the symptoms of upper respiratory tract infection? Do you know the causes of upper respiratory tract infection? What are the symptoms of upper respiratory tract infection? Treatment of upper respiratory tract infection What are the methods? Let's take a look.

What are the symptoms of upper airway infection

First, upper respiratory tract infection is also known as common cold. About 70% - 80% of upper respiratory tract infection is caused by viruses, including rhinovirus, coronavirus, adenovirus, influenza virus and parainfluenza virus, as well as respiratory syncytial virus, ECHO virus and Coxsackie virus. Viruses are the main cause of respiratory tract infection. In addition, bacteria also cause upper respiratory tract infection The following is a detailed introduction of the important causes of gastrointestinal infection.

Second: the other 20% - 30% are caused by bacteria, which may occur simply or after virus infection. The most common oral colonization bacteria are hemolytic streptococcus, followed by Haemophilus influenzae, Streptococcus pneumoniae and Staphylococcus, and occasionally gram-negative bacilli.

Third: however, if we are exposed to pathogens, it still depends on the route of transmission and the susceptibility of the population. Rain, cold, climate change, overwork and so on can reduce the local defense function of the respiratory tract, resulting in the rapid propagation of the original virus or bacteria, or direct contact with patients with pathogens, sneezing, air and contaminated hands and appliances can induce the disease. The old and young people with weak body, low immune function or chronic respiratory diseases such as sinusitis and tonsillitis are more likely to get sick.

matters needing attention

1. Avoid inducement, cold, rain and excessive fatigue; avoid contact with cold patients and dirty hands to contact mouth, eyes and nose. Elderly, frail and susceptible people should pay more attention to protection. When upper respiratory tract infection is prevalent, they should wear masks to avoid going in and out of crowded public places. 2. The main way to prevent the disease is to strengthen the physique, adhere to moderate and regular outdoor sports, and improve the body's immunity and cold resistance. 3. Immunomodulatory drugs and vaccines. Immunopotentiators can be used as appropriate for patients with frequent and recurrent disease and elderly patients with low immunity. At present, there is no vaccine for other viruses except influenza virus.