What is lower respiratory tract infection

summary

We usually come into contact with a lot of diseases related to upper respiratory tract infection. When it comes to lower respiratory tract infection, many people may not be very clear. For example, pneumonia belongs to lower respiratory tract infection. Now let's take a look at what is called lower respiratory tract infection.

What is lower respiratory tract infection

First of all: respiratory tract infection is divided into upper respiratory tract infection and lower respiratory tract infection. Upper respiratory tract infection was divided into viral (70-80%) and bacterial (20-25%). Common cold (commonly known as cold) is usually caused by rhinovirus, adenovirus, respiratory syncytial virus, etc. it is characterized by sneezing, runny nose, sore throat, and a few have fatigue, low fever and other symptoms. Influenza is caused by influenza virus, there are small epidemics or outbreaks, high fever, muscle soreness, conjunctivitis and other symptoms.

Secondly: lower respiratory tract infection is the most common infectious disease, and the pathogen causing infection must be identified in order to select effective antibiotics. The choice of antibiotics in clinic is increasing, and the drug-resistant strains are also increasing. Because of the application of large doses of cephalosporins, nosocomial infections, especially Pseudomonas aeruginosa and Enterococcus, are increasing. With the development of serology and molecular biology, the understanding of mycoplasma, chlamydia or Legionella infection has been greatly improved. Fluoroquinolones and macrolides have attracted much attention.

Finally: lower respiratory tract infection includes acute tracheobronchitis, chronic bronchitis, pneumonia, bronchiectasis, etc. It is caused by virus, bacteria, mycoplasma, chlamydia, Legionella and other microorganisms. A clear and general classification of diseases can enable us to have a certain understanding of this kind of diseases.

matters needing attention

Generally speaking, the disease of lower respiratory tract infection is more harmful and complex. When it comes to specific diseases, it should be treated according to the characteristics of the disease, and nursing measures should be taken.