Causes of respiratory infections in children

Children's respiratory tract infections may be caused by children getting infected with heat, or they may be caused by weather changes or environmental problems. Therefore, we should understand the causes of children's respiratory tract infections. Generally speaking, for children with respiratory tract infections, we should provide timely treatment, take medicine according to the doctor's advice and pay attention to respiratory hygiene.

Repeated infections in infants and preschool children who mainly suffer from respiratory tract infections are mostly related to improper care, the initial stage of admission to childcare institutions, lack of exercise, migration of residence, passive inhalation of smoke, environmental pollution, lack of trace elements or unreasonable combination of other nutrients; some are related to chronic lesions in the nasopharynx, such as rhinitis, sinusitis, enlarged tonsils, enlarged adenoids, chronic tonsillitis, etc.

Abbreviated as influenza, the disease has an acute onset, is contagious, and has changeable symptoms, mainly systemic poisoning symptoms, with milder respiratory symptoms. There are chills, high fever (39-40 degrees), general discomfort, soreness in the waist, back and limbs, fatigue, headache, dizziness, sneezing, nasal congestion, runny nose, sore throat, dry cough, and little sputum. Physical examination showed a very ill appearance, weakness, flushed face, congestion and edema in the nasopharynx, and a small amount of moist rales or wheezing in the lower lungs. Leukocytopenia and relative increase in lymphocytes. If secondary bacterial infection occurs, there may be yellow purulent sputum, rusty sputum, bloody sputum, chest pain, and an increase in the total white blood cell count and neutrophil count. The course of the disease is 3-5 days.

The disease is more common in winter and spring; it is mainly characterized by pharyngeal inflammation, with symptoms such as pharyngeal discomfort, itching, burning sensation, and sore throat, which may be accompanied by fever, fatigue, etc.; during examination, there is obvious congestion and edema of the pharynx, and enlarged and tender submandibular lymph nodes; the white blood cell count in routine blood tests may be normal or decreased, and the proportion of lymphocytes is increased; the viruses isolated are mostly adenovirus, parainfluenza virus, and respiratory syncytial virus.

The above introduces the causes of respiratory tract infections in children in detail. I hope you can pay attention to the causes of respiratory tract infections in children in your life and prevent these causes. For children with respiratory tract infections, we should pay attention to environmental hygiene in our lives and avoid living in places with too much dust.