Bacterial upper respiratory tract infection in babies is usually an inflammatory manifestation caused by bacteria invading into the respiratory tract. The cause of the disease may be related to decreased immunity, direct contact with the source of infection, chronic respiratory disease.
1. Immunity decline: baby cold, improper feeding will lead to the baby immunity decline, when the body or respiratory tract local defense function is reduced, the original presence of bacteria in the upper respiratory tract or invasion from the outside rapidly multiply, triggering bacterial upper respiratory tract infection.
2. Direct contact with the source of infection: direct contact with patients carrying pathogens, bacterial upper respiratory tract infections induced by sneezes, air and contaminated hands and utensils.
3. Chronic respiratory disease: If the baby originally suffered from sinusitis, tonsillitis and other chronic respiratory diseases, it is more likely to suffer bacterial attack, causing bacterial upper respiratory tract infection.
Baby bacterial upper respiratory tract infection may also be seen in other causes, when the baby bacterial upper respiratory tract infection should be timely medical treatment to avoid causing pneumonia, bronchitis and other complications.