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How is acute laryngitis caused?

This disease is an acute inflammation caused by bacteria or viruses invading the throat. Common pathogens are pneumococcus, staphylococcus, hemolytic streptococcus and so on. In recent years, various respiratory viruses are also the main reasons.

Acute laryngitis in children mostly occurs in winter and spring, and it is more common in 2~3 years old. It may also happen to older children. It can be directly infected by bacteria or viruses, and it can also be secondary to measles, which is one of the common complications of measles.

Because children's larynx is narrow and submucosal blood vessels are abundant, mucosal congestion and edema are prone to occur during inflammation, which narrows the glottis and laryngeal cavity. Mild systemic symptoms are not obvious, body temperature is normal, only hoarseness and barking cough, or "empty" cough like broken bamboo, no symptoms of dyspnea; Severe cases often have acute onset and sudden high fever. Shortly after the onset, in addition to hoarseness and barking cough, it is often accompanied by respiratory obstruction symptoms, that is, inspiratory dyspnea, wheezing when inhaling, accompanied by suprasternal fossa, infrasternal xiphoid process and intercostal soft tissue depression. If not carefully observed and treated, the degree of obstruction can develop from mild to severe, and even cause suffocation. At this time, the face is blue, the whole body is extremely tired, or agitated; There are not many lung diseases, only rough breathing sounds, or a little rough and moist rales.

Preventing colds and colds is the main measure to prevent and treat this disease. Pay attention to prevent laryngitis after suffering from measles. Active treatment should be taken after the onset to prevent the occurrence and progress of laryngeal obstruction, give children plenty of boiled water, and keep indoor humidity and temperature. When severe laryngeal obstruction occurs, it is necessary to actively rescue every second, and oxygen intubation or tracheotomy is necessary.