冬季是上呼吸道感染的多发季节,尤其是幼儿,其发病率很高,严重的还能引起急性喉炎,它的特点是起病急,病情变化十分迅速,可伴有不同程度的呼吸困难,更为严重的是可突然发生喉阻塞,全身性缺氧可危及孩子的生命。孩子得了急性喉炎,除了鼻塞、流鼻涕、咳嗽、发热等上呼吸道感染的症 Winter is the season of upper respiratory tract infection, especially young children, the incidence is high, but also can cause severe acute laryngitis, which is characterized by acute onset, the condition changes very rapidly, may be accompanied by varying degrees of breathing difficulties, More serious is the sudden occurrence of laryngeal obstruction, systemic hypoxia can endanger the child’s life. Children have acute laryngitis, in addition to nasal congestion, runny nose, cough, fever and other upper respiratory tract infection