险情一:喉炎喉炎是指喉部黏膜发生的炎症。小儿的喉部比较干燥,血管脆弱,局部抵抗力低,一旦有致病微生物侵入,即可引起发炎,是感冒的常见并发症。患喉炎的孩子咳嗽时,会发出像小狗叫一样的“空、空……”声,发展下去还会出现声音嘶哑、憋气等症状。如果喉部出现哨子般的尖厉声音,医学上称为喉鸣,表明喉部已经不很通畅, A dangerous situation: laryngitis laryngitis is the inflammation of the throat mucosa. Pediatric throat is relatively dry, blood vessels weak, local resistance is low, once the pathogenic microorganisms invade, you can cause inflammation, is a common complication of cold. Children suffering from laryngitis cough, will be issued the same as the dog called “empty, empty ... ” sound, the development will continue to appear hoarse voice, suffocation and other symptoms. If the throat whistle-like sharp voice, medically known as throat, that the throat is not very smooth,