Pediatric laryngeal edema is usually seen in some acute laryngitis, acute allergy and inflammatory irritation can lead to pediatric laryngeal edema, and in children who cry loudly and shout for a long time can also cause laryngeal edema. In pediatric laryngeal edema, the initial manifestations often include fever, runny nose, light cough, red throat, sore throat and other cold symptoms easily confused with the flu. If your baby develops hoarseness and hoarseness or even inability to speak, irritability, barking cough and difficulty in breathing, you should go to the hospital immediately to avoid laryngeal obstruction caused by laryngeal mucous membrane edema that can affect your child’s breathing or even cause asphyxia and circulatory failure.