Laryngeal edema, most of them are infection or allergy related, according to different conditions, choose the first aid preferred drugs, mainly adrenaline and glucocorticoid drugs. 1. When laryngeal infections or severe allergic reactions can trigger the phenomenon of laryngeal edema, mainly manifested as laryngeal wheezing, hoarseness, dyspnea and other symptoms. 2. If there is an allergic reaction caused by laryngeal edema, most of the serious complications such as asphyxia, the need for combined use of epinephrine and glucocorticosteroid drugs, glucocorticosteroid drugs such as methylprednisolone, dexamethasone and other drugs. 3. If the laryngeal edema is caused by infection and other factors, you can use a large dose of glucocorticoid drugs, if necessary, can be combined with antibiotic drugs for treatment, such as ceftriaxone. Laryngeal edema needs timely medical treatment, so as not to cause airway obstruction to the body to bring harm.