Rabies vaccine allergy can be treated as follows: a. If a mild allergic reaction occurs, it can be treated by intravenous application of dexamethasone or intramuscular injection of promethazine hydrochloride, and if the symptoms are more serious, hydrocortisone or methylprednisolone can also be given intravenously or intravenous drip for treatment, and more serious patients may have complications such as cerebral edema and pulmonary edema, and it is recommended that they should go to a regular It is recommended to go to a regular hospital for resuscitation treatment in order to prevent cardiac arrest. Second, the allergic reaction to rabies vaccine usually occurs within half an hour after the injection of rabies vaccine, it is recommended that the injection should be observed for half an hour before going home, and if an allergic reaction occurs during this period, timely treatment should be carried out in the injection unit. If the symptoms are serious, if the injection unit does not have rescue conditions, you should go to a regular hospital for treatment in time so as not to miss the best time for treatment.