If you are allergic to monosodium glutamate, you need to stop eating monosodium glutamate in time, and then you can't put monosodium glutamate in cooking. Medication can be used according to the symptoms of allergy. If there are systemic symptoms such as nausea and vomiting, dizziness, abdominal pain, diarrhea, etc., you can take anti allergy drugs such as cetirizine hydrochloride tablets under the guidance of the doctor; If accompanied by skin itching, you can apply glucocorticoid ointment locally, and also avoid scratching and clothing friction. At ordinary times, pay attention to diet and nutrition, avoid eating fish, shrimp, beef and mutton, and strengthen physical exercise to enhance the body's resistance.