For those with mild allergic symptoms, only generalized itching without other discomfort, it is recommended to take anti-allergic drugs, such as loratadine and cetirizine, etc. At the same time, attention should be paid to avoid scratching to prevent bacterial infection, and it is recommended to drink more water to promote drug metabolism and excretion. For patients with severe symptoms, in addition to generalized itching of the skin, accompanied by nausea, chest tightness, shortness of breath, palpitations and other peripheral adverse reactions or even anaphylactic shock, it is recommended to seek medical attention immediately and to give glucocorticoids, such as dexamethasone, methylprednisolone and other drugs for intravenous infusion under the guidance of a professional doctor in a timely manner. For patients with anaphylaxis, cardiac drugs such as epinephrine should also be administered intravenously.