Cephalosporin is a general term for cephalosporin antibacterial drugs, and cephalosporin antibacterial drug allergy is usually a lifelong thing. The human body has an immune system that contains a variety of immune cells, immune mediators, immune factors, etc. Some of these immune cells have memory, if the patient’s body has an allergic reaction to this drug, causing the patient to have a rash, tightness in the chest, shortness of breath, dyspnea, profuse sweating, and other clinical manifestations. These immune cells will exist for life, the patient’s constitution is generally difficult to change, so the patient’s allergy to cephalosporin will exist for life. Cephalosporin is a widely used antibiotic in the clinic, if the patient has a history of alcohol consumption or allergy is not recommended to apply cephalosporin antibiotics. Avoid spicy, stimulating, greasy food during the period of taking the drug, so as not to affect the efficacy of the drug. If you are allergic to cephalosporins, you should stop taking cephalosporins and go to the hospital.