Cephalosporin at noon, if you drink alcohol at night may cause disulfiram reaction, so that the body shows dizziness, weakness and other symptoms, if more serious, there may be a rapid heartbeat, nausea, or even coma, as well as sudden death and other symptoms occur. Because the interval between noon and evening is relatively short, the cephalosporins have not been completely metabolized. Generally, it is clinically recommended to drink alcohol after taking cephalosporin for at least a week. When taking cephalosporin, you should also pay attention to whether your body is allergic to cephalosporin, if you are allergic to cephalosporin, you need to change other drugs. If you eat cephalosporin at noon, the body cephalosporin has not been completely metabolized, drink alcohol after the body discomfort, you need to immediately go to the hospital to take first aid measures, so as to avoid harm to the health of the body.