Normally, the human body should not drink alcohol or alcoholic beverages until 7 days after the intravenous infusion of cephalosporin. It takes about 7 days for cephalosporin to be completely metabolized and excreted after entering the body. If cephalosporin is not completely metabolized in the blood when drinking alcohol or alcoholic beverages, it will lead to the accumulation of acetaldehyde in the body and symptoms of poisoning, which is clinically known as disulfiram reaction, and patients often show symptoms such as headache, dizziness, facial flushing, blurred vision, nausea, vomiting, sweating, etc. Serious cases may cause shock or even death. In addition, in addition to cephalosporins, metronidazole, tinidazole, ketoconazole, furazolidone, chloramphenicol, phenibut and other drugs can also cause disulfiram reactions. Therefore, patients who have a disulfiram reaction must immediately stop taking drugs, stop drinking alcohol or alcoholic beverages, and promptly go to the infection medicine department or emergency room of a regular hospital to remove vomiting and secretions, keep breathing open, and treat accordingly.