You should not drink alcohol until about 7 days after taking cephalosporins. You should not drink alcohol after taking cephalosporins. Otherwise, it may cause the patient to develop a disulfiram-like reaction, which can lead to symptoms such as panic, vomiting, dizziness, and facial flushing. A disulfiram-like reaction may occur regardless of the amount of alcohol consumed after taking cephalosporins, so alcohol should not be consumed within 7 days before and after using cephalosporins. In addition to cephalosporins, nitroimidazoles, hypoglycemics and other drugs may also cause disulfiram-like reactions. If you need to drink alcohol, you need to use the drug after 7 days, before you can drink alcohol. However, drinking alcohol is not good for health and should be quit as much as possible. Drugs should be applied under the guidance of a doctor.