There are many types of cephalosporins and their half-lives vary more or less. It is usually recommended not to drink alcohol within 7 days after stopping the drug, not only after stopping the drug, but also during and 5 days before the drug to avoid the occurrence of disulfiram-like reactions. Disulfiram-like reaction, mainly manifested as chest tightness, shortness of breath, laryngeal edema, dyspnea, accelerated heart rate, decreased blood pressure, weakness of the limbs, facial flushing, excessive sweating, insomnia, headache, nausea, vomiting, hallucinations, drowsiness, and even anaphylactic shock, with a drop in blood pressure of up to 60-70 mmHg at high pressure and 30-40 mmHg at low pressure, accompanied by loss of consciousness.