You should never drink alcohol after taking cephalosporins, because the chemical composition of cephalosporins will have a disulfiram-like reaction with ethanol in alcohol, and this reaction is the most serious adverse reaction with lethal effects. In mild cases, there will be digestive system symptoms such as nausea, vomiting, abdominal pain, abdominal distension, etc., and skin system problems such as itching, rash, redness, etc.; in serious cases, there will be circulatory system problems such as arrhythmia, tachycardia, chest tightness, shortness of breath, palpitations, etc.; in more serious cases, there will also be dizziness, headache, transient loss of consciousness, unconsciousness, drop in blood pressure, fine and rapid pulse, oliguria, anuria, pallor, wet and cold, etc., of allergic drugs The symptoms of shock. Therefore, you should never drink alcohol after taking cephalosporins, and if you need to drink alcohol, it should be at least 7 days later.