Taking norfloxacin can not immediately drink alcohol, after taking norfloxacin need to interval 3 days before you can drink alcohol. Alcohol in the ethanol and anti-inflammatory drugs in some components will produce the effect of disulfiram-like reaction, the most typical of such drugs are cephalosporins, although norfloxacin belongs to the levofloxacin class, belongs to the quinolone class of antibacterial agents will not necessarily and alcohol disulfiram-like reaction, but taking norfloxacin can not immediately drink alcohol. Alcohol will make the pharmacokinetics and pharmacokinetics significantly reduced and weakened, alcohol will also accelerate the allergic reaction after taking norfloxacin, and also reduce the release and utilization of the active ingredients of the drug. If drinking alcohol after taking norfloxacin, once the allergic reaction similar to disulfiram-like reaction, need to immediately go to the hospital for desensitization treatment.