Taking norfloxacin this anti-infective drugs during is not allowed to drink alcohol. Norfloxacin belongs to the quinolone class of antibiotics, and drinking alcohol while taking the drug may increase the risk of some adverse drug reactions, such as possible drug allergies, resulting in skin rashes, hives, itching, and even angioneurotic edema. In addition, drinking alcohol while taking norfloxacin can also increase the risk of some gastrointestinal symptoms such as nausea, vomiting, abdominal pain and diarrhea. Most of these antibiotics need to be metabolized by the liver, if you drink alcohol may increase the risk of some liver damage transaminase elevation. So in taking norfloxacin for anti-infection treatment is not allowed to drink alcohol, in order to avoid the above-mentioned adverse reactions. And may also affect the efficacy of the drug, not conducive to the healing of the infection.