Cephalosporins taken at lunchtime and drunk at night need to drink a lot of water and always pay attention to their own situation, if there is weakness, vomiting, nausea, as well as dyspnea, palpitations (rapid heartbeat, often accompanied by panic) and other physical discomfort, you need to immediately seek medical attention. Cephalosporins include cephalexin, ceftazidime and cefuroxime. The instructions indicate that cephalosporins should not be consumed after taking the medication. If there is a case of drinking alcohol at night after taking cephalosporins at noon, you should drink a lot of water to help promote the elimination of the drug, but you also need to pay attention to your own situation at all times. If there is any physical discomfort, including weakness, vomiting, nausea, as well as breathing difficulties, palpitations, etc., you need to go to the hospital immediately for standardized treatment, otherwise the situation may be serious enough to cause death. Usually, if you want to drink alcohol, it is recommended to stop the drug for more than a week before drinking alcohol. Drugs should be used correctly under the guidance of a doctor, so as not to cause discomfort or delay the condition.