Clinically, it is not recommended to take cold medicine after drinking alcohol, and if you must take cold medicine, you need to drink alcohol after 48 hours before you can take cold medicine, and adverse reactions between alcohol and cold medicine can easily occur. Generally, the adverse reaction between alcohol and cold medicine will lead to symptoms such as rapid heartbeat, shortness of breath, discomfort, and even breathing difficulties, shock and even death. Therefore, after drinking alcohol, you must be careful not to blindly take related drugs, not only cold medicine, but also antibiotics or other related drugs for chronic diseases, including drugs for lowering blood pressure, drugs for lowering blood sugar and other related drugs. Because alcohol can affect the body’s metabolism as well as the metabolism of the liver, and the metabolism of drugs is also through the liver, when the two are applied together may increase the burden on the liver and even lead to serious liver disease. Therefore, it is best not to drink alcohol while taking medication, and to wait until the alcohol is completely metabolized in the body before taking medication after drinking.