Levocetirizine hydrochloride is a chemical drug, the main component of which is a receptor antagonist. If you drink alcohol after taking the drug, the alcohol will conflict with the ingredients in the drug, which will affect the effect of the drug and greatly reduce the treatment of the disease. Levocetirizine hydrochloride tablets, after decomposition and digestion, will produce toxic substances that will be metabolized by the liver. The metabolism of alcohol is mainly carried out in the liver. Drinking alcohol after taking the drug will increase the burden on the liver, which will lead to impaired liver function and induce liver disease in the long run. If you want to drink alcohol after taking medications such as levocetirizine hydrochloride tablets, it is best to take an interval of about 1 week. The ingredients of the drug have been metabolized by the body, which can prevent the reaction between the drug and alcohol, while reducing the burden on the liver.