After taking drugs, it is generally recommended to drink milk after an interval of 2 hours. This is because if the interval between the consumption of the two is too short, it may not only affect the efficacy of the drug, but even cause adverse effects on health. First of all, milk is a beverage rich in milk protein, which will form a covering film on the surface mucosa of the stomach wall after entering the stomach tissue, thus affecting the dissolution reaction of the drug in the stomach and reducing the absorption and utilization of the drug components in the intestinal tract. Secondly, milk and aluminum, zinc, magnesium and other preparations taken together can easily lead to a chemical reaction between metal ions and milk proteins, generating non-water-soluble substances and increasing the risk of stone disease in patients. In addition, milk, when taken with some antibiotics, can reduce the active ingredients of the drug, thus affecting the therapeutic effect of the drug on the disease. It is recommended to take the drug with warm water and avoid taking it with juice, milk, tea and other beverages to avoid adverse effects.