Milk drinking too much diarrhea may be caused by drinking milk on an empty stomach, lactose intolerance, according to the cause of symptomatic treatment. Common causes and treatments 1, drinking milk on an empty stomach: milk contains a lot of fat and protein, which can easily stimulate the secretion of gastric acid and damage the gastric mucosa. It is recommended to drink milk with rolls, steamed buns, bread, etc. to relieve diarrhea; 2, lactose intolerance: many Asians lack lactase in their bodies, so it is difficult to digest the lactose in milk, resulting in diarrhea. Lactose intolerant people can take lactase preparations or probiotics containing Lactobacillus at the same time when drinking milk to help digest lactose. Precautions should be taken to drink milk in moderation and to drink less or no cold milk. Avoid taking medications and milk at the same time because certain drug components and the proteins in milk may react chemically, producing products that may not only not achieve therapeutic effects, but even toxic damage.