What happens when you drink milk and have diarrhea?

Drinking milk on diarrhea, may be caused by lactase deficiency in the patient's body. The lack of lactase in the body will cause the macromolecules in the milk can not be decomposed into lactose, the patient's stomach can not absorb, most of which will cause the patient to show symptoms of drinking milk always diarrhea. The lack of lactase in the body is generally related to the imbalance of the intestinal flora of the body. Patients can take some probiotics orally under the guidance of their doctor to adjust the balance of the body's intestinal flora and relieve symptoms.